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6 Useful DC Cellphone Chargers Explained - Full Circuit Diagram withWorking Description

In this article we learn how to build DC to DC cell phone charger circuits using 6 unique concepts. The first concept concept uses the IC 7805, the second concept works with a single BJT, the third idea uses a IC M2575, in the fourth method we try LM338 IC, the 5th circuit shows how to charge multiple mobiles from a single source while the last or the 6th technique shows us how to use PWM for implementing an effective charging of a mobile phone.

Warning: Although the concepts are all tested and technically correct, the author does not take any responsibility of the results, please do it at your own risk.

Introduction


A simple DC cell phone charger circuit is one of those mates of cell phone that cannot be ignored because a cell phone would be dead without a charger.

Normally a DC cell phone charger circuit come as an integral part of a cell phone package and we use it in conjunction with our AC mains supply.

But what happens if your cell phone gasps for power in the middle of a journey, probably when you are driving or biking away on a middle of a highway?

How it Functions


A very simple yet reasonably effective DC to DC cell phone charger circuit is discussed in this article, which can be easily built at home even by a layman.

Though the proposed charger circuit won't charge your cell phone at the rate equal to a normal AC to DC charger, nevertheless it will complete the function without fail and won't betray you for sure.

The proposed DC cellphone charger circuit can be understood with the following points:

We all know the general specs of a cell phone battery, it's around 3.7 volts and 800 mAH.

It means the cell phone would require at around 4.5 volts for initiating the charging process.

However a Li-Ion battery which is employed inside cell phones are pretty sensitive to bad voltages and may just blow off causing serious life and property issues.

Keeping this in mind the cell phone internal circuitry is specifically dimensioned very strictly.

The parameters just won't permit any voltage which may be even slightly out of the range of the battery specifications.

The use of the versatile IC 7805 in the circuit answers the above issue just perfectly, such that the charging voltage at its output becomes ideally suitable for charging the cell phone battery.

A high wattage resistor connected at the output of the IC makes sure that the current to the cell phone stays well within the specified range, though this might have not been a problem anyway, the cell phone would just refuse to charge if the resistor was not included.

1) Circuit Diagram of the DC cellphone charger

IC 7805 cell phone charger circuit

Pictorial Diagram

You can use this DC cellphone charger circuit for charging you cell phone during emergencies when there's no mains AC outlets, the circuit may be powered from any 12 volt lead acid battery or similar DC power source
Parts List
R1 = 5 Ohm, 2 Watt,
C1, C2 = 10uF/ 25V,
D1 = 1N4007,
IC1 = 7805, mounted on a heatsink,
Battery, any 12 volt automobile battery

smartphone charger circuit from 6V battery

2) DC Cell phone Charger using a Single Transistor


The next design explains a DC cell phone charger using a single BJT is probably the simplest in its forms and may be built very cheaply and used for charging any standard cell phone from a DC 12 volts external source.

Simulation and Working


The circuit diagram illustrates a rather straightforward design incorporating very few components for implementing the proposed cell phone charging actions.

Here the main active part is an ordinary power transistor which has been configured with another active part, the zenet diode for forming a nice little DC to DC cell phone charger circuit.

The resistor is the only passive component other than the above couple of active parts which has been associated in the circuit.

So just three component is to be used and a full fledged cell phone charger circuit is ready within minutes.

The resistor acts as the biasing component for the transistor and also acts as the "starter" for the transistor.

The zener has been included to inhibit the transistor from conducting more than the specified voltage determined by the zener voltage.

Though, a cell phone ideally requires just 4 volts for initiating the charging process, here the zener voltage and subsequently the output voltage has been fixed at 9V, because the current releasing ability of this circuit is not very efficient and assumably the power should be dropping to the required 4v level once the cell phone is connected at the output.

However the current may be decreased or increased by suitably increasing or decreasing the value of the resistor respectively.

If the cell phone "refuses" to get charged, the resistor value nay be increased a bit or a different higher value may be tried for making the cell phone respond positively.

Kindly note that the circuit was designed by me based on assumptions only and the circuit has not been tested or confirmed practically.

Circuit Diagram

charging cellphone with a single transistor based charger circuit 5V

3) Using  1-A Simple Step-Down Switching Voltage Regulator


If you are not satisfied with a linear regulator charger, then you can opt for this 1 A simple step-down switching voltage regulator based DC cell phone charger circuit which works with a switched buck converter principle which enables circuit to charge a cell phone with great efficiency.

How it Works


In one of my previous posts we learned about the versatile voltage regulator IC LM2575 from TEXAS INSTRUMENTS.

As can be seen, the diagram hardly utilizes any external components for making the circuit functional.

A couple of capacitors a schottky diode and an inductor of all that is needed to make this DC to DC cell phone charger circuit.

The output generates an accurate 5 volts which becomes very much suitable for charging a cell phone.

The input voltage has a wide range, right from 7V to 60V, any level ma be applied which results the required  5 volts at the output.

The inductor is introduced specifically for obtaining a pulsed output at around 52 kHz.

Half of the energy from the inductor is used back for charging the cell phone ensuring that the IC remains switched only for half the charging cycle period.

This keeps the IC cool and keeps it effectively in working even without using a heatsink.

This ensures power saving as well as efficient functioning of the entire unit for the intended application.

The input may be derived from any DC source like an automobile battery.

Courtesy and Original Circuit: ti.com/lit/ds/symlink/lm2575.pdf



4) DC Double Cellphone Charger


A recent request from one of my followers Mr. Raja Gilse (via email), prompted me to design a DC double cellphone charger circuit that is able to facilitate charging of many cell phones simultaneously, let's learn how to make the circuit.

I have already explained regarding a couple of DC to DC cellphone charging circuits, however all these are designed for charging a single cell phone. For charging more than one cell phone from an external DC source like an automobile battery, requires an elaborate circuit.

Technical Specifications


Dear sir. Please tell me that what alterations should i do, to charge two mobiles at a time from your "12V BATTERY OPERATED CELL PHONE CHARGER CIRCUIT".(from bright hub) I am using the circuit from last 8 months, it's fine. Please post that article in your new blog also.

Dear sir, i tried so many time to post this comment in your blog in the "simple dc to dc cell phone charger circuit" but in vain. Please answer here~ Sir, i used another 10 ohm 2 watt resistor in parallel with the existing one, as i don’t have the higher watt resistor. It’s working fine. Thank you very much, i have one doubt, earlier, in bright hub in the same article you told to use 10 ohm resistor, but here it is 5 ohm which is suitable ?

