Low Battery LED Trough Hole Board

by Helder.
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2 layer board of 1.00x0.69 inches (25.40x17.48 mm).
Shared on July 29th, 2016 07:58.

LED Turns on once battery is below set value using the POT. uses 2 NPN 3904 Transsitors and 3 Resistors and a 6mm Pot all can be bought from Taydaelectronics.com

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