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IC 555 Calculator




555 Calculator
This IC 555 calculator evaluates the internal working of a standard 555 timer chip in both of its popular configurations monostable and astable modes. You may enter the desired component values for the indicated R1, R2, and C across the spaces provided, then click on "Calculate"
.

R:
C:
T Output High (Seconds) =

R1:
R2:
C:
T1 Output High (Seconds) =
T2 Output Low (Seconds) =
T Total Period (Seconds) =
Frequency (Hz) =
Duty (%High) =




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

Comments

  1. what kind of capacitor you used in the project...polarized or non polar...

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    Replies
    1. good day sir...what if i want t1 output in 5400 seconds and t2 also 5400 seconds...
      can you please give me the right combination of R1, R2 and the capacitor sir....
      thank you very much sir....

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    2. Louie, you will have to find it yourself by trial and error by inputting random figures in the slots and optimizing the most suitable ones.

      initially take 100uF for C

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    3. This comment has been removed by the author.

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    4. thank you sir but i cant really solved it....thank you...

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    5. R1 = 56K
      R2 = 3.6 meg
      C = 2200uF

      It is better to use a 4060 IC

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    6. thanks a lot sir....more power..

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    7. is it ok sir if i use R1=1k R2=3.6m C=2200 so that T1 is almost the same with T2....

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  2. I i want to alternate it every 30 second . i dont know what need to do . sir please help me

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  3. Great site.. Great guy. Thanks so much..

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  4. Swagatam thanks for openly sharing your work (and passion). It's ginormously helpful. I'd love a general update occasionally on what ur up to.

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    Replies
    1. Thanks so much Dusty Roads, the pleasure is all mine...surely I'll keep this site updated with new concepts, and I hope you will subscribe to this site for getting notified regarding the new updates...

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