But this has absolutely nothing to do with how a clapoperated switch works. Clap activated switch cas is a simple type of control system that requires a clap to control e. Pdf design of a clap activated switch researchgate. When you clap once, the relay is activated and the light or any load is turned on. We are now selling the fully assembled and tested clap switch how to use the clap switch kit new tutorial this kit is not for kids or anyone who does not know about relays and does not have electrical circuit knowledge description. The clapoperated circuit is a circuit which operates by. 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.
It is known as clap switch because the condenser mic. Sound operated switch is one of the interesting applications of 555 timer ic. Clap operated remote control for fans electronics project. This is a project on clap switch which can switch onoff any electrical circuit by the sound of the clap. Control led by clap using arduino and sound sensor arduino. With this clap operated switch, you just have to clap in the vicinity of the microphone used in this circuit, which you can keep by the bedside. Usually, we use a clap switch to operate a lamp and it can easily do that for you. In the light operated switch circuit, replace ldr with the condensor microhone used in clap switch and adjust sensitivity with the vr1 10k resistor connected from the base of transistor q2 to ground.
We have described a sound operated switch circuit which will switch on the light by just listening your clap sound. Converts the sound signal into electrical energy basic idea on clap switch is basic idea on clap switch is that the electric. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. Lecturer, department of physics and electronics, adekunleajasin university, akungbaakoko, ondo state, nigeria abstract a sound activated switch is a device that utilizes sound to control appliances.
Clap operated switch is an electronic system or circuitry which operates by clapping from a remote point. Clap operated electronic switch detailed project available. This is able to be achieved because it has a microphone. When you will by the condenser mic, it will come without wires and you have to solder two wires for either polarity. An example of a sound activated switch is the one that works by mere clapping. Clap switch means clap switch is switch which can switch onoff any. Pdf clap switch a mini project report submitted in the. We will use two basic clap switch circuit diagrams i.
Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. Design and construction of clap activated switch ijett. It shows this using 3 leds andor the serial monitor. The kit responses to clap up to distance of 5 meters, but, the further you go, the louder the clap should be. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor. Transistor t1 is used as the preamplifier and the rest are used for driving the relays. This circuit uses 2 ic one is 555 timer and second is 74ls93. Clap switch circuit on breadboard sound triggered led. When you clap for the second time, the relay is deactivated and the light is turned off. Dec 18, 2010 in the light operated switch circuit, replace ldr with the condensor microhone used in clap switch and adjust sensitivity with the vr1 10k resistor connected from the base of transistor q2 to ground. A sound operated switch using counter ic you can use this circuit to operate a relay through the sound of claps.
In a flipflop circuit, at a time only one transistor conduct and other cutoff and when it gets a trigger pulse from outside source then first transistor is cutoff and 2nd transistor conducts, thus output of transistor is either logic0 or logic1 and it remains in one state 0 or 1. Tone frequency generated by clapping or voice control is not constant and designing of receiver circuit for a particular or ordinary clap or voice is very difficult. The motivating force behind this design is based on the desire to alleviate the problem faced by the aged and physically challenged persons in trying to control some household appliances. Very sensitive clap operated on off switch simple clap switch circuit diagram 220v using relay high sensitive clap operated switch circuit without microcontroller. Another advantage of this circuit is that you cannot get any electrical shock as we did not have to use any mechanical switch. Nov 22, 2011 introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap. Clap switch a mini project report submitted in the partial fulfillment of degree of bachelor of technology. Clap switch circuit for devices circuit working and applications. Uses a photo resistor to determine whether a room is bright, average or dark. Using this switch, you can turn on any appliance by clapping five times and turn it off by a single clap. Clap switch is a basic electronics miniproject, made with the help of the basic components.
Olokede, seyi stephen 45 communication flow when need be. The clap activated switching device can basically be described as a low frequency sound pulse activated switch that is free from false triggering. If a small voltage is applied to its input terminal, it activates an electromagnet and closes its contacts. Aug 06, 2014 clap operated switch is an electronic system or circuitry which operates by clapping from a remote point. The basic idea of clap switch is that the electricmicrophone picks up the sound of your claps, coughs, and thesound of that book knocked off the table. A tact switch is used to adjust the threshold level of the clap action that will be detected. It uses an electret microphone as a transducer for converting a clapping sound into an electrical signal. Aug 30, 2018 clap switch circuit using 555 and 4017. Dec 27, 2019 3 sound activated switch circuits explained last updated on december 27, 2019 by swagatam 65 comments the post details 3 simple sound activated relay switch circuits which can used as a module for any system that might be assigned to trigger by detecting some kind of sound pressure level. It is highly sensitive and can detect the sound of the clap from a distance of 12 meters.