I have another question out of this article; please guide me could I use three 1N4007 silicon diode instead of one 1N5408 silicon diode? My aim is to allow 3A current in only one direction. But i don’t have diode of 3A i.e. 1N5408. As 1N4007 is of 1 amps capacity could use three 1N4007 in parallel and like wise for 5A five 1N4007 in parallel, because i have number of 1N4007

rajagilse

Solving the Circuit Request


Hi Rajagilse,Use the following DC double cellphone charger circuit given below:

double cellphone charger circuit

Hi Raja,

As you increase the limiting resistor value, the charging becomes slower, therefore a 5 Ohm resistor would charge the cell phone faster than a 10 Ohm, and so on. I'll check the problem with the commenting in my blog...however other comments are coming normally as usual! Let's see. Thanks and Regards.

Parts List

R1 = 0.1 Ohms 2 watt,

R2 = 2 Ohms 2 Watt

R3 = 3 Ohms 1 watt

C1 = 100uF/25V

C2 = 0.1 discT1 = BD140 D1 = 1N5408

IC1 = 7805


PCB Design


The circuit of the double DC cell phone charger was successfully tried and built by Mr. Ajay Dussa over a home designed PCB, the following images of the PCB layout and the prototype were sent by Mr. Ajay.


PCB design for DC to DC cellphone charger


practical prototype for Double DC cellphone charger


track side of PCB for cellphone DC to DC charger

5) LM338 Based Cell Phone Charger Circuit

The following circuit can be used for charging as many as 5 cell phones at a time. The circuit employs the versatile IC LM338 for producing the required power. The input is selected to be a 6V but can be as high as 24V. A single cell phone can also be charged from this circuit.
The circuit was requested by Mr. Ram.

charging 5 cellphones together from a single circuit

Multiple Cellphone Charger Circuit using IC 7805


Any desired number of cellphones can be charged by using IC 7805 in parallel as shown the following figure. Since the ICs are all mounted on the same heatsink the heat among them is uniformly shared ensuring a uniform charging across all the connected multiple cellphone devices.

Here 5 ICs are used for charging by medium sized cellphones, more number of ICs could added to accommodate more number of cellphones in the charging array.

upgrading current by connecting 7805 ICs in parallel

6) Using PWM For Charging Cellphone Battery


This circuit can be easily made at home by any school kid and used for displaying in his science fair exhibition. The circuit is a simple cell phone charger that may be operated in conjunction with any DC source, from a car or a motorcycle battery or from any ordinary 12 V AC DC adapter.

Nowadays we find most of the vehicles have their in built cell phone battery charger units which surely becomes very handy for travelers who mostly remain outdoors travelling in their vehicle.

The proposed cell phone charger circuit is as good as the conventional chargers which come fitted inside the cars and bikes.

Moreover the circuit can be simply integrated to ones own vehicle if the feature is not originally available in the vehicle.

Alternatively one may think of manufacturing the present unit and selling them in the market as an automobile cell phone charger and earn some hard bucks.

Simulation and Working


Cell phones as we all know are highly sophisticated gadgets by nature and when it comes to charging cell phones the parameters no doubt also needs to be of very high standards.

The AC/DC cell phone chargers which come with the cell phones are all SMPS based and are extremely good with their outputs and that’s why the cell phone gets so efficiently charged by them.

However if we try to make our own version, it may fail altogether and the cell phones may just not respond to the current and display a “not charging” on the screen.

Cell phone battery cannot just be charged by supplying DC 4 volts, unless the current is optimally dimensioned the charging won’t initiate.

PWM vs Linear


Using voltage regulator IC for making a DC to DC charger, which I have discussed in one of my earlier article is a good approach, but the IC tends to become too hot while charging the cell phone battery and therefore requires adequate heatsinking for remaining cool and operative.

This makes the unit a bit bulkier and moreover some significant amount of power is wasted in the form of heat, so the design cannot be considered very efficient.

The present PWM controlled DC to DC cell phone charger circuit is outstanding in its respect because, the involvement of PWM pulses helps to keep the output very suitable to the cell phone circuitry and also the concept involves no heating of the output device, making the entire circuit truly efficient.

Looking at the circuit we find that again the work horse IC 555 comes to our rescue and performs the important function of generating the required PWM pulses.

The input to the circuit is supplied through some standard DC source, ideally from an automobile battery.

The voltage powers the IC which instantly starts generating the PWM pulses and feeds it to the components connected at its output pin #3.

At the output the power transistor is used for switching the DC voltage at its collector directly to the cell phone.

However only the average DC voltage is finally fed to the cell phone due to the presence of the 10uF capacitor, which effectively filters the pulsating current and provides a stable, standard 4 volts to the cell phone.

After the circuit is built, the given pot will need to be optimized perfectly so that a well dimensioned voltage is produced at the output which may be ideally suited for charging the cell phone.

Circuit Diagram

PWM based DC to DC cellphone charger circuit




Need Help? Please leave a comment, I'll get back soon with a reply!




Comments

  1. diode is placed only for safeguarding the circuit from accidental reverse input connection. You can remove it but be sure you connect the input polarity correctly then.

    ReplyDelete
  2. thanks sir
    sir can you tell me how much time required for charging a mobile???
    & sir i have project about bicycle dynamo. sir if you don't mind can you send me an easy diagram to make bicycle dynamo/bicycle generator??

    ReplyDelete
  3. 2 to 3 hours will be required.

    you can connect the dynamo output to the above circuit via a bridge rectifier stage and start charging the cell phone as explained above.

    ReplyDelete
  4. it help me alot.THANKS SIR...
    sir app bta skte ha k ak battery ktne dair run kr skti haa??

    ReplyDelete
  5. i mentioned it in the previous comment, 2 to 3 hours.

    ReplyDelete
  6. sir can i connect this circuit with motorbike battery and car battery??
    if yes ,so will there any problem of input & outout current because automobile battery's current is very high??
    i know voltage is not a problem.. what about current.
    THANKS FOR YOUR ALL PREVIOUS HELP SIR.....

    ReplyDelete
  7. As long as the input voltage is within 24V, current will not mater, so you can use it freely with your motorcycle battery also.

    ReplyDelete
  8. sir please tell me if you have any knowledge about any softwere about circuit designing in which bicycle dynamo ,d.c motor or other mechanical equipments present????

