tool box settings_input_antenna for developing IOT

As a first tool one can now calculate the estimated battery life for your next diy electronics project. This can be used for Raspberry Pis, Arduinos, ESP8266 Wifi modules like Wemos, Huzzahs, Feathers and so on.

This website is open to contributions.

Contact me and/or contribute to the codebase on GitHub!


Protective Resistor Calculator


Battery Life Calculator


Voltage Divider Calculator

This project will be gradually improved.

- 18.09.2017 code is on GitHub

- 27.06.2016 added a basic version of a protective resistor calculator

- 03.06.2016 unit switching is now support for some fields (marked with a "*")

- 03.06.2016 added voltage divider calculator