Aryan could not finish his project work in the class so he wants to carry the soft copy of the project to his house to finish it. Clap switch is a basic electronics mini project, made with the help of the basic components. With close position of switch sw1 this circuit works as clap switch. 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 remains in on state for certain interval of time due to the timer circuit. Pdf clap switch a mini project report submitted in the. By default the output of this circuit will be low 0. Clap switch circuit is a basic electronics project, made from the basic components such as ic 555 timer, bc547 transistors led resistors, capacitors etc. Free download download project report on transformer fire protection. Working principle of clap switch circuit is based on the above discussion.
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 until it gets trigger pulse from outer. It also takes into considerations the illiterates that may. Smart home automation system project source code and circuit. Clap switch project report pcb ckt diagram using trnsistor led only page link. The main objective of clap switch is that on and off of any electrical appliance by a sound of clap. The purpose of switch sw1 is to select between touch switch and clap switch. When clap the load is switch on and when again clapped then load is switch off. However, i wanted to ask is it possible for you to design code for the clap switch to response to two claps between two seconds and if there is only one clap then the process resets. Two transistors cross connected as a bistable multivibrator change state at each signal. Rapid 702570 rapid clap switch project kit build a switch circuit that responds to sharp sounds like clapping your hands, etc.
It switches on and off electrical appliances with a sound of clapping hands. This is a project on clap switch which can switch onoff any electrical circuit by the sound of the clap. This is the circuit of a very sensitive clap switch. This clap on clap off switch basically turns on or off the device, by using the clap sound.
In this chapter, the background, significance, objective limitation and problem of a clap switch were discussed. Ic 4017 circuits and projects for hobby electronist and school. This is another clap on off circuit diagram using 555 timer and 7474 ic. Uses a photo resistor to determine whether a room is bright, average or dark. Clap switch circuit for devices circuit working and.
Clap switch is a basic electronics miniproject, made with the help of the basic components. How to make clap switch diy project using 555 timer ic. This circuit uses a timer ic ne555 ic 2 and audio amplifier ic tba810 ic 1. Aims and objective of a clap switch ask for details. To turn onoff any appliance, you just have to clap twice. The circuit changes its output state only when you clap twice within the set time period. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. Using these circuits, you can control electrical appliances by simple clapping. In this clap switch, circuit clap is acting as a pulse for the flipflop circuit. It shows this using 3 leds andor the serial monitor.
While you can certainly develop a clap switch without a microcontroller, it gives us more flexibility to adjust parameters without changing hardware. We are going to use a mic and uno to sense the sound and trigger a response. Clap switch investigatory project free download as powerpoint presentation. We will use two basic clap switch circuit diagrams i.
How to make a clapclap on clapclap off switch circuit. Apr 28, 2017 in this project we are going to make clapper circuit using the concept of adc analog to digital conversion in arduino uno. The output will goes to high 1 for a certain time and it will come back to the low state. In this project thesis, the project is organized sequentially as follows. A clap switch is an interesting hobby circuit that turns on the lights with a clap sound. 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. Cholera in partial fulfillment for degree in extc, mumbai university during the year. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row.
May 05, 2018 a clap switch is an interesting hobby circuit that turns on the lights with a clap sound. The basic idea of clap switch is that the electric microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. Customer care not replying i am karan singh rathore my order is not shipped till now, my order number is uwmdshsgw date 11 march 2020. Sensitive clap switch circuit d mohankumar 04242010. Physics projects for class 12 gurukul technical institute. Olokede, seyi stephen 45 communication flow when need be. Javascript is currently disabled in your browser, please turn it on to avoid loss of functionality.
Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. The time for which the output stays high can be controlled by a suitable rc values. Clap switch project report pcb ckt diagram using trnsistor led only posted by. Mar 11, 2017 this clap switch mini project is useful for operating electric equipment like fan, bulb, radio etc.