    ReplyDelete
  9. No, sorry I don't have any such software.

    ReplyDelete
  10. you can use the same circuit which is shown above.

    ReplyDelete
  11. Hello Omar, just replace the 7805 with a LM123 and it will become suitable for the required application.

    ReplyDelete
  12. sir,this condition ok...the 12v continuously going at 7805 and step down to 3v...normally example you take mobile charger,u have charging mobile, charging and the battery is full....and automatically disconnect the charger....

    in this project,only charging the battery not getting the charge is full condition automatically disconnect condition..how to get automatically disconnect after the batter full..plz give me the circuit and information.........

    ReplyDelete
  13. Dear Sir ,

    I would to know , can I use this circuit to power up mobile phone without battery attached.

    Thanks in advance.

    ReplyDelete
  14. Dear Sir ,
    Can i use your diagram to power up my cell phone without attached the battery to the phone?

    Thanks

    ReplyDelete
  15. mobile chargers do not have auto shut off feature, rather cell phones have auto cut off feature in-built, therefore it's safe because the cell phone in-built circuit would cut off as soon as its battery gets fully charged.

    ReplyDelete
  16. Nope! the circuit will require an input source, otherwise it won't work

    ReplyDelete
  17. If it's 4V then it would charge your cell phone when hooked directly, anything less than 4V would make the charging inefficient and sluggish.

    You are welcome!

    ReplyDelete
  18. No changes would be required, use the same circuit for 6V input.

    ReplyDelete
  19. can i use mobile charger to start motor?
    motor = 0/6.0 v
    charger = output - DC 6.0 v

    ReplyDelete
  20. can i use mobile charger to start motor?
    motor = 0/6.0 v
    charger = output - DC 6.0 v

    ReplyDelete
  21. HELLO SIR..
    SIR MJHE UNI PROJECT K LIA AK CIRCUIT CHAHEA JISME 2 IC lm714 US HO..SIR PLEASE KOE HOMEMADE PJOJECT KA LINK SEND KR DIJEA..
    I WILL BE THANKFUL TO YOUU................

    ReplyDelete
  22. Hello Abdul,

    You can try the first circuit given in this link:

    https://homemade-circuits.com/2011/12/how-to-build-electronic-spy-bug-circuit.html

    ReplyDelete
  23. ....sorry, the above circuit uses a single 741, try the following one, replace the LM324 opamps with two IC741:

    https://homemade-circuits.com/2012/04/make-this-simple-motion-detectorsensor.html

    ReplyDelete
  24. thanks sir.
    but I m student of 3rd semester. this schemetic is little bit complex
    for me.so sir please send me an easy schematic. so I can make it .
    thank u sir for helping me a lot... ...

    ReplyDelete
  25. Hi Abdul,

    I don't have any simpler circuit than this at the moment, I'll try to find it and tell you soon.

    ReplyDelete
  26. will depend on the AH rating of the battery and the phone.

    ReplyDelete
  27. Ravinder Kumar from Indigenous Home made Tech is here -Dear sir i used u r given circuit (with C1,C2= 10uF/25V )BUT by using diode and resistance does not work ,so i have removed diode and resistance now its charge but not 100% it charges the cell phone only to 70% by using 6volt 4.5Ah Battery ,
    Request you please suggest to increase charging efficiency limit to 100% .

    ReplyDelete
  28. HELLO SIR........
    SIR APNE JO SEND KIA THA LINK ME WOHE BNA RHA HUU..
    MENE APKE BLOGES ME RELAY CONNECTION PARHA . KCH SMJH AYA SIRF YH BTA DE AP K JO RELAY KI 5 PINS HA WO KHA KHA CONNECT HA???
    N/C & N/O KHA CONNECTED HA:COIL TERMNALS KHA CONNECTED HA??
    AUR JO PICTURE ME 12 VOLT K UPAR BLUE LINE HA WO KHA CONNECT HORAE HA.
    SIR I HAVE ONLY 3 DAYS TO MAKE IT .
    THANKSS.....

    ReplyDelete
  29. I am sorry the above circuit cannot be upgraded any further. You can use an LM338 design and adjust the voltage to suit the cell phone needs. You may refer to the first circuit in this link:

    https://homemade-circuits.com/2012/04/ic-lm338-application-circuits-explained.html

    ReplyDelete
  30. The square box named 'relay" is the coil of the relay, among the contacts the upper circle is the N/C and the lower circle is the N/O, the central link is the moving pole of the relay.

    ReplyDelete
  31. THANKS SIR.. YOU CLEARED MY CONCEPTS.
    BS MJHE YH BTADE N N/O, N/C & MOVING POLE OF THE RELEY CIRCUIT ME KHA CONNECTED HAIN????AK TO YH RELAY ME CONNECTED HA LEKIN YH CIRCUIT ME KHA CONNECTED HA YH NAE PTA CHAL RAHA..

    ReplyDelete
  32. N/O, N/C and the pole are not connected to the circuit, they are connected to the load or an alarm via AC mains, there's no connection with the circuit.

    If you are using a DC alarm then you may connect it with the circuit 12v supply.

    ReplyDelete
  33. ok sirr
    sir jo 12 volt dc alarm ha iska koe link send krde. mjhe zehan me idea nae arha..
    project bhht acha lga ha mjhe iSlia yhe bnana cha hu.complex ha but i will try my level best.
    aur relay ki 3 wire jo alarm se connect HA uska be lnk btade
    THANKS SIR.......

    ReplyDelete
  34. hello sir!!!!
    can u please tell me what is the function of capacitors in the above circuit ???

    ReplyDelete
  35. sir mjhe dc alarm ka idea nae ho rha. plz send me link about dc alarm. aur is circuit me sensor knsi chez ha jaha se motion indicat hogi aur alarm on hoga

    ReplyDelete
  36. don't make the aarm, buy it from the market, you can use a car musical horn or a 12v musical door bell.

    relay connection:

    pole to 12V(+), N/O to alarm (+) wire and (-) of alarm to circuit ground or supply negative.

    ReplyDelete
  37. Hello Danish,

    It's there for filtering noise and voltage spikes.

