In this video I will show you how to build a simple lithium battery protection circuit, so you can power your homemade projects without ever worrying about over discharging your battery.
Circuit diagrams:
How to use lithium batteries safely:
More info on battery measurements:
Items you'll need:
Alarm circuit:
Relay: DSP1a-L2-DC5V
(select one of the distributors - price is around $5)
Music by Kevin McLeod and Löhstana David
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