While traveling recently, my family had trouble powering the 5 smartphones, 2 tablets, and 2 laptops while driving. After a long experiment here we design and verified a clap switch circuit using few transistor. During normal operation switch s2 connects pin 4 to the supply voltage. Turnon led timer can be changed by varying the value of 100mf capacitor as it is connected with 555 timer whose main purpose is to generate the pulse.
This is a simple electronic project and mostly used to turn on and off ac appliances with the help of sound. Clap switch controller by using ic555 timer ssrgjournals. Clap on clap off switch circuit diagram using 555 timer ic. Building a clap switch circuit using 555 timer and bc547b transistor 8232018 projects clap switch is a basic electronics miniproject, made with the help of the basic components.
The circuit you are persisting with is useless except in amplifiers using about 1. 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. Generally, it is a monolithic timing circuit that gives precise and highly stable delays of time or oscillation. Along with some of the other components, this circuit is mainly based on the two ics i. Astable circuit pulse generator built around the 555 timer. Now, as the resistance increases or decreases in accordance to the light falling on ldr, we hear sound of different frequencies. To stop the timer before the end of the timing interval. Ic 555 timer in this circuit is wired like a monostable oscillator. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. The toy organ circuit can also called as toy piano circuit. It is known as clap switch because the condenser mic.
Clap switch is a basic electronics miniproject, made with the help of the basic components. When clap the load is switch on and when again clapped then load is switch off. 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. Clap switch circuit on breadboard sound triggered led. The clap switch circuit is yet another simple and cool project. Nov 12, 2010 in place of a fixed resistance, ldr has been kept for getting variable resistance for the 555 timer to work in astable mode. In this tutorial, we will learn how to make a clap switch circuit, using a 555 timer ic.
The sensitivity or range up to which the circuit detects claps can also be adjusted. Pdf analysing efficiency and effectiveness of clap switch. Using costeffective electronic components, circuit diagram, pin diagram, this article will guide you step by step to make a flash lamp using. Closing switch s1 starts the 5 second timing interval and turns on led1. The clap switch circuit using 555 is build around timer ic 555, decade counter ic cd 4017, few transistor, mic and few passive components. How to make a clap switch using 555 timer ic youtube. You can also modify this circuit into a clap on clap off switch by coupling the primary output of this circuit. While getting started with electronics, you must be thinking about making useful and simple circuits that you can get embarked one and costs you less. Jun 26, 2016 here is a simple and interesting hobby circuit that can be made using the popular 555 timer ic. It is known as clap switch, because the condenser mic which.
The 555 timer can be obtained very cheaply from pretty much any electronic retailer. Clap switch circuit diagram using ic 555 circuit digest. In this circuit 555 timer ic and 7474 dual positive. Or you can directly hit at the mic lightly like i have done in the video. Clap switch circuit using 555 and 4017 in the first circuit, i will control a single relay using clap switch. Clap switch is an beginners project done using 555 timer ic.
Ne 555 clap switch module figure 2 was implemented by using. Mini project reportsound operated switch using 555 timer ic. Download as doc, pdf, txt or read online from scribd. Clap switch circuit diagram using 555 and 74ls74 clap on. The electret microphone picks up the sound of your claps, coughs, and the sound of. As you might already know, a 555 timer can be easily wired as astable, monostable or bistable multivibrator. Share on tumblr this clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise. May 04, 2012 555 555 timer amarino amarino3kit amarinoevakit android androidarduino projects arduino arduinoandroid assembly astable audio amplifier basic electronics bluesmirf blue smirf bluetooth bluetooth audio amplifier breadboard clap switchkit clap switch counter dark sensor digital clock digital clock kit diy electronics diy kit fm transmitter. When you clap for the second time, the relay is deactivated and the light is turned off. If you want to know all the pinout of the 555 timer, what each pin is and what each pin does, see 555 timer pinout. An intercom is a standalone voice communications system for use within a building or small collection of buildings. Pdf design of a clap activated switch researchgate.
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. Design and implementation of astable multivibrator using 555 timer md. This 555 timer clap switch circuit electronic project is designed using some common electronic parts. For a 555 timer working as a flip flop or as a multivibrator, it has a particular set of configurations. Although its name is clap switch, but it can be turned. This paper presents the design of a clap activated switch device that. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of.
This book is writ ten for all the people who love innovation. In the first circuit, i will control a single relay using clap switch. This 555timer clap switch circuit electronic project is designed using some common electronic parts. Intercom allows a person speaking into a microphone to be heard on a speaker by people in.
This 555 timer clap switch circuit electronic project operates from a distance of up to 10 meters from the microphone. We can modify this circuit using relay to control the electronic devices 120220v ac. How to make clap switch circuit using 555 timer ic homemade. This circuit is mainly built in the region of the two ics along with a few other components. Anyone who completes those tutorials will learn how a 555 timer ic works, what is a duty cycle, how to change time constants, how to build a basic 555 timer circuit etc. Clap switch is generally used for a light, television, radio or similar electronic device that the person will want to turn onoff from bed. For this circuit, ic ne555 monostable produces a clock pulse, which is used to give an oscillating wave at. Here a low power audio amplifier circuit is designed using 555 timer ic. 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. In place of a fixed resistance, ldr has been kept for getting variable resistance for the 555 timer to work in astable mode.