    ReplyDelete
  38. THANKS SIR..
    sir yh jo diagram me A1 HA ISKI Pin 1 to led k sth aur pin aur pin 2 potentiometer k sth ha but confusing pont is k pin 1 & pin 2 k bech me se ak point upar 12 volt aur resister k sth node bna rha ha. yh ks pin se nkal k upar ja rha ha.aur sirf A1 KI 3 PIN CONNECTED ha bki kia ground krni ha???
    and same question for A2 .usme be pin 5 & 7 connected ha aur bech mese ak wire jake grounded ha.yh knsi wire ha???

    ReplyDelete
  39. SIR IS THERE ANY WAY TO CONNECT WITH YOU & YOUR KNOWLEDGE DIRECTLY????
    BECAUSE SOMETIMES I WANT QUICK ANSWERS AND FROM BLOGS, I HAVE TO WAIT 1 DAY. KINDLY TELL ME ANOTHER WAY SO THAT I CONNECT WITH YOU DIRECTLY ..
    THAKNS SIR..

    ReplyDelete
  40. It's the supply pins of IC324....positive line goes to pin4 and the ground pin goes to pin11.

    I am sorry you can contact only through this blog.

    ReplyDelete
  41. SIR.........
    datasheetoo.com/datasheet-application/automotive/electronic-siren-circuit-diagram-using-741-op-amp-ic.html
    THIS IS ELECTRONIC SIREN . SIR I WANT TO ASK THAT SPEAKER IS PRESENT THERE,WHERE I CONNECTED INPUT SOUND SO SPEAKER CAN AMPLIFY???
    THANKSS SIR FOR HELPING ME A LOT...

    ReplyDelete
  42. I did not understand your question, what are you trying to make?

    ReplyDelete
  43. Sir please tell me connection of relay with dc alarm . I am using dc alarm for output.
    Secondly, if I want to check the circuit that it is working or not without an alarm, how I check it???
    Actually mjhe teacher ko check krwana ha without alarm.

    ReplyDelete
  44. relay connection:

    pole to 12V(+), N/O to alarm (+) wire and (-) of alarm to circuit ground or supply negative.

    The red leds will be shut off after setting up, and when a motion is detected across any of the LDRs the relevant red LED will light up indicating a motion.

    ReplyDelete
  45. This means sir that N/0 does not use in this circuit.??
    And pole se phir 12 volt p connect krna ha?? I can't understand. Please send any diagram from which I understand.
    THANKS....

    ReplyDelete
  46. pls read the connections again, N/O is connected to (+) of alarm circuit, N/C is blank, not connected anywhere.

    (-) of alarm circuit is connected to supply negative

    relay pole is connected to supply positive

    ReplyDelete
  47. I UNDERSTAN SIR..
    SIR IN MY CIRCUIT,ONLY ONE LDR IS WORKING ,WHEN I DISCONNECT ONE LDR,OTHER LDR WORK AND OTHER PROBLEN IS THAT IT WORKS IN OPPOSITE FORM MEANS WHEN IT DETECTS ANY MOTION,LED OFF OTHERWISW IT ON ALL THE TIME.
    AND SIR TELL ME HOW I SET P1 & P2???
    THANKSS....

    ReplyDelete
  48. you may have connected the pinouts wrongly, i have tested this circuit it works superbly.
    when correctly set both LEDs will switch off completely and illuminate only when a shadow is detected across any of the LDRs.
    I have explained the set up procedures in the article.

    ReplyDelete
  49. sir kindly tell me the connection of potentiometer?? like it's first leg is connected to 10k resister ,i m confused about second & third pin connection.tell me the connections for both , P1 AND P2.
    THANKS FOR HELPING ME ALOT..

    ReplyDelete
  50. use the center pin and any one of the other pins, that's all...
    center pin is compulsory, the other one can be any of the remaining two.

    I have made some changes in the diagram, please do it in your circuit also, it will give better results, and pls comment on motion sensor article, not on this page.

    ReplyDelete
  51. hello sir
    sir mujhy 12v bike ki battery sy mujhy 15v out chahey or internet device chalane hai
    or woh bhe atomatic yane k lite jae to auto battery per ajae plz plz plz plz plz sir help me............plz plzp plz.

    ReplyDelete
  52. hello faizan,

    make this circuit first for 12v to 15v conversion:

    https://homemade-circuits.com/2012/09/led-emergency-light-circuit-using-boost.html

    then i'll tell you what to do next.

    ReplyDelete
  53. Heloo Dear sir
    I like your response and advise and bless you!!
    My question is is it good to use 5v,1w solar panel for the above circuit application with out 7805??What about 6v ,1w solar panel with 7805????

    ReplyDelete
  54. Hello Alealu

    Thanks!

    with a 5V solar panel you don't have to use any IC at the output, you can connect your cell phone directly with the panel via a 5 OHM/ 1 watt resistor....it will start charging.

    ReplyDelete
  55. Thank you,and what about the fluctuation of the sun,it cant affect the battery?
    bic the output from the sun is not constant,

    ReplyDelete
  56. when you say it's a 5V panel it signifies the peak value at peak sunshine, so technically it cannot exceed this level.

    But anyway you can use the above circuit in conjunction with it for better safety.

    ReplyDelete
  57. sir meray pas12v 2.5amp dc bttry hy or mujay 9v aor 1amp output ke zarurat hay,,,,plz Circuit Diagram share krday,,,,,

    ReplyDelete
  58. You can use a 7809 IC at the output, it will give you a 9V/1amp output from your 12V battery.

    The connections will be same as in the above 7805 design

    ReplyDelete
  59. I mean, even if it is 5v peak this voltage do not exceed 5v but may goth below 5V ,so the voltage may be 5,4,3,2.....v depending up on sunshine,As a resale,is such low voltage is safe for mobile battery life????

    Thank you

    ReplyDelete
  60. The cell phone will stop charging once the voltage reaches below 4V.

    Lower voltages will not harm the cell phone.

    ReplyDelete
  61. good day sir... i did loved your blog.. bcoz its very usefull here in our place this time becauze we have no electricity... so i did make your circuit but i got an error in my cellphone.., bad contact of charger... i did use 2 10uf, and 5ohms 2 watt.. pls help.. thnx..

    ReplyDelete
  62. thanks charles, try 10 ohms in place of 5 ohms or some higher value and check the result

    ReplyDelete
  63. tnx sir... i'll try as soon as i can buy 10 ohms or higher...
    -----
    sir, i have here a 9v dc solar panel.. i only get around 5.5v-8v dc (not stable) if its not so sunny... can i still use this circuit?

    ReplyDelete
  64. yes, you can safely use the above circuit with your solar panel.

