Clap switch circuit for devices summary of clap switch circuit. How to make a clapclap on clapclap off switch circuit. Clapcontrolled switch this circuit can switch two or more devices on and off in response to a series of rapid handclaps. Clap switch with latching relay page 2 all about circuits. Clap switch with latching relay page 6 all about circuits. A clap on clap off switch is an interesting phenomena that could be used in home automation. 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. 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. Ic1 is configured as an inverting amplifier, with its gain. The microphone changes sound wave in to electrical. Using a toggle switch in the clap switch would offer two stable states for the circuit.
How to make a clapclap on clapclap off switch circuit hi all. The only unusual component is the single coil latching relay. Converts the sound signal into electrical energy basic idea on clap switch is basic idea on clap switch is that the electric. If you wish to on and off the device without a penny shifting from your space then this circuit is helpful for you.
Aug 30, 2018 we have already seen the circuit diagram, working and applications of 9 way clap switch circuit. This clap on clap off switch basically turns on or off the device, by using the clap sound, as switch. 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. Clap switch using transistor electronic projects, power. The condenser microphone picks up the sound of your claps, coughs, and the sound of thatbook knocked off the table. 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. This is a simple clap switch circuit with high sensitivity. Using these circuits, you can control electrical appliances. 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. Ni multisim live lets you create, share, collaborate, and discover circuits and electronics online with spice simulation included.
The output from the mic is very low in magnitide and so we need an amplifier circuit to boost the detected sound signal. 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. Clap operated switch circuit sound operated switch project. Read this post and get more information about circuit. Design of the clap setpoint potential divider the clap setpoint potential divider is the most important part of this project. 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 triggering. Here the simple circuit diagram of clap switch built using transistors.
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. Applications comprise timers, lost pulse recognition, bounce free switches. Another clap switch using computer speaker his is a simple clap switch circuit with high sensitivity. One small request, could you please link me to the page of a particular clap switch circuit where, 1. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. In fact, all components in the below diagram are crutial. Elonics electronics projects on breadboard 105,068 views 6. Build the circuit as shown in the breadboard layout and circuit diagram below.
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. The lm358 will work at 5v, but the output does not swing that close to the rails. It will give you visual indication of the appliances also. This circuit uses 2 ic one is 555 timer and second is 74ls93. Could i use both pins 1 and 2 to feed two transistors with separate caps and resistors to create a pulse at either coil. Clap operated and sound activated very sensitive switch circuit, which is controlled by clap detected by condenser mic. Simple clap switch circuit using transistors tested. Two transistors cross connected as a bistable multivibrator change state at each signal. We are going to use a mic and uno to sense the sound and trigger a response. Previously we had posted a simple clap operated switch. Condenser mic basically converts sound energy into electrical energy. Here is the circuit of clap operated remote control fans is used to control not only switching properties but also control speed of fan. This circuit toggles the leds each and every time it detects a clap or tap or short whistle.
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 source. Features of this clap switch circuit are as follows. In this mode, the 555 works like a oneshot pulse producer. The claps are picked up by an electret microphone and amplified by a 741 op amp ic1. Clap on clap off switch circuit diagram using 555 timer ic. Introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap.
Clap switch using transistor circuit wiring diagrams. Now, we are going to deal another circuit named clap switch circuit for devices. An electret microphone or simply mic obo04fn0b is used for this purpose. 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. You are not required to move from your place to on or off the devices. Dec 31, 2012 chapter 1introduction this is a project on clap switch which can switch onoff any electrical circuit bythe sound of a 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.
Apr 06, 2016 build the circuit as shown in the breadboard layout and circuit diagram below. It uses an electret microphone as a transducer for converting a clapping sound into an electrical signal. This circuit helps you to manage your appliances in your home devoid of getting off from your bed. You can operate 4 appliances using this single sound clap operated circuit. 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 clap switch introduction the clapswitch is a device that simply be operated by sound i. Ne555 timer this ic is basically configured in the monostable state. Mar 21, 2018 simple clap switch circuit diagram 220v using relay. On first clap, the circuit switches on and on another clap, it switches off. If we clap the lamp turns on and to switchit off clap again.
