TUTORIAL: DIY 18650 Lithium Ion Cell Battery Capacity Checker Tester (Part 19 - Add RGB LED!)

510 views · Published 8 April 2018 · 16:09 · Indexed 25 September 2026

Channel: Antony Cartwright (Electronics & Code) · 2018 · Howto & Style

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How to make your own 18650 (or any lithium/li-ion) cell/battery capacity checker/tester. In this series, I design a really simple circuit and talk you through it. I walk you through every single step in both the electronics and code.

In this video, I add in an RGB LED and code it. 

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