    ReplyDelete
  65. Hello sir.
    Sir I want some help from your side. Sir I have project regarding computers logic design. Topic is:
    DESIGN AND IMPLEMENT A CIRCUIT THAT COULD GLOW A LED WHEN 3 OF THE AVAILABLE 7 TANKS NEED A REFILL.
    Sir I want circuits or if u have idea, so tell me.
    THANKS SIR.........

    ReplyDelete
  66. Hello Abdul,

    You will have to provide me with full details regarding the application need, only then I would be able to come up with something suitable

    ReplyDelete
  67. sir using different gates,i have to make circuit . there are 7 tanks available,when 3 0f them are empty so led which is connected at output is glow. A combination of gates is using here.what logic is using sir??

    ReplyDelete
  68. Helol Abdul,

    Where will these tanks be used, what kind of liquid will be used in these tanks?

    ReplyDelete
  69. hello sir,
    sir what if I remove the diode,capacitors and the resistor in the circuit and just connect the wires directly to its places connected to the IC? Will it still work?

    ReplyDelete
  70. hello kazuto, the resistor is compulsory, the capacitors can be removed, and it will still work provided the input is a pure DC

    ReplyDelete
  71. Sir,
    Plz tell me how to control 24watt energy sever for remote control.

    ReplyDelete
  72. hello sir can i use 4.7 ohm resistance at output side instead of 5 ohm
    and can this circuit charge my android phone also
    plzz ur rply is very important for me

    ReplyDelete
  73. yes 4.7 ohms will do.
    It will charge your android phone also, the 4.7 ohm may need to be reduced for making the charging a little quicker.

    ReplyDelete
  74. Hi Sir..

    Your blog gives a lot of knowledge about charger circuit... thanks for this ideas as will as the circuit you shared to us... i would like to make a 48 v 1+ amp supply, can i use the above circuit with IC??? or what should be the value of R=?,C=? and the IC number=? ... thanks a lot Sir.... God Blesses you always...

    ReplyDelete
  75. Thanks Marque,

    48v cannot be achieved using fixed voltage regulator ICs, you will have to make a transistor regulator circuit as given in the following post:

    https://homemade-circuits.com/2012/01/how-to-make-versatile-variable-voltage.html

    ReplyDelete
  76. Sir normally mobile phone charger have lot of components so mobile battery life is well.but in this circuit have simple few components how to trust this and what about mobile battery life after charged this circuit?plz ans me sir.

    ReplyDelete
  77. Jacob, the above circuit also has many many components all hidden or embedded inside the 7805 IC, so it's also sophisticated and absolutely safe, moreover your cell phone has a built-in overcharge cut-off protection so there's no danger of the battery getting over charged.

    ReplyDelete
  78. Hi sir. Im thinking about using piezoelectric sensor to be used as the input supply for the mobile charger. Do you think it is possible?

    ReplyDelete
  79. Hi Yoshin,

    you would require a 1000 piezos in series/parallel and a lot of sound pressure to create a valid charging voltage for the cell phone.

    ReplyDelete
  80. Oh i see..sir i also would like to ask you about hardware implementation for speed control of DC drive by mobile phone. The mobile key in the amount of duty cycle and send the signal to the chopper, connected to the dc motor. Speed changes by duty cycle. Do you have any idea on how to make the circuit since no software is needed. I mean how we key in the amount of duty cycle in the mobile phone? Thanks..

    ReplyDelete
  81. sorry, I do not have any easy idea for this, it could possibly be done through DTMF but will consume phone balance.

    ReplyDelete
  82. Hello sir, i am utkarsh . Sir, i am try to make cell phone charger by lm 7805 resiser diode and the capacitor . All the components are same as you mention except capacitor(it is 63v 1micro f) .
    But sir i have a proble my phone shows charging but it take more than 10 hours to charge and then i replace all componet then charge it by only ic but i did not get any gain. I also try to vary resistor value but no effect . Please help me soon to make charging fast and also the above circuit could not able to charge nokia 1600 and 2626 ... Thank you sir... Please reply soon at my mail (rudresht2@gmail.com) thankyou...

    ReplyDelete
  83. Hello Utkarsha,

    what is the input current that you have used? It should be minimum 1amp rated.

    If you want an smps version you may try the following design, it will charge all your phone battery quickly:

    https://homemade-circuits.com/2014/02/220v-smps-cell-phone-charger-circuit.html

    ReplyDelete
  84. Hi sir,

    Above mobile charging ckt is working fine but charging time taking more with battery 12V/7Ah I mean its not charging normally using charger as my Samsung Mobile charger specs out put is 12V/0.7A so kindly suggest me how to reduce long charging time.
    From Siddhalingesh

    ReplyDelete
  85. Hi Siddu,

    the above circuit will not charge your phone quickly, if we try to increase current the phone may refuse to take the charge.....however you can try decreasing the 5ohm resistor to 3 ohm or 2 ohm and check the difference.

    ReplyDelete
  86. dear sir
    can i use (100uF and 220uF) 25volt capacitors on above circuit and IC ctc13651?
    it will work properly ?

    ReplyDelete
  87. dear Dev, such big value caps are not required for the above 7805 circuit, you can use smaller caps, I am not sure about ctc13651 circuit because i have not seen it

    ReplyDelete
  88. Hello Sir,
    I made that charger and its working but theres slow charging rate for Samsung mobiles, it takes many hours. can i fix it by modifying the circuit? and i want to put an LED indicator light in that circuit, where do i fix it?
    THANX!

    ReplyDelete
  89. Hello Dev, try reducing the 5 ohm resistor to 2 ohm and check the response....for getting an LED indication connect a LED with a series 1 k resistor across the 2 ohm or the 5 ohm resistor

    ReplyDelete
  90. Hi sir
    i made this circuit. but when i am connecting diode IT DOESN'T WORK. BUT WHEN I DISCONNECT DIODE IT'S WORK. KINDLY SIR PLEASE TELL ME IS THERE ANY PROBLEM IF I NOT CONNECT DIODE IN THIS CIRCUIT?

    ReplyDelete
  91. Hi Muhammad,

    the diode is not crucial you can simply remove it and connect the battery directly with the 7805

    ReplyDelete
  92. Hi Swagatam!
    I did it but i am facing one more problem. it is outputting 4.5v dc i need 5vdc proper voltage for charging my android phone. and run my usb portable speaker i removed resistor . but it's not working. by this circuit my phone is charging just 4% in hour. it is too slow,

    ReplyDelete
  93. Hi Muhammad,

    a 7805 will give 5V precisely, your IC could be duplicate, check it.

