TUTORIAL: DIY 18650 Lithium Ion Cell Battery Capacity Checker Tester (Part 18 - Add Pro Mini!!)
607 views · Published 1 April 2018 · 15:33 · Indexed 6 November 2026
Channel: Antony Cartwright (Electronics & Code) · 2018 · Howto & Style
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. This video shows me swapping the transistors for a MOSFET, also I swap the Nano for Pro Mini, also I add a buzzer.
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