List of 555 timer circuits and projects the tutorials listed above will help any beginner to learn the basics about a timer ic very well. Shadow sensors are widely used to detect the movement of a person. This is a project on clap switch which can switch onoff any electrical circuit by the sound of. Clap switch using 555 timer in monostable modevalues of.
This is a simple clap switch circuit with high sensitivity. Jul 09, 2017 clap switch is an interesting hobby circuit which turns on the lights with a clap sound. When you clap once, the relay is activated and the light or any load is turned on. I am familiar with the 555 timer and i know that the trigger voltage has to be lower than of vcc in this circuit 4. The 555 ic timer circuit above shows a very straightforward design where the ic 555 forms the central controlling part of the circuit. This clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise. Dec 27, 2017 the sensitivity or range up to which the circuit detects claps can also be adjusted. To test this circuit you need to clap loudly as this small condenser mic dont have long range. Although the name of the circuit is the clap switch, but you are not restricted to give input as the clap only.
Adjustable timer circuit using ic 555 homemade circuit projects. The mic 1 condenser microphone is used here as sensor, senses the clap sound and further convert it into electrical signal. It consists of condenser mic to pick sound of the clap and convert from sound energy to electrical energy which is then used to trigger 555 timer output where led is connected. Clap switch circuit using 555 engineering projects. Even then, they were extremely difficult to use and gave poor gain per stage, a microphone gives about 10 mv out and a 555 will take about 6 volts to trigger. 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. You can use this circuit concept in many ways to activate sound based project. I hope you understood, i want a one way clap switch circuit which only will trigger the load on one upon a single clap action and to switch off the load we will physically control the switch to off. It is a twoway communication electronic device that contains circuitry for the purpose of transmitting and receiving audio transmissions. The logic of sound generator using 555 can be used to make a simple toy organ. These types of ics are very cheap and reliable in cost when we compared with the opamp applications in the same areas.
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. Figure 6 shows a complete 555 monostable multivibrator circuit with simple edge triggering. Here is a simple and interesting hobby circuit that can be made using the popular 555 timer ic. Because the output of 555 has a maximum current to 200ma. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. For this circuit, ic ne555 monostable produces a clock pulse, which is used to give an oscillating wave at ic1 pin 3 which is an output pin.
At the end of the timing interval led1 will turn off. See more ideas about electronics projects, diy electronics and electronic schematics. This circuit functions on using the sound energy provided by the clap which is converted into electrical energy by condenser microphone. This clap operated on off switch circuit is useful to on off any appliance. Mar 04, 2019 share on tumblr remote access to electrical devices are makes us comfortable and if you can control electric device with clap then it makes you very joyful and here we have prototype a simple clap on clap off switch using 555 timer and this circuit can help us to control any electric device, here for an example we have taken electric bulb. The circuit uses a 555 timer ic and transistor bc547 for its operation. A clap switch circuit is a sound sensitive circuit. How to make a simple led flashing circuit using 555 timer ic. Clap switch circuit for devices circuit working and. Clap switch circuit is a basic electronics project, made from the basic components such as ic 555 timer, bc547 transistors led resistors, capacitors etc.
Signal from microphone is amplified by transistors t1, t2 and t3. Ne555 timer this ic is basically configured in the monostable. It consists of condenser mic to pick sound of the clap and convert from sound energy to electrical energy which is then used to trigger 555 timer output where led is connect. Although, the name of the circuit is clap switch it can be turned on by any sound which has pitch similar to a clap sound. I am working on a clap relay project and i want to do my own clap relay using timer 555 but i am not sure how the circuit works in details.
Clap switch circuit electronic project using 555 timer free download as word doc. Control pin 5 of 555 timer ic should be connected to ground through a 0. We will use two basic clap switch circuit diagrams i. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. A clap switch circuit can turn onoff any electrical component by the sound of a clap. Mar 21, 2015 this 555 timer clap switch circuit electronic project is designed using some common electronic parts. Design and implementation of astable multivibrator using 555. Condenser microphone, bjts, ne555 timer, decade counter, led, relays. The lc meter circuit shown here will measure the value of a reactive element like capacitor or an inductor.
The only unusual component is the single coil latching relay. In this circuit, we will connect the 555 timer to be in astable mode. Clap switch circuit electronic project using 555 timer scribd. Share on tumblr remote access to electrical devices are makes us comfortable and if you can control electric device with clap then it makes you very joyful and here we have prototype a simple clap on clap off switch using 555 timer and this circuit can help us to control any electric device, here for an example we have taken electric bulb. In this design, the output of a decade counter is used for a transistor switch that. Condenser mic basically converts sound energy into electrical energy, that in turns used to trigger 555 timer ic, through a transistor. This is another clap on off circuit diagram using 555 timer and 7474 ic. When ontime 5, 10, 15, and 30 minutes or even 1 hour. Aug 30, 2018 clap switch circuit using 555 and 4017. The 555 timer is widely used as ic timer circuit and it is the most commonly used general purpose linear integrated circuit.1664 267 963 92 1408 638 1507 574 908 500 789 476 286 1329 473 435 1667 1155 476 1303 630 1313 147 105 1381 1306 1007 1345 698 1439 576 648 111 14 1033 22 743 667 1375 1189 466 885 1257 293 416 598 1414 648 143