Timer IC 555 Calculator

Timer IC 555 Calculator

Peter Ho

Available on Google Play
4.5(2,388)
100,000+ installsFreeTools

Updated Jul 28, 2026 · v4.0.20

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Calculation of astable and monostable circuit

IC 555 is a basic timer IC for hobbyist or electronic engineers. This app is used to calculate monostable and astable circuit Features: 1. Calculate monostable circuit 2. Calculate frequency of astable circuit 3. Calculate component values of monostable and astable circuit. Save component values in CSV file (Excel file) Features in PRO version only: 1. Selectable preferred value of resistors and capacitors 2. Share CSV file to other apps 3. No limitation 4. No Ad Note : For those who need support please email to the designated email. Do NOT use either the feedback area to write questions, it is not appropriate and that is not guaranteed that can read them.

Released
December 26, 2013

12 years on Google Play

Version
4.0.20
Updated
Jul 28, 2026
Content Rating
Everyone
Installs
100,000+
Developer
Peter Ho
Website
N/A
Email
peterhohsy@gmail.com
In-app purchases
No

This app isn't currently appearing in any tracked top charts.

Rating breakdown

5
1,667
4
484
3
101
2
45
1
45