A decade counter ic serves the bistable function instead of flipflop, special transistor and edge triggering network for low audio frequency. 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. The second time that a clap is detected the led will be switched off. I have used this circuit for my class year10 in the past and it was very beneficial to explain the function of components and somewhat the circuit.
Although the clap switch is a generally simple electronics circuit with mostly digital components, it may involve some pcb layout challenges. These tips may help you reduce any potential problems. Use custom search function to get better results from our thousands of pages use for compulsory search eg. If you are a beginner electronics learner, and love to do new project experiment then this is a great circuit for you. It also takes into considerations the illiterates that may. The following video shows the arduino clap switch project being operated. By default the output of this circuit will be low 0. Two transistors cross connected as a bistable multivibrator change state at each signal. Description of clap switch circuit the circuit presented here clap switch consists of silicon transistor and is divided in three main section i.
When you clap once, the relay is activated and the light or any load is turned on. Clap switch circuit using 555 and 4017 in the first circuit, i will control a single relay using clap switch. Working principle of clap switch circuit when we produce some sound near condenser mic, this sound will be converted into electrical energy. Pcb layout tips for a clap switch circuit pcb design. As the name indicates, the step switch selector circuit is intended to choose one of up to four.
Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. This is able to be achieved because it has a microphone. 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. It switches onoff a white led or electrical appliances through claps. Along with some of the other components, this circuit is mainly based on the two ics i. It shows this using 3 leds andor the serial monitor.
Pdf a circuited switch, which operates with sound of clapping hands or something similar. A clap on clap off switch is an interesting concept that could be used in home automation. This is a project on clap switch which can switch onoff any electrical circuit by the sound of the clap. Design and construction of clap activated switch ijett. The cisco srwmp 8port gigabit switch figure 1 is fully managed and brings gigabit speeds to your users while adding a whole new level of. Clap on clap off switch circuit diagram using 555 timer ic. Strictly necessary cookies, functionality cookies, performance cookies and advertising cookies.
Clap switch a mini project report submitted in the partial fulfillment of degree of bachelor of technology. We will use two basic clap switch circuit diagrams i. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor. Nov 25, 2014 how to make a clap switch with audio gaurav yash jain ayj. One of these transistors drives a heavier transistor which controls a lamp. These signals are then given to the transistor t1 base which in return trigger the ic1 pin2. How to make a clapclap on clapclap off switch circuit.
Pdf design of a clap activated switch researchgate. The output will goes to high 1 for a certain time and it will come back to the low state. Olokede, seyi stephen 45 communication flow when need be. How to make a clap switch with audio gaurav yash jain ayj. Dec 31, 2012 abstract clap switch is a switch which can switch onoff any electrical circuit by thesound of the clap. Apr 02, 2020 office manuals and free pdf instructions. Yes, the famous hitech toy clapper from the 1980s is back in the form of this intelligent iphone app. Although its name is clap switch, but it can be turned on by any sound of about same pitch of clap sound. This paper presents the design of a clap activated switch device that will serve well in different phonocontrolled applications, providing. The time for which the output stays high can be controlled by a suitable rc values. It produces a small electrical signal which is amplified by the succeeding transistor stage. This site uses cookies to deliver our services and provide a basic level of website functionality. Find the office and computer equipment manual you need at manualsonline.
To turn onoff any appliance, you just have to clap twice. Clap switch circuit for devices circuit working and applications. Book file pdf easily for everyone and every device. 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. Clap switch investigatory project free download as powerpoint presentation. 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. May 05, 2018 a clap switch is an interesting hobby circuit that turns on the lights with a clap sound. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound.
The circuit changes its output state only when you clap twice within a certain time period of 3 seconds. This is the circuit of a very sensitive clap switch. The clap sound is sensed by the condenser microphone, and it is amplified by t1. It is known as clap switch because the condenser mic. This video will show you how to make a clap switch in easy steps. It switches on and off electrical appliances with a sound of clapping hands.
At the time when some one slap in front of the mic the sound signal is converted into the electrical signal by the condenser microphone. Clap activated switch cas is a simple type of control system that requires a clap to control e. How to make clap switch diy project using 555 timer ic. 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. Linksys ezxs55w v2, ezxs88w v2, ezxs16w switch user manual. This is a simple clap switch circuit diagram project. How to make a clapclap on clapclap off switch circuit hi all.
In the first circuit, i will control a single relay using clap switch. This is an easy and fun project for beginners and kids. Pdf clap switch a mini project report submitted in the. 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. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound.
A clap switch is an interesting hobby circuit that turns on the lights with a clap sound. Clap your hands once to turn the led flash on, clap again to turn it off. Clap switch arduino project for beginners and kids youtube. Uses a photo resistor to determine whether a room is bright, average or dark. This circuit can switch on and off a light, a fan or a radio etc by the sound of a clap. Pdf this paper presents the design of a clap activated switch device that will serve well in different phonocontrolled applications.
The basic idea of clap switch is that the electric microphone picks up thesound of your claps, coughs, and the sound of that book knocked off the table. The main component of the circuit is the electric condenser mic. This circuit can onoff a 220v electronic device like fan, lamp by the sound of clap. Apr 06, 2016 the first time that the clap is detected by the arduino, an led will be switched on. 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.
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