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Auto Off Ni-Cad Battery Charger

 

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Parts List

R1,R3,R5-10k

R2-1.5 M

R4-180 OHMS

R6-82 OHMS/0.5W

R7-220 OHMS

C1-100 MFD,25V

C2-0.1 MFD

IC1-NE555

IC2-4020

T1-BC557

LED-ANY RED LED

D1,D2-1N4007

RELAY1-12V, 250 OHMS

POWER SUPPLY-12 V DC.

Auto off Ni-cad Battery