Drive a motor through sound by using 555 timer. The motor is sound activated. dc motors are used in various applications such as RC car, robots, etc.
List of components used:
- IC1: LM555
- T1: BC547B
- D1,D2: 1N4007
- LED1: 5mm Red
- R1: 10K ¼ w
- R2: 1M ¼ w
- R3: 150K ¼ w
- R4: 1K ¼ w
- R5: 100K ¼ w
- R6: 220Ω ¼ w
- C1,C2,C4: 100nF/50V Ceramic
- C3: 47µF/16V Electrolytic
- C5: 100µF/16V Electrolytic
- RL1: 5V/SPDT RELAY
- M1: 5V ROBO MOTOR (motor taken for this project is 6v dc motor having 75 rpm)
- S1: ON/OFF SPST SWITCH
- C.MIC: Electric Condensor Microphone
CIRCUIT DIAGRAM
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