555 Calc 4+

Jibiki Works

Designed for iPhone

    • 4.0 • 3 Ratings
    • Free

iPhone Screenshots


This App calculates registors value, when designing the circuit using Timer IC 555.

How to
(1) Input Frequency value.
(2) Input Duty Ratio.
(3) Input C1 Value.
(4) Touch ‘Calculate’ button.
(5) Registors value will be displayed.

* Set Duty Ratio to 50 ~ 99.
* If you set Duty Ratio to 50, R1 value will be set to 0.

What’s New

Version 1.5

* Add the calculate button.
* Add the duty ratio graph.
* Fix formulas.

Ratings and Reviews

4.0 out of 5
3 Ratings

3 Ratings

MC Hamster ,

Does its job

It is one thing and it does it really well.

App Privacy

The developer, Jibiki Works, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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