Automatic Cut-Off Battery Charger Protection circuit ,Protect From Over Discharge,great idea for you
MATERIAL LIST AND PURCHASE LINKS
1 PC BC 547 - bit.ly/3pFyzwc
1 PIECE 1 K DRAIN - bit.ly/3j7U3zl
1 PIECE 9 V Zener - bit.ly/3oHYpOy
1 PIECE RELAY - bit.ly/3jlnApr
1 PIECE LED RED LED - bit.ly/3pBd4MV
1 PCS LED GREEN LED - bit.ly/2MHWbBE
1 Piece 10 K Trimpot - bit.ly/3jgHXUG
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