Do you know the main features and applications of this circuit. There is no need for the user to come closer to the electronic appliances anymore and physically switch them on. Ic1 is configured as an inverting amplifier, with its gain and hence the sensitivity of the circuit adjustable via trimpot vr1. This project concentrates in designing the hardware and the software of the switch circuit. Sep 09, 2015 9 way clap switch circuit description. Design of the clap setpoint potential divider the clap setpoint potential divider is the most important part of this project. This is simple clap switch circuit diagram using relay. Clap switch is a basic electronics miniproject, made with the help of the basic components. Led running lights circuit can also be called as knight rider circuit. This kind of switches mechanism were implemented with the different technology out of that we were analysed efficiency and effectiveness mechanism based on the ne 555 clap switch and arduino clap. It has a relay output that can be used to turn external devices onoff. For example it can be used to start a recorder only when an audio signal is received, switch on an amplifier on small audio signal etc. The circuit is working but in order to make it work i have to clap very hard as well as close to the condenser mic which makes it unsuitable to use for.
The claps are picked up by an electret microphone and amplified by a 741 op amp ic1. I hope you understood, i want a one way clap switch circuit which only will trigger the load on. 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. Now, we are going to deal another circuit named clap switch circuit for devices. Clap switch circuit for devices circuit working and applications. Two transistors cross connected as a bistable multivibrator change state at each signal. This clap on clap off switch basically turns on or off the device, by using. It switches on and off electrical appliances with a sound of clapping hands. I am making a clap switch activated relay circuit in which the bulb will glow on first clap and will shut off on the second clap.
Light activated switch circuit electronic circuits and. Ne555 timer this ic is basically configured in the monostable state. Clap on clap off switch circuit diagram electronics. This circuit has been designed to respond only to two hand claps which occur in relatively quick succession and to ignore one hand clap or even continuous clapping, as well as most other sounds which normally have lower frequency content than a hand clap. The main component of this clap switch circuit is the electric condenser mic, which has been used as a. Mar 06, 2017 2 way light switches are helpful to turn on or turn off light from different end locations.
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. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. How to make a clap clap on clap clap off switch circuit. One more plus point of this circuit is that there is no fear of the electrical shocks as you are not required to touch any of the mechanical switches physically. This circuit toggles the leds each and every time it detects a clap or tap or short whistle. Abstract clap switch is a switch which can switch onoff any electrical circuit by introduction this is a project on clap switch. One more plus point of this circuit is that there is no fear of the electrical shocks as you are not required to touch any of. It can be used as divide by 9 counter by connecting q0 with clock input pin1 cp1 and providing clock pulse to cp0 that is on pin14. Dec 12, 2017 you can control your home appliances with the clap. We have previously built clap switch and clap on clap off switch, using 555 timer ic.
The circuit allows you to operate your lighting or any circuit device which use 24v 3a maximum supply, simply by clapping your hands. Each clap detection light will glow when a proper clap or. You just have to clap in the vicinity of the microphone used in this circuit, which you can keep by the bedside. 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. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. Mar 23, 2015 this is the circuit diagram of clap on off switch. Clap operated and sound activated very sensitive switch circuit, which is controlled by clap detected by condenser mic. Control led by clap using arduino and sound sensor. 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. Clap operated switch circuit sound operated switch. It produces a small electrical signal which is amplified by the succeeding transistor stage. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table.
A single clap is picked up by the microphone and is amplified and level shifted by u1 red trace. Aug 30, 2018 we have already seen the circuit diagram, working and applications of 9 way clap switch circuit. Sensitive clap switch circuit d mohankumar 04242010. This is the circuit of a very sensitive clap switch. There is a short delay of about 50 ms to show initial conditions of the circuit. In this article simple two way light switch connection described with neat circuit diagram and wiring details. We are going to use a mic and uno to sense the sound and trigger a response.
Electronics, circuit diagram, schematic diagram, electronics projects, diy projects, mini engineering projects. You can use this circuit concept in many ways to activate sound based project. Before you make a circuit glowing 220v bulb, learn about relay, otherwise, it can be dangerous. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor. More information on a hardwareonly version can be found in the. Clap switch circuit diagram using ic 555 circuit digest. A circuit with clap operated switch, without moving out of your position or without getting out of your bed.
Control your home appliances with this clap operated switch, without getting out of your bed. You can control led by clap with the help of arduino and sound sensor. 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. This application note describes circuits in which these thyristors are used to perform simple switching functions of a. In this mode, the 555 works like a oneshot pulse producer. Different types of electronics and electrical projects and circuit ideas. Clap switch using 3 different modules buildcircuit. If i take the switch out and connect the hot wire to one of the two travelers or leave the 3 way in question off, the other 3 way switch in the circuit, and the light that they control works fine, but if i connect the hot to the other traveler, the breaker trips instantly. Nov 25, 2012 a clap switch is a fun project for beginners. Clap switch circuit for devices using 555 and 4017 august 30, 2018 by administrator 20 comments we have already seen the circuit diagram, working and applications of 9 way clap switch circuit.
