This paper presents the design of a clap activated switch device that will serve well in different phonocontrolled applications, providing inexpensive. Before you make a circuit glowing 220v bulb, learn about relay, otherwise, it can be dangerous. Control your home appliances with this clap operated switch, without getting out of your bed. It produces a small electrical signal which is amplified by the succeeding transistor stage. Two transistors cross connected as a bistable multivibrator change state at each signal. Design and construction of clap activated switch international.
Pdf design of a clap activated switch researchgate. This clap operated switch system works on detecting of sound of claps. It is known as clap switch because the condenser mic. Clap operated switch circuit sound operated switch.
Olokede, seyi stephen 49 circuit is expected to respond to two claps only when it is received within three seconds to energize a relay which will make connection with an external circuit. It will give you visual indication of the appliances also like it is on or off. Electret mic, sound, switch, microcontroller, adc, relay driver. You can switch onoff up to four different electrical equipment tv, fan, light, etc in 16 different ways. We will use two basic clap switch circuit diagrams i. You can operate 4 appliances using this single soundclap operated circuit. You just have to clap in the vicinity of the microphone used in this circuit, which you can keep by the bedside. A sound activated switch is a device that utilizes sound to control appliances. Clap switch is a basic electronics miniproject, made with the help of the basic components. This is a project on clap switch which can switch onoff any electrical circuit by the sound of the clap.
The authors used a sound activated switch to turn on the bulb by clapping the hand. Clap activated switch device will serve well in different phono. This circuit uses 2 ic one is 555 timer and second is 74ls93. This paper presents the design of a clap activated switch device that will serve well in different phonocontrolled applications, providing inexpensive key and at the same time flee from false. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. How to make a clapclap on clapclap off switch circuit hi all. Abstract clap switch is a switch which can switch onoff any electrical. All you need is to just clap or you can puff in front of the microphone and after that, the device.
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