Simple Clap Switch Using IC CD4017
Introduction
A circuited switch, which operates with sound of clapping hands or something similar; i.e. the switch comes to 'on' position when clapped once or twice, and to off position when again clapped once or twice (depends on circuit design)
A clap -switch circuit is a sound sensitive circuit. .
The operation of the circuit is simple. Clap and the lamp turns on. Clap again and it turns off. The condenser microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. It produces a small electrical signal which is amplified by the succeeding.
This is the circuit of a very sensitive clap switch. The circuit can sense the sound of claps from a distance of 1-2 meters.
A clap -switch circuit is a sound sensitive circuit. .
The operation of the circuit is simple. Clap and the lamp turns on. Clap again and it turns off. The condenser microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. It produces a small electrical signal which is amplified by the succeeding.
This is the circuit of a very sensitive clap switch. The circuit can sense the sound of claps from a distance of 1-2 meters.
Circuit diagram
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| Simple clap switch using IC CD4017 |
Components required
• IC – CD4017 – 1no
• Transistor – BC547 – 3nos
• Diode – IN4007 – 1no
• Resistor – 47k – 1no
• Resistor – 680ohm – 2nos
• Resistor– 1k – 3nos
• Relay– 9v – 1no
• Condensor MIC – 1no
• Battery – 9v – 1no
• Transistor – BC547 – 3nos
• Diode – IN4007 – 1no
• Resistor – 47k – 1no
• Resistor – 680ohm – 2nos
• Resistor– 1k – 3nos
• Relay– 9v – 1no
• Condensor MIC – 1no
• Battery – 9v – 1no
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