Design of a clap activated switch leonardo journal of sciences. Clap switch circuit using ne555 timer ic circuits gallery. Pdf design of a clap activated switch researchgate. Two transistors cross connected as a bistable multivibrator change state at each signal.
We have previously built clap switch and clap on clap off switch, using 555 timer ic. This will help us to search some objects in the dark, when you are watching tv or lying on bed etc. Before you make a circuit glowing 220v bulb, learn about relay, otherwise, it can be dangerous. Clap switch circuit rookie electronics electronics. 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 clapoperated circuit is a circuit which operates by clapping from a remote point. Clap on clap off switch circuit diagram using 555 timer ic. This is simple clap switch circuit diagram using relay. Clap switch circuit is the local name of sound controlled flip flops. Pdf analysing efficiency and effectiveness of clap switch. Thus by generating clap sound, the output get reversed. The sound of clap will be captured by a tiny mic which is indicated through a biasing resistor r1 within the circuit.
In this clap switch, circuit clap is acting as a pulse for the flipflop circuit. All the clapon switch circuits explained above have the ability to operate only with single alternate clap sounds. Jan 05, 2019 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. Circuit diagram, description of clap switch and other. Dec 20, 2015 this clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise.
The only unusual component is the single coil latching relay. In this project we are going to make clapper circuit using the concept of adc analog to digital conversion in arduino uno. 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. Clap switch is a basic electronics miniproject, made with the help of the basic components. Pdf analysing efficiency and effectiveness of clap. Nov 22, 2011 introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap. Clap switch using 3 different modules buildcircuit. Recent listings manufacturer directory get instant insight into any electronic component. Clap switch circuit diagram using 555 and 74ls74 clap on. This circuit helps you to manage your appliances in your home devoid of getting off from your bed. Abstract clap switch is a switch which can switch onoff any electrical circuit by thesound of the clap. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound.
If you wish to on and off the device without a penny shifting from your space then this circuit is helpful for you. With the help of this circuit, speed of the fan can also be controlled by connecting. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. Clap switch circuit for devices circuit working and. Clap switch circuit for devices circuit working and applications. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. One of these transistors drives a heavier transistor which controls a lamp. Clap switch circuit diagram using ic 555 circuit digest. This is the circuit of a very sensitive clap switch. The sound of clap is received by a small microphone that is shown biased by resistor r1 in the circuit. Design and construction of clap activated switch international. 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. 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. A resistor with value between 220 ohm and 470 ohm is used in series with the led r3 in the circuit diagram.
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. Clap switch a mini project report submitted in the partial fulfillment of degree of bachelor of technology. 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 for devices summary of clap switch circuit. How to make a clapclap on clapclap off switch circuit hi all. Clap switch is a switch which can switch onoff any electrical circuit by the sound of the clap. Aug 30, 2018 we have already seen the circuit diagram, working and applications of 9 way clap switch circuit. Clap switch with latching relay all about circuits. Dec 31, 2012 abstract clap switch is a switch which can switch onoff any electrical circuit by thesound of the clap. A clap on clap off switch is an interesting concept that could be used in home automation. Apr 17, 2012 this circuit can switch on and off light a fan or a radio etc. Transistor t1 is used as the preamplifier and the rest are used for driving the relays. Simple clap switch circuit using transistors tested. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor.
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. 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 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. After a long experiment here we design and verified a clap switch circuit using few transistor. This clap on clap off switch basically turns on or off the device, by using the clap sound. Mar 21, 2018 this is clap switch circuit for 220v using relay. Introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap. 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 switch circuit is a basic electronics project, made from the basic components such as ic 555 timer, bc547 transistors led resistors, capacitors etc. Nov 25, 2012 a clap switch is a fun project for beginners. The negative or gnd pin of the electret microphone is the pin that connects to the body of the microphone. Simple clap switch circuit using transistor duration. This circuit can switch on and off light a fan or a radio etc. I will present two circuits for clap switches, both of these circuits will be based on 555 ic and 4017 ic.