Dec 27, 2017 a tutorial on how to make a clap switch circuit aka sound triggered led, along with detailed explanation on how the circuit works. It also takes into considerations the illiterates that may. The clapper can control one or two appliances at the same time. All you need is to just clap or you can puff in front of the microphone and after that, the device attached to the microphone becomes on or off. It will give you visual indication of the appliances also like it is on or off. Most sound operated switch use clap sound or voice to activate the remote control. The electrets microphone is used to provide the pulse to the 555 timer. It produces a small electrical signal which is amplified by the succeeding transistor stage. Clap operated switch circuit sound operated switch project. In the first circuit, i will control a single relay using clap switch. This is a project on clap sw itch which can switch onoff any electrical circuit by the sound of the clap.
You can operate 4 appliances using this single sound clap operated circuit. Here is the circuit of clap operated remote control fans is used to control not only switching properties but also control speed of fan. You can switch on and switch off the appliance at your room by. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. The clapoperated circuit is a circuit which operates by clapping from a remote point.
The entire circuit of sound operated light is designed and builds around an operational amplifier ic ic 1 and jk flipflop ic ic 2. Clap operated switch circuit sound operated switch. Jan 07, 2019 this fully assembled sound clap operated switch can be used for turning on your 100240v ac light bulbs. Design and construction of clap activated switch tomiwa a. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. Two transistors cross connected as a bistable multivibrator change state at each signal. Dec 21, 2015 actually, sensing any double clap is not enough for the desired clap operation. It switches on and off electrical appliances with a sound of clapping hands. The switch activates the appliance only if you apply the right clap code five claps here within the preset time 10 seconds. These contacts can then switch on larger amounts of current and voltage safely.
The sensitivity or range up to which the circuit detects claps. Clap operated switch circuit this circuit is built around timer ic 555 ic1, cmos ic 74ls93 ic2 and five bc547 npn transistors t1, t2, t3, t4 and t5. Clap switch circuit rookie electronics electronics. The interval between the two claps is also important. Pdf this paper presents the design of a clap activated switch device that will serve well in different phonocontrolled applications, providing. Or simply applications such as a voice activated alarm. The clapper, wireless sound activated onoff light switch.
With this sound activated switch, control by sound may be very useful, not just on a robot but also for a bit of home automation, for example a soundactivated. By buying this product you can collect up to 23 loyalty points. The circuit uses a 555 timer ic and transistor bc547 for its operation. Audio control switch clap onoff model gsk409 allied electronics. What are the advantages and disadvantages of clap switch. A tutorial on how to make a clap switch circuit aka sound triggered led, along with detailed explanation on how the circuit works. What are the advantages disadvantages and applications of. Figure 1 shows the block diagram of the sound activated switch. The major advantage of a clap switch is that you can turn something e. Usually, we use a clap switch to operate a lamp and it can. In this project, we have designed a simple application by which you can switch on or off a.
Dec 31, 2012 this working of this circuit isbased on amplifying nature of the transistor, switching nature of transistor, relay as anelectronic switch. Classified as a remote controlled circuit this product uses an audio signal clap on to activate the onoff function of the switch. I hope you understood, i want a one way clap switch circuit which only will trigger the load on one upon a single clap action and to switch off the load we will physically control the switch to off. Clap switch circuit is a basic electronics project, made from the basic components such as ic 555. Mini project reportsound operated switch using 555 timer ic. A timeout procedure is applied in the code and a clap is discarded if it is not followed by another clap in 500ms. This fully assembled sound clap operated switch can be used for switching your 100240v ac light bulb. How to make a clapclap on clapclap off switch circuit. Basic principle the basic principle of this clap switch circuit is that it converts sound signal intoelectrical energy. The main advantage of clap operated remote control for fan is, it can control up to tenstep speeds of fan where normally a fan has three to five step speeds. Check out other clap switch and sound operated circuit posted in. The authors used a sound activated switch to turn on the bulb by clapping the.