This might be a useful tool if you’re getting started with Arduino.

Arduino Companion is an app for designed to help anyone getting into Arduino and electronics. The app contains the full Arduino Reference for offline use, as well as a handy resistor calculator.

Version 1.1 adds the two most requested features, but feel free to suggest any features you feel is missing or would like added.

And, the app is free.

Arduinos on eBay

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