How I have increased the battery life of my Arduino project by 3000%
Yeah, I’m not kidding! What I’m about to tell you will increase the battery life of your Arduino project by 3000%, if you are using LEDs. I want…
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Tag: CR2032
How a CR2032 coin cell powers 30 LEDs for hours instead of minutes: the maths of Charlieplexing and PWM, step by step.