    For fast charging you may need to build a PWM charger as shown here:

    https://homemade-circuits.com/2013/03/how-to-convert-12v-dc-to-220v-ac-using.html

    just modify the coil for generating 6 to 10V instead of the proposed 220V in the diagram.

    ReplyDelete
  94. helllo sir, i am using a 18650 battery hat i have extracted from my laptop cell. NOw please provide me a circuit that can provide an ouput of 5v 2amp, while im giving an input of 4.1 volts.

    ReplyDelete
  95. hello Vivekanand,

    it's not possible to get 2amp current from a 18650 battery.

    ReplyDelete
  96. But, I have purchased a power bank recently and when i opened it apart i have found the same battery lying inside the power bank. The output of the power bank is 2 amps.

    ReplyDelete
  97. 2amp may be OK at 3.7V but not at 5V, anyway you can try the following circuit:

    https://homemade-circuits.com/2014/11/boost-charger-circuit-for-super.html

    use 5.1V zener for Z1.

    ReplyDelete
  98. can i use solar panel as a 12v supply for this circuit...tnx for the answe..

    ReplyDelete
  99. Good Day Sir,
    I follow the circuit that you given sir, but i use other value of components sir. D1= 1n4007, C1= 100uF/16v, R1= (Brown, Block, Brown, Gold= 10 x 1= 10 ohms [5%]), C2= 100uF/25v. Is it ok sir?

    ReplyDelete
  100. Good day raymond,

    the 10 ohm resistor should be rated at 2 watt, rest are all OK.

    ReplyDelete
  101. Sir can u plz tell us how u chose the specs of parameters. And help us to know the purpose of each and every components used in the circuit plz. And finally Shall we use 50v capacitors instead of 25 V capacitors? Thank u.

    ReplyDelete
  102. Ahmad, since a cell phone normally requires around 4.5 to 5V as the charging input therefore I selected 7805 IC for regulating the input to 5V. The capacitors are just for filtering any residual noise in the DC and are not so crucial, the limiting resistor acts like a buffer so that the all types of cell phones become compatible to the output from the charger, and the current gets adjusted accordingly through the resistor.

    ReplyDelete
  103. ...50V capacitors will also do...

    ReplyDelete
  104. Sir wat is polar and non polar. Plz

    ReplyDelete
  105. Thank u very much sir. I thought this post was outdated so u may not reply. Happy to see ur reply. And does the value of output current differs wen we use differently rated batteries. If it so then different current values don't affect th mobile phone battery?

    ReplyDelete
  106. You are welcome Ahamad,.....nothing is outdated in my site, everything's LIVE and updated regularly with my expertise.

    output current does not matter because the voltage is constant, so you can use any mobile with this circuit which uses 3.7V cell, it will start charging immediately....but bigger cellphones will take much longer time to get charged than smaller phones

    ReplyDelete
  107. capacitors that are marked with (+) or (-) sign for their leads are polarized and ones that are without this are non-polarized....for example all ceramic capacitors are non-polar while all electrolytic caps are polar, unless specified

    ReplyDelete
  108. SIR
    WHAT WILL HAPPEN WHEN THE PHONE IS FULLY CHARGED....
    DOEST IT STOP CHARGING
    ( IS OVERCHARGE PROTECTION FEATURE THERE IN MOBILE PHONES)

    ReplyDelete
  109. Sudhee, yes all cell phones have an in-built highly accurate over charge cut off circuitry, so there's never a danger of an over charge to the connected cell phone even if it remains permanently connected with a switched ON charger......

    ReplyDelete
  110. Hi sir,i am surya can i increase the watts of the R1 to10w it will work or damage the cellphone

    ReplyDelete
  111. Hi Suriya, yes you can do it, it will not affect the cellphone or the charging of the cellphone

    ReplyDelete
  112. sir my model is shoe mobile charger can i use the circuit of battery opperated mobile charger in my model

    ReplyDelete
  113. Ajay, can you provide more details about the shoe charger, regarding its concept and voltage?

    if the output from it is above 5V in that case you can employ the above shown circuits.

    ReplyDelete
  114. Hi.. sir I have Samsung Galaxy duos Gt I9082
    Battery 3.8V Li-ion
    2100mAh

    can i charge it in my motorcycle battery using the above Circuit?

    thanks in advanced.

    ReplyDelete
  115. Hi Jhud, you can do it, but use two 7805 ICs in parallel for getting a better current gain and quicker charging rate. Make sure that both the ICs are mounted on a common heatsink. also reduce R1 to 3 ohms/5 watts

    ReplyDelete
  116. ...also add one 1N5408 diode in series with the output positive line, this will cut down the output to 4.3V approx...making it perfectly suitable for charging the 3.7V Li-ion cell.
    However please remember that the circuit does not include an over charge protector so make sure to monitor it manually and remove it as soon as it gets fully charged.

    ReplyDelete
  117. hello sir.. i have a samsung galaxy duos gt i9082 the battery is 3.8V Li-ion, 2100mAh

    can i charge it in my motorcycle using the above circuit?

    ReplyDelete
  118. Hi Jhud, you can do it, but use two 7805 ICs in parallel for getting a better current gain and quicker charging rate. Make sure that both the ICs are mounted on a common heatsink. also reduce R1 to 3 ohms/5 watts

    ReplyDelete
  119. Dear sir can I use old cellphone batteries as a cellphone power bank if yes then how plz give a simple circuit

    ReplyDelete
  120. Hi sir, Using 6V battery to charge mobile battery can I use as a 7805 as a 5v regulator...?

    ReplyDelete
  121. Hi Ravin, with a 6V input, a 7805 can be avoided....just use two 1N5408 diodes in series with the positive...that will do the job.

    but if you prefer a 7805 you can try it as a 5V regulator.

    ReplyDelete
  122. Sir in communication unit is their any chance to damage if short circuit happens..?
    And is their any protection circuit...and it dint switched ON.

    ReplyDelete
  123. Hi sir this is Ravin Kumar.
    what we have discussed about 7805, I was used 7805 as a Voltage regulator for mobile battery charger using 6V battery.
    what is the problem I was facing is mobile in display showing charging symbol and connect sound ....!
    But its charging % indication looks like decreasing condition...
    I dont know what is the problem in that....!

