Analysing efficiency and effectiveness of clap switch. Use this circuit when you wish to turn a load on and off with a voltage at a low current. Your picture in the other hand is a poor quality jpg image. Mar 21, 2018 this is clap switch circuit for 220v using relay. And am not getting led flashes on clapping, could u help me in what changes must be done to get the output. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor. Pdf this book is written for all the people who love innovation. With the help of this circuit you can control your home appliances without getting off from your bed. Pdf this paper presents the design of a clap activated switch device that will. Clap switch circuit is not new idea for the electronics hobbyist. This is a project on clap switch which can switch onoff any electrical circuit by the sound of the clap. In this mode, the 555 works like a oneshot pulse producer. It might look neater if you draw the circuit diagram on to the board before you begin. Simple clap switch circuit diagram using relay clap on 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. Clap switch circuit using 555 engineering projects. Just want to know the sensitivity of your switch and do you have any good clap switch circuit with 2 ne 555 as i have 555 but not 7474. This is a project on clap sw itch which can switch onoff any electrical circuit by the sound of the clap. You have to just clap or puff in front of the microphone and the device connected to it become on or off. This circuit helps you to manage your appliances in your home devoid of getting off from your bed. Jun 16, 2010 pdf sheet is ok since viewer software is easilly avaiable in contrast to. Were showing how to use ky038 sound sensor using arduino. It works as a switch which makes devices on and off by making a clap sound. Clap switch using transistor circuit wiring diagrams. Buildcircuit is now selling fully assembled clap switch that can operate 220v lamps. The components are from my junk box and i found that it works even if you omit that 4.
Clap switch with latching relay page 6 all about circuits. Condenser mic basically converts sound energy into electrical energy. Simple clap switch circuit using transistors tested. I have designed 9 way clap switch circuit,but i am not understanding how to connect the relay to the circuit. To turn onoff any appliance, you just have to clap twice. The figure below shows a project schematic of a clap switch circuit. Nov 16, 2017 how to make an electronic clap switch with explanation. Using a toggle switch in the clap switch would offer two stable states for the circuit. The 555 timer got its forename from the three 5k ohm resistor coupled in a voltage divider pattern. Clap switch is a basic electronics miniproject, made with the help of the basic components. The clapoperated circuit is a circuit which operates by clapping from a remote point. Although its name is clap switch, but it can be turned on by any sound of about same pitch of clap sound. You can control led by clap with the help of arduino and sound sensor.
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. Jan 10, 2018 very sensitive clap switch circuit last updated on january 10, 2018 by admin 2 comments here we learn a simple yet very sensitive and powerful clap switch circuit, which can be used for operating a relay and switch onoff any electrical load or appliance. The entire circuit of sound operated light is designed and builds around an operational amplifier ic ic 1 and jk flipflop ic ic 2. You just have to clap in the vicinity of the microphone used in this circuit, which you can keep by the bedside.
The circuit will switch on the relay and an led when a loud sound is detected by the microphone for example clap, whistle or any other loud sound. The clap sound sensed by condenser microphone is amplified by transistor t1. Clap operated and sound activated very sensitive switch circuit, which is controlled by clap detected by condenser mic. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound. 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 main component of this clap switch circuit is the electric condenser mic, which has been used as a. Clap operated remote control for fans electronics project. Here the simple circuit diagram of clap switch built using transistors. How to make an electronic clap switch with explanation. 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. Clap switch circuit for devices circuit working and. Is there any way to check whether mic is working or not. I will present two circuits for clap switches, both of these circuits will be based on 555 ic and 4017 ic. If you wish to on and off the device without a penny shifting from your space then this circuit is helpful for you. Sep 09, 2015 9 way clap switch circuit description. The basic action of the bc 549 transistor used for amplifier circuit in this design is to. 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. It is known as clap switch, because the condenser mic which. Nov 22, 2011 introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap.
It is also called clap operated light or clap switch. Introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap. Do you know the main features and applications of this circuit. Sep 20, 2015 it picks up the sound created by clap and amplifies it to create a flash of led.
Clap switch circuit using ne555 timer ic circuits gallery. Previously we had posted a simple clap operated switch. Aug 30, 2018 we have already seen the circuit diagram, working and applications of 9 way clap switch circuit. 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. You can connect any dc or ac appliance with the output of the relay to make it switch on by sound. 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 onoff up to four different electrical equipment tv, fan, light, etc in 16 different ways. Very sensitive clap switch circuit making easy circuits. Then the music will activate the circuit the same as a hand clap. Clap on clap off switch circuit diagram electronics. One way to design a smartphone would be to let the power management.
Now, we are going to deal another circuit named clap switch circuit for devices. Now, here is a clap switch circuit using 555, used to control any appliance by clapping five times. This clap operated switch system works on detecting of sound of claps. Could i use both pins 1 and 2 to feed two transistors with separate caps and resistors to create a pulse at either coil. First of all, jpg images isnt suitable for schematics because its a losy format. This circuit uses 2 ic one is 555 timer and second is 74ls93. Clap switch circuit for devices summary of clap switch circuit. The sound sensing device of the circuit is an electret microphone. Control your home appliances with this clap operated switch, without getting out of your bed.
How to make a clap switch circuit with explanation youtube. One small request, could you please link me to the page of a particular clap switch circuit where, 1. 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. Nov 25, 2012 a clap switch is a fun project for beginners. I hope you understood, i want a one way clap switch circuit which only will trigger the load on. Mar 05, 2017 clap switch is an interesting hobby circuit which turns on the lights with a clap sound. This is simple clap switch circuit diagram using relay. Pdf design of a clap activated switch researchgate. We have already seen the circuit diagram, working and applications of 9 way clap switch circuit. This circuit toggles the leds each and every time it detects a clap or tap or short whistle. Read this post and get more information about circuit.
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. Ne555 timer this ic is basically configured in the monostable state. A clap on clap off switch is an interesting concept that could be used in home automation. It picks up the sound created by clap and amplifies it to create a flash of led. Control led by clap using arduino and sound sensor.
It switches on and off electrical appliances with a sound of clapping hands. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. Clap on clap off switch circuit diagram using 555 timer ic. 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. On first clap, the circuit switches on and on another clap, it switches off. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. Clap switch using 3 different modules buildcircuit. However, for that, the resistor and capacitor of the monostable mode circuit should be set in such a way that it short pulse of 1 seconds only. Since il max must be greater than il and from the date sheet. Oct 04, 2011 somewhere i saw a clap switch circuit with 2 ne555, but as per the comments from different users the mic sensitivity is very low you have to clap hard and near to mic to operate it. It uses an electret microphone as a transducer for converting a clapping sound into an electrical signal.