While there are numerous means of generating the latching function, the latching relay greatly simplifies the. Analysing efficiency and effectiveness of clap switch mechanism based on the ne 555 clap switch and arduino clap switch. Clap switch circuit for devices circuit working and applications. The circuit which is provided in this report is the most simple and economical circuit for a clap switch.
This is mini electronics project on clap switch, which is a switch which can switch onoff any electrical circuit by the sound of the clap. National diploma project report, federal polytechnic, electrical electronics engineering, offa. Clap activated switches are still a handy piece of kit. Clap switch a mini project report submitted in the partial fulfillment of degree of bachelor of technology by g. Clap switch circuit diagram using 555 and 74ls74 clap on.
For getting the sound of clap we will use a small microphone in this mini project as shown in clap switch circuit diagram below. We have previously built clap switch and clap on clap off switch, using 555 timer ic. It produces a small electrical signal which is amplified by the succeeding transistor stage. Cholera department of electronics and telecommunication 201112 type text page 1 certificate this is to certify that, the project entitled clap switch a bonified record of project work submitted by parth. This clap operated on off switch circuit is useful to on off any appliance.
Since it uses a simple condenser mike to produce the pulse. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor. Analysing efficiency and effectiveness of clap switch. Diy led switch inductor potentiometer power supply resistor smd cable 12v. The circuit presented here clap switch consists of silicon transistor and is divided in three main section i. The pulse of clap, which is a trigger for flipflop makes changes to the output state that is complementary reverse. Condenser mic basically converts sound energy into electrical energy. The clap sound sensed by condenser microphone is amplified by transistor t1. Whether you are going to work in mnc or going to work with usual private firms, it all depends here.
To ensure the good marks to students we always stands behind them with all practical and theoretical support on physics investigatory project. The clapoperated circuit is a circuit which operates by. Pdf analysing efficiency and effectiveness of clap switch. After a long experiment here we design and verified a simple clap switch circuit. It uses an electret microphone as a transducer for converting a clapping sound into an electrical signal. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound. Given the everfalling cost of the micros, its quite cost effective to use one even for simple projects like this one. This clap on clap off switch basically turns on or off the device, by using the clap sound, as switch. Mini project reportsound operated switch using 555 timer ic.
Description of clap switch circuit the circuit presented here clap switch consists of silicon transistor and is divided in three main section i. This circuit can switch on and off light a fan or a radio etc. Tba810 is a 7watt audio amplifier ic which is used to amplify the audio signal coupled from audio transformer x 1. The only unusual component is the single coil latching relay. Audio trigger stage is build around microphone and transistor t 1. Clap switch a mini project report submitted in the partial fulfillment of degree of bachelor of technology. In this project we are going to make clapper circuit using the concept of adc analog to digital conversion in arduino uno. Introduction it is known as clap switch, because the condenser mic which will be used in this project will have an ability to take the sound having same pitch as the clap sound as the input. Houses are becoming smarter and developed these days with the help of automation devices. Pdf design and implement clap switch with light researchgate. When the power supply of 9volt is applied with switch sw 1 closed, the relay rl 1 operates. Pdf in this paper the electronic circuit which is activated or turn on by the external sound is like claps or any other.
The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. 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. It is known as clap switch because the condenser mic. Now, we are going to deal another circuit named clap switch circuit for devices. This is a simple clap switch circuit diagram project. I will present two circuits for clap switches, both of these circuits will be based on 555 ic and 4017 ic. Given the everfalling cost of the micros, its quite cost effective to. Aug 30, 2018 now, we are going to deal another circuit named clap switch circuit for devices. It is known as clap switch, because the condenser mic which. The output state of the switching device circuit can only change, when the circuit receives two claps within a time period that will be determined by the rc. Clap switch circuit electronic project using 555 timer. Although its name is clap switch, but it can be turned on by any sound of the approximately same. This circuit can onoff a 220v electronic device like fan, lamp by the sound of clap.