    ReplyDelete
  124. I am getting 5 volts out put clearly (Input 6V battery) but mobile indication showing like decreasing slowly...is it possible to decreasing...?

    ReplyDelete
  125. after connecting the mobile should indicate "charging"...if this not happening that means your mobile is not accepting the input charge.

    ReplyDelete
  126. what is a communication unit, are you referring to a cellphone? with a 7805 IC there cannot be any danger...

    ReplyDelete
  127. Hi Ravin, when you connect the charging input to your mobile it should immediately acknowledge by showing the "charging" indication....the battery symbol should start showing a sequencing response....if this not happening then you can be sure that your mobile is not accepting the charge input.

    do not use the mobile while it's being charged,, otherwise the charging level will start decreasing.

    ReplyDelete
  128. sir ,Is it possible to build a circuit to charge a laptop using 6v solar panel,
    if yes plz provide the link

    ReplyDelete
  129. hello sir
    can u provide me a circuit to charge a laptop using 6v solar panel,

    ReplyDelete
  130. Nitin, you can try the following design:

    https://homemade-circuits.com/2014/11/12v-car-laptop-charger-circuit-using.html

    you can use 6V panel as the input but make sure it's rated at 3 amps minimum

    ReplyDelete
  131. Dear sir can I use old cellphone batteries as a cellphone power bank if yes then how plz give a simple circuit

    ReplyDelete
  132. hello jyotiba,

    you can try the following circuit:

    https://homemade-circuits.com/2014/11/12v-car-laptop-charger-circuit-using.html

    here you can use 6V as the input

    ReplyDelete
  133. Rehan, no that's not recommended because old batteries may have different voltage and health conditions so they cannot be put in parallel for implementing the power bank.

    ReplyDelete
  134. sir mene ye circuit 12v 7amp dry battery me connect kiya but it does not work,,
    just charging hoti rehti hy jese hi pin remove karo cell se to charging wohi ki wohi hoti hy:(
    will u help me?????

    ReplyDelete
  135. this will not charge your mobile quickly, it might take 3 to 4 hours,

    reduce R1 to 2 ohms and check whether it helps or not...

    ReplyDelete
  136. Dear sir
    i wanna made a dc mob battery charger but , my mob display show battery power,decreaseing
    plz send your views,
    or contact no,
    my self DHARMENDRA KUMAR ,I ALSO WANNA BE ELECTROLOGIST,
    PLZ GIVE YOUR CONTACT NO , OR SEND AT erdharmendra30@gmail.com

    ReplyDelete
  137. Dear dharmendra, reduce the value of the resistor to 2 ohm and check

    ReplyDelete
  138. Hello sir,
    If we will used this ckt for long time then it will occur damage in the mobile battery and mobile components. Waiting for your answer sir ,thank you sir

    ReplyDelete
  139. Hello sir,
    My question is if we will used this ckt for long periods then it will occur damage in the mobile battery and mobile components pls give me the answer , thank you sir

    ReplyDelete
  140. Hello Jignesh,

    No, there will not be any problem even if you connect the charger permanently with the cell phone because the cell phone internally has an over charge protector...which will instantly cut off the current as soon as the battery gets fully charged...however it's always a good practice to disconnect the charger through a visual monitoring....

    ReplyDelete
  141. Sir in the diagram you show C1 and C2=1uF But in parts list you write 10uF.which is right.You also write 5 ohm =1 watt but in parts list you write 2 watt pllzz guide me which is right..

    ReplyDelete
  142. Salman, C1, C2 values are not critical, you may use any capacitor in that place, the resistor could be 1 watt.... but 2 watt will provide even better cooling...so it's up to you to choose

    ReplyDelete
  143. Can this circuit charge a phone with a 3000mAH battery?
    My phone's charger outputs 5V , 2.1A . Though this will output max current till 1.5A and the charging will be a tad slower.

    ReplyDelete
  144. If you are having a 5V charger then I don't think the above circuit would be required...you can use the 5V charger directly to charge the cellphone.

    ReplyDelete
  145. about cell phone charger

    Dear sir. Please tell me what alterations should i do, to charge two mobiles at a time from this circuit.Could i give the parallel connection with the existing mobile charging pin. As ic 7805 is capable of giving 1A out put. Please let me know

    ReplyDelete
  146. hi swagatam,
    thanks for all ur valuable comments.
    as u said cell phone will accept 5V only but how its possible may if we gave >5Volts also accepting because i have seen practically example motorola cell phone battery buldge or bad condition if you use long period using with compatible charger ERD charger. if i use original charger branded one then battery become good condition this thing i have observed long time by comparing both things so can u clarify me why my cell battery become buldge or bad what are reason ?

    ReplyDelete
  147. Hi Siddu,

    all cell phones have internal overcharge protection and sophisticated voltage regulator circuitry, so what you are saying can NEVER happen unless you have used a duplicate battery inside the phone.....so the problem may be not in the charger but the battery used in the phone....or may be the cellphone itself could be a duplicate MOTOROLA, not an original motorola. 5V input is well handled by any cellphone, and if at all it anticipates a incompatibility the phone will simply stop charging.

    ReplyDelete
  148. you can try the first circuit from here:

    https://homemade-circuits.com/2012/05/dc-to-dc-double-cell-phone-charger.html

    ReplyDelete
  149. sir . i have 4 1.2 v ,1800amh battery, i want to make a power bank.I make it,but it charge only my nokia,samsung(old verson phone).it can not charge my redmi2 phone. redmi2 input voltage is 5v 1A. how can i make it.please help mw to solve it out.

    ReplyDelete
  150. Sobhan, try the bigger batteries instead of the AAA type...and check the response.

    ReplyDelete
  151. HI sir can i use this circuit on my 3.8v 1500mah battery?

    ReplyDelete
  152. yes you can, just reduce the resistor values from the shown 5 ohm to 1 ohm

    ReplyDelete
  153. Sir my mobile battery is a 5000mah. what adjustment should I do on your diagram to charge my battery more faster. Im using a 5volts with 1amp dc power.