The sound sensing device of the circuit is an electret microphone. Clap switch circuit for devices summary of clap switch circuit. The 555 timer is used in mono stable mode and these pulses are applied to ic cd 7490 decade counter. This application note describes circuits in which these thyristors are. Mar 05, 2017 clap switch is an interesting hobby circuit which turns on the lights with a clap sound. 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. The clapoperated circuit is a circuit which operates by clapping from a remote point. The 555 timer got its forename from the three 5k ohm resistor coupled in a voltage divider pattern.
One small request, could you please link me to the page of a particular clap switch circuit where, 1. I will present two circuits for clap switches, both of these circuits will be based on 555 ic and 4017 ic. If you want to design a switch circuit to turn on and turn off without reach a physical switch then try this simple clap switch circuit with relay, this circuit is designed with timer ic 555, dual d flip flop ic 7474 and a electromagnetic relay. This is a project on clap switch which can switch onoff any electrical circuit by the sound of the clap. It contains four master slave flop and also contain divide by two and divide by five counter. Design and construction of clap activated switch international. Now the whole objective of this is to create a clap to turn onoff the light. Right now in the circuit diagram it is configured as a shadow detector, that means the led will turn on when we show a bright light over ldr.
Simple light sensor using 741 opamp rookie electronics. Thyristors used as ac static switches and relays introduction since the scr and the triac are bistable devices, one of their broad areas of application is in the realm of signal and power switching. This clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise. Clap operated remote control for fans electronics project. This circuit uses 2 ic one is 555 timer and second is 74ls93. This audio activated relay switch circuit can be used for variety of audio related tasks. Apr 29, 20 when you clap in front of the mic, clapping sound is converted into electrical energy by the microphone. This circuit is mainly built in the region of the two ics along with a few other components 1. The resulting switch circuit can be used to turn on and turn off the electronic appliances by means of clap sound. Clap switch with latching relay page 6 all about circuits. Pdf analysing efficiency and effectiveness of clap. Could i use both pins 1 and 2 to feed two transistors with separate caps and resistors to create a pulse at either coil. Pdf design of a clap activated switch researchgate. We will use two basic clap switch circuit diagrams i.
This clap operated switch system works on detecting of sound of claps. 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 clap on, clap off circuit. Mar 21, 2018 this is clap switch circuit for 220v using relay. Applications 1this circuit can switch on and off light a fan or a radio etc. Were showing how to use ky038 sound sensor using arduino. If you wish to on and off the device without a penny shifting from your space then this circuit is helpful for you. How to make a clapclap on clapclap off switch circuit hi all. Making onoff light from two end is more comfortable when we consider stair case, two way light control is simple and easy to construct. Ne555 timer ic which is configured in monostable mode 2. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. The monostable circuit given on this page is suitable for the next clap switch circuit.
These weak signals are then amplified by the transistor which acts as preamplifier. Abstract clap switch is a switch which can switch onoff any electrical circuit by thesound of the clap. Here is the circuit of clap operated remote control fans is used to control not only switching properties but also control speed of fan. Condenser mic basically converts sound energy into electrical energy. And as im going to use relay switch contacts to make a two way light circuit from wall switch it could be. The clap operated circuit is a circuit which operates by clapping from a remote point. This clap on clap off switch basically turns on or off the device, by using the clap sound, as switch. This is because it is the part that sets the monostable trigger pin in such a way as to enable just clap frequencies triggers it. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound. 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. Clap switch control fan light by clap using 4017 ic youtube. Clap switch using transistor circuit wiring diagrams.
This is a simple circuit which helps you to onoff a switch without moving from your place. Clap switch not working properly all about circuits. A sound activated switch is a device that utilizes sound to control appliances. How to make a clapclap on clapclap off switch circuit. Engineering students, science students and for hobbyists.
Jun 12, 2012 for schematic and breadboard arrangement hit the link below. Read this post and get more information about circuit. I pulled out one from a broken headset the ones you connect to your computer for voice chat. When you clap in front of the mic, clapping sound is converted into electrical energy by the microphone. Here the simple circuit diagram of clap switch built using transistors. Clap controlled switch this circuit can switch two or more devices on and off in response to a series of rapid handclaps. This circuit is good and ideal for disabled or elderly people. You can switch onoff up to four different electrical equipment tv, fan, light, etc in 16 different ways. And as im going to use relay switch contacts to make a two way light circuit from wall switch it could be on for long periods of time depending on the switch configuration. In this remote controlled switch circuit we are using tv remote to onoff the ac light by pressing any button of remote, and using the tsop1738 at receiver end. Simple clap switch circuit using transistors tested. Ic 4017 circuits and projects for hobby electronist and school.
Nov 22, 2011 introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap. 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. Ni multisim live lets you create, share, collaborate, and discover circuits and electronics online with spice simulation included. This construction will give mono pulse when trigger received from mic, the duration of pulse time varies respect to r2 and c2 connected with ic555. Clapcontrolled switch circuit diagram learning electronics. This circuit helps you to manage your appliances in your home devoid of getting off from your bed. This instructable not only gives the reader the information needed to create a clap clap on clap clap off switching circuit, but the logic used to make a hardwareonly clap on, clap off circuit. Simple clap switch circuit diagram using relay clap on clap. In this project we are going to make clapper circuit using the concept of adc analog to digital conversion in arduino uno. The second 10uf is charged through the 5k6 and 33k and each time a sound is recognized by electret microphone, the negative excursion of the waveform takes the positive end of the.
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