How to make a clapclap on clapclap off switch circuit. Mar 11, 2017 in this clap switch, circuit clap is acting as a pulse for the flipflop 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. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. The circuit i got of internet is showing a 9v supply, would like to keep it that way and use a battery. We are going to use a mic and uno to sense the sound and trigger a response. This clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise. It produces a small electrical signal which is amplified by the succeeding transistor stage. 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. However i think the relay coil will shorten battery life, so would like to know how could i incorporate. Pdf in this paper the electronic circuit which is activated or turn on by the external sound is like claps or any other sound more than 2200hz to. It switches on and off electrical appliances with a sound of clapping hands. All you need is to just clap or you can puff in front of the microphone and after that, the device. Clap switch circuit on breadboard sound triggered led.
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. Dec 30, 2015 today we are going to make a simple clap switch, how to switch on the lights, for a while, with a single clap. The basic idea of clap switch is that the electric. Here is how to develop clap switch using arduino uno and microphone with circuit diagram, list of components and code. We have already seen the circuit diagram, working and applications of 9 way clap switch circuit.
A sound sensormic is used to detect a high altitude sound to activate an led for a short period of time which can be varied by changing the value of a capacitor in the circuit a basic clap switch circuit using 555 timer ic. This circuit can switch on and off a light, a fan or a radio etc by the sound of a clap. Apr 06, 2016 clap switch breadboard layout and circuit diagram. 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. Sensitive clap switch circuit d mohankumar 04242010. It might look neater if you draw the circuit diagram on to the board before you begin.
Get the circuit diagram and working of the circuit details at 9 way clap switch circuit. When clap the load is switch on and when again clapped then load is switch off. Simple clap switch circuit diagram using relay clap on. This is another clap on off circuit diagram using 555 timer and 7474 ic. Dec 27, 2017 a tutorial on how to make a clap switch circuit aka sound triggered led, along with detailed explanation on how the circuit works. 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. The main objective of clap switch is that on and off of any electrical appliance by a sound of clap. The microphone changes sound wave in to electrical wave, which is further amplified by q1. This clap operated on off switch circuit is useful to on off any appliance. A tutorial on how to make a clap switch circuit aka sound triggered led, along with detailed explanation on how the circuit works. It works as a switch which makes devices on and off by making a clap sound. We will use two basic clap switch circuit diagrams i. This is a simple clap switch circuit with high sensitivity. Clap operated and sound activated very sensitive switch circuit, which is controlled by clap detected by condenser mic.
Mar 23, 2018 this is another clap on off circuit diagram using 555 timer and 7474 ic. All the clap on switch circuits explained above have the ability to operate only with single alternate clap sounds. Clap switch is popular since our childhood in the days of 90s when basic electronic components were not so easily available and cost was not really towards cheap. Clap switch using transistor electronic projects, power. It is a basic project and also our second project with. More information on a hardwareonly version can be found in the. You can use this circuit concept in many ways to activate sound based project.
This is a project on clap sw itch which can switch onoff any electrical circuit by the sound of the clap. A sound sensormic is used to detect a high altitude sound to activate an led for a short period of time which can be varied by changing the value of a capacitor. The sensitivity or range up to which the circuit detects claps. Using a toggle switch in the clap switch would offer two stable states for the circuit. Hello all, ive started another project this time its a clap switch controling lights. This feature makes the circuit vulnerable to external sounds which might occur occasionally triggering the connected load with the circuit. This clap on clap off switch basically turns on or off the device, by using the clap sound, as switch. 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. On first clap, the circuit switches on and on another clap, it switches off. This will help us to search some objects in the dark, when you are watching tv or. Today we are going to make a simple clap switch, how to switch on the lights, for a while, with a single clap. Now, we are going to deal another circuit named clap switch circuit for devices.
Although its name is clap switch, but it can be turned on by any sound of about same pitch of clap sound. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. 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. Pdf clap switch a mini project report submitted in the.
Ni multisim live lets you create, share, collaborate, and discover circuits and electronics online with spice simulation included. 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. Condenser mic basically converts sound energy into electrical energy. Clap switch control fan light by clap using 4017 ic youtube.