Ni -Cd Batteries Charger
The NiCd charger takes approximately 12-15 hours of charge at 50mA (For AA-batteries).
Circuit diagram
 
Parts
D1-4 = 1N4001
IC1 = 7808 (voltage regulator)
C1 = 1000uF/16V
C2 = 1uF/63V
IL1-4 = 6V/0,05A BULB
BH1-4 = AA BATTERY-HOLDER
F1 = 20mA FUSE + HOLDER
T1 = TRANSFORMER (10V/0,25A)
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