Latest Version
1.5 Safe to install
1.5 Safe to install
This application provides a straightforward method for calculating resistor values when designing circuits that utilize the Timer IC 555.
Instructions for Use:
- Enter the frequency value.
- Enter the duty ratio.
- Input the value of C1.
- Tap the ‘Calculate’ button.
- The resistor values will be displayed on the screen.
Notes:
- It is recommended to set the duty ratio between 50% and 99%.
- If the duty ratio is set to 50%, the value of R1 will default to 0.
Overview
555 Calc is a Freeware software in the category System Utilities developed by Jibiki Works.
The latest version of 555 Calc is 1.5, released on 01/06/2025. It was initially added to our database on 01/06/2025.
555 Calc runs on the following operating systems: iOS.
Users of 555 Calc gave it a rating of 4 out of 5 stars.
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