    ReplyDelete
  154. emman, you can try connecting a transistor current booster with the IC 7805, and replace the 5ohm resistor with a 0.5 ohm resistor.

    you can refer to the first diagram from the following article to learn how the transistor and the associated resistors need to be configured:

    https://homemade-circuits.com/2012/05/dc-to-dc-double-cell-phone-charger.html

    ReplyDelete
  155. Sir I have made this circuit.my out put voltage is 5.20.but my cell phone charges only 2% or 3%.then it stays connected(charging) but percentage of charging not increases...like it shows very very slow charging.what is the problem and how I can solve this

    ReplyDelete
  156. Umair, try lower value resistor for the 5 ohm and check the response, initially you can try 3 ohms and see how it works.

    ReplyDelete
  157. Sir I have made this circuit...Output voltages are 5.45V..charging speed is so high,10% in just about 10 minutes...but when disconnected..same case that discharging was so high...then steady at the same where from I start charging...

    ReplyDelete
  158. Umair, you must keep it connected until the cell phone indicates "battery full", if you remove it in the middle then it could drop quickly.

    ReplyDelete
  159. Ok..but sorry...this circuit just charge few percent(5-10%) very fast in first time connection..then stops and keep stops for many hours until I remove connection...no exceeding further...I check the voltages in USB port..these are good in between 475-520...but charging not increase.i have changed many input 12V batteries...what will be the problem...?

    ReplyDelete
  160. you can try the following circuit:

    https://homemade-circuits.com/2012/01/how-to-build-simple-pwm-controlled-dc.html

    but the pot will need to be adjusted very carefully for initiating the charging process...I have tested this circuit and this could charge a small cellphone within an hour

    ReplyDelete
  161. what will happen if i use 7809 instead of 7805

    ReplyDelete
  162. Sir...I will make the circuit mentioned by u in near future...One thing I want to ask...can i use 9V,3w solar panel as input source....?

    ReplyDelete
  163. you mean to say without 7805? It can be done by suitably increasing the 5 ohm resistor

    ReplyDelete
  164. I mean ....can I use 9v,3w solar panel as input in this circuit?..I m using this..but output voltages are exact 4.50volts and ampereges are 1.70A...my cell phone charges few percent only..then stops charging but connection keeps there(charging)...

    ReplyDelete
  165. without load the output from a 7805 should be around 4.9 to 5.1V with a 9V input....if it's showing 4.5V then the IC could be duplicate or bad in quality.

    and make sure the IC is not hot while charging the phone...use a large heatsink to avoid this

    ReplyDelete
  166. Hi
    Can I use 4pcs 1.2v 2000mah rechargeable batteries in series to charge the cell phone battery directly, if yes then how the rechargeable batteries to be charged

    ReplyDelete
  167. Hi, please refer to the following article for more:

    https://homemade-circuits.com/2012/11/homemade-cell-phone-emergency-charger.html

    ReplyDelete
  168. Sir my battery is decreasing ... Why ? ... It supposed to be charged bur it isn't . :(

    ReplyDelete
  169. Sir I want to make a mobile phone charger using transformer, bridge retifiers and capacitors as well as zener diode restriction is that there is no use of IC can u plz help me in finding the circuit and components I shall be very thanksful to you ..

    ReplyDelete
  170. Muhammad, you can do it by using 0-3V/500mA or a 0-4.5V/500mA transformer and rectifying its output with bridge/capacitor network. A zener diode will not be required for this, but make sure to add a current limiting resistor such as a 2ohm or 3 ohm 1 watt resistor.otherwise the cellphone might just refuse to accept the supply

    ReplyDelete
  171. you will have to experiment with the resistor to get the right current....or calculate it using Ohms law formula

    ReplyDelete
  172. Dear sir what is there d1 c1 c2. Etc tell me about this

    ReplyDelete
  173. This circuit work to possible high variation speed bike (45 kmph to 90 kmph)

    ReplyDelete
  174. Hi Jhud, you can use it with a 1 ohm 2 watt resistor instead of the shown 5 ohm....but still the the charging time could be much prolonged with this IC.

    ReplyDelete
  175. Dear sir
    im using below circuit but im not using 5ohm R im using 4.7ohm resistance but my mobile was silly charging but not changing charging levels its constant please help me sir whats problem in my circuit

    ReplyDelete
  176. Umair,you can use any value between 1 and 5 ohms which suits your mobile the best in terms of quick charging

    ReplyDelete
  177. Govinda, you can try reducing the value to 1 ohms and see if that helps

    ReplyDelete
  178. please specify the panel voltage??

    ReplyDelete
  179. Hi sir..hi do tho circuit..sOme mobiles can charge..my Lumia 720 couldn't get charged..how I modify the circuit?.. It's battery spec. is BP-4GW 20mah 3.7v 7.4WH Lithium polymer max 4.2

    ReplyDelete
  180. Hi Bibin, reduce the value of the 5 ohm resistor some lower value and check...

    ReplyDelete
  181. Hai sir,
    I made this circuit and my phone is charging, but its very slow and my phone battery is drawing around 250 mA.Is it working properly and what is the importance of 5ohm 1watt resistor. Also regulator ic is getting hot i am using a heat sink also i connected a cooler fan ( 12v) at the input pin of 7805. I am using an old 12v 7 AH battery. Plz guide me sir

    ReplyDelete
  182. Hi Sandeep,

    you can try reducing the 5 ohm to some lower value for increasing the current and improve the efficiency....this resistor acts like a buffer and limits the current to an acceptable level, otherwise the phone circuit might refuse to accept the charge....

    If you attach a large heatsink, then I don't think a fan cooling would be required.

    ReplyDelete
  183. sir,
    what was the out put Volts of that diagram sir?

    ReplyDelete
  184. It is safe, because all cell phones have in-built automatic full charge cut-off circuitry

    you can use the circuit with a car battery without issues

    ReplyDelete
  185. what is the use of GND in 1805?

    ReplyDelete
  186. hi firstly one if the best learning electronics sites ever, thank you sir for sharing your knowledge with us appreciated. Sir i was wondering can i use lm7806 to make a power bank for charging a cell phone, because when i check a cell phone's charger with a multimeter the DC voltage is 6volts and not 5volts, i am new to electronics so i don't want to cook my cell phone, so any help will be greatly appreciated. Thank you.

    ReplyDelete
  187. Hi Lima, even with 10V your cell-phone will not fry because it has an internal voltage control protection.

    however 5V is the correct recommended voltage for charging a cell phone. the 6V which you are seeing is due to the absence of load, as soon as you connect the cell phone, you will find it dropping significantly....so I would recommend you to use 5V and not 6V for the operations.

    ReplyDelete
  188. ...and thank you for liking my site

    ReplyDelete

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