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. Control your home appliances with this clap operated switch, without getting out of your bed. All you need is to just clap or you can puff in front of the microphone and after that, the device.
The authors used a sound activated switch to turn on the bulb by clapping the hand. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. It is known as clap switch because the condenser mic. Pdf design of a clap activated switch researchgate. Abstract clap switch is a switch which can switch onoff any electrical. This circuit uses 2 ic one is 555 timer and second is 74ls93. Clap switch is a basic electronics miniproject, made with the help of the basic components. Clap operated switch circuit sound operated switch. Design and construction of clap activated switch international. This instructable not only gives the reader the information needed to create a clapclap onclap clap off switching circuit, but the logic used to make a hardwareonly clapon, clap off circuit. This is a project on clap switch which can switch onoff any electrical circuit by the sound of the clap. A sound activated switch is a device that utilizes sound to control appliances. Two transistors cross connected as a bistable multivibrator change state at each signal.
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. Design of a clap activated switch leonardo journal of sciences. 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. How to make a clapclap on clapclap off switch circuit hi all. How to make a clapclap on clapclap off switch circuit. Regarding your second question, i have already given the schematic on the same page, see below the clap switch page, there is another schematic with the name, clap switch glowing 220v bulb. It will give you visual indication of the appliances also like it is on or off. This paper presents the design of a clap activated switch device that will serve well in different phonocontrolled applications, providing inexpensive. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. We will use two basic clap switch circuit diagrams i. Before you make a circuit glowing 220v bulb, learn about relay, otherwise, it can be dangerous.
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