This circuit is mainly built in the region of the two ics along with a few other components 1. Dec 18, 2010 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. The clap switch requires a transducer at the input to convert sound vibrations from clapping hands into electrical energy. The circuit will switch onoff any appliance connected to it. For use in very noisy environments the clapper has a third sensitivity level. We have already seen the circuit diagram, working and applications of 9 way clap switch circuit. On clapping there will be a peak signal at the mic which is much higher than normal, this signal is fed to the amplifier, though a high pass filter. Clap switch circuit for devices circuit working and. 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. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. You can switch on and switch off the appliance at your room by simple clapping or by a sound.
Clap operated remote control for fans electronics project. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound. Slide the switch from away to high back to away 3 times. This circuit is built around timer ic 555 ic1, cmos ic 74ls93 ic2 and five bc547 npn transistors t1, t2, t3, t4 and t5. 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. Before you make a circuit glowing 220v bulb, learn about relay, otherwise, it can be dangerous. It produces a small electrical signal which is amplified by the succeeding transistor stage. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. This clap operated switch system works on detecting of sound of claps. Pdf analysing efficiency and effectiveness of clap switch. To make the same circuit as mentioned above without ic 555 timer, we will have to use the following basic electronic components and devices.
Put the high away slide switch into the away position. 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. Clap switch circuit using 555 engineering projects. That way, the switch would not draw current even if, 4x applications, the analog front end and microphone are turned off in powerdown modes to save battery life, 4xs audio wakeup circuitry consumes about 40. 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. While there are numerous means of generating the latching function, the latching relay greatly simplifies the circuit and provides a relay contact interface for driving a. While there are numerous means of generating the latching function, the latching relay greatly simplifies the circuit and provides a relay contact interface for driving a 115 or 230vac load such as a light bulb. The fundamental concept of the clap switch is microphone received the sound of the clap or any other sound, the circuit will be activated this kind of system has been helpful of the day to day. Nov 22, 2011 introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap. Nov 16, 2017 how to make an electronic clap switch with explanation. Clap switch project report pdf ppt download abstract. How to make a clap switch circuit with explanation youtube.
I will present two circuits for clap switches, both of these circuits will be based on 555 ic and 4017 ic. The sound of clap is received by a small microphone that is shown biased by resistor r1 in the circuit. This is a project on clap sw itch which can switch onoff any electrical circuit by the sound of the clap. It switches on and off electrical appliances with a sound of clapping hands. A resistor with value between 220 ohm and 470 ohm is used in series with the led r3 in the circuit diagram. Simple clap switch circuit diagram using relay clap on. Inside a flipflop circuit, at any given time just one transistor triggers while the other remains cutoff and once it receives a trigger pulse coming from external source subsequently 1st transistor gets switched off and 2nd transistor is activated, therefore output of. You can simultaneously on and off one, two or three devices. Pdf design of a clap activated switch researchgate.
Ne555 timer ic which is configured in monostable mode 2. Clap on clap off switch circuit diagram electronics. High sensitive clap operated switch circuit without microcontroller. Pdf analysing efficiency and effectiveness of clap. I hope you understood, i want a one way clap switch circuit which only will trigger the load on. This is simple clap switch circuit diagram using relay. Mar 05, 2017 clap switch is an interesting hobby circuit which turns on the lights with a clap sound. The clapoperated circuit is a circuit which operates by clapping from a remote point. Transistor t1 is used as the preamplifier and the rest are used for driving the relays. Chapter 1introduction this is a project on clap switch which can switch onoff any electrical circuit bythe sound of a clap. Clap switch means clap switch is switch which can switch onoff any.
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. This involves the design of various sages consisting of the pickup transducer, low frequency, audio low power and low noise amplifier, timer. The negative or gnd pin of the electret microphone is the pin that connects to the body of the microphone. It contains four master slave flop and also contain divide by two and divide by five counter. 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. You can operate 4 appliances using this single soundclap operated circuit. How to make an electronic clap switch with explanation. While there are numerous means of generating the latching function, the latching relay greatly simplifies the circuit and provides a relay contact interface for driving a 115 or 230vac. It is known as clap switch because the condenser mic. 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. Now, here is a clap switch circuit using 555, used to control any appliance by clapping five times. Clap operated switch circuit sound operated switch. This is a simple circuit which helps you to onoff a switch without moving from your place. We have previously built clap switch and clap on clap off switch, using 555 timer ic.
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