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Showing posts from December, 2017

Candle lights using IC - 4017

Candle lights circuit diagram:- Required Components:- diode-1N4007 (5) glue sticks 12v adapter IC – CD4017 IC – 555 180R ohm Resistor (5) 10k  Resistor (1) Capacitor (100uF) (2)  Transistor (BC547) Variable Resistor (10k)

3x3x3 LED cube using 555 timer

Circuit Diagram :-  Components:- ·          1KΩ resisters--(2) ·          27 blue LEDs ·          555 Timer IC ·          10K Pot ·          1000uF Capacitor ·          9v battery ·          10Ω resisters—1W Video:-