See more ideas about electronics projects, diy electronics and electronic schematics. This 555 timer clap switch circuit electronic project is designed using some common electronic parts. Ic 555 timer in this circuit is wired like a monostable oscillator. The circuit uses a 555 timer ic and transistor bc547 for its operation. Along with some of the other components, this circuit is mainly based on the two ics i. These types of ics are very cheap and reliable in cost when we compared with the opamp applications in the same areas.
In place of a fixed resistance, ldr has been kept for getting variable resistance for the 555 timer to work in astable mode. The 555 ic timer circuit above shows a very straightforward design where the ic 555 forms the central controlling part of the 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. How to make clap switch circuit using 555 timer ic homemade.
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. Download as doc, pdf, txt or read online from scribd. 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. This 555timer clap switch circuit electronic project is designed using some common electronic parts. Closing switch s1 starts the 5 second timing interval and turns on led1.
It is known as clap switch, because the condenser mic which. In this circuit 555 timer ic and 7474 dual positive. 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. 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. Clap switch circuit on breadboard sound triggered led. For this circuit, ic ne555 monostable produces a clock pulse, which is used to give an oscillating wave at. A clap switch circuit can turn onoff any electrical component by the sound of a clap. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. This is a project on clap switch which can switch onoff any electrical circuit by the sound of. For a 555 timer working as a flip flop or as a multivibrator, it has a particular set of configurations. Because the output of 555 has a maximum current to 200ma. Aug 30, 2018 clap switch circuit using 555 and 4017. 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. You can use this circuit concept in many ways to activate sound based project.
Control pin 5 of 555 timer ic should be connected to ground through a 0. Although its name is clap switch, but it can be turned. Condenser microphone, bjts, ne555 timer, decade counter, led, relays. 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. Here a low power audio amplifier circuit is designed using 555 timer ic. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of. 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.
Figure 6 shows a complete 555 monostable multivibrator circuit with simple edge triggering. This paper presents the design of a clap activated switch device that. When ontime 5, 10, 15, and 30 minutes or even 1 hour. Signal from microphone is amplified by transistors t1, t2 and t3. 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. In this tutorial, we will learn how to make a clap switch circuit, using a 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. Clap switch circuit using 555 engineering projects. This clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise. This circuit is mainly built in the region of the two ics along with a few other components. Clap switch using 555 timer in monostable modevalues of. Clap switch circuit diagram using ic 555 circuit digest. This clap operated on off switch circuit is useful to on off any appliance. Jul 09, 2017 clap switch is an interesting hobby circuit which turns on the lights with a clap sound.
The logic of sound generator using 555 can be used to make a simple toy organ. Clap switch circuit using 555 and 4017 in the first circuit, i will control a single relay using clap switch. Clap switch circuit electronic project using 555 timer scribd. Generally, it is a monolithic timing circuit that gives precise and highly stable delays of time or oscillation. How to make a clapclap on clapclap off switch circuit. Design and implementation of astable multivibrator using 555. The only unusual component is the single coil latching relay. Intercom allows a person speaking into a microphone to be heard on a speaker by people in. Clap switch is generally used for a light, television, radio or similar electronic device that the person will want to turn onoff from bed. How to make a simple led flashing circuit using 555 timer ic. Clap switch circuit diagram using 555 and 74ls74 clap on. When clap the load is switch on and when again clapped then load is switch off. Or you can directly hit at the mic lightly like i have done in the video. A clap switch circuit is a sound sensitive circuit.
In this circuit, we will connect the 555 timer to be in astable mode. 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. The clap switch circuit using 555 is build around timer ic 555, decade counter ic cd 4017, few transistor, mic and few passive components. In this design, the output of a decade counter is used for a transistor switch that. To stop the timer before the end of the timing interval. 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. To test this circuit you need to clap loudly as this small condenser mic dont have long range.
Clap on clap off switch circuit diagram using 555 timer ic. How to make a clap switch using 555 timer ic youtube. Condenser mic basically converts sound energy into electrical energy, that in turns used to trigger 555 timer ic, through a transistor. The clap switch circuit is yet another simple and cool project. 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. You can also modify this circuit into a clap on clap off switch by coupling the primary output of this circuit. Clap switch circuit electronic project using 555 timer free download as word doc.
The toy organ circuit can also called as toy piano circuit. 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. This circuit functions on using the sound energy provided by the clap which is converted into electrical energy by condenser microphone. Clap switch is an beginners project done using 555 timer ic.
Jun 26, 2016 here is a simple and interesting hobby circuit that can be made using the popular 555 timer ic. 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. During normal operation switch s2 connects pin 4 to the supply voltage. Mini project reportsound operated switch using 555 timer ic. The lc meter circuit shown here will measure the value of a reactive element like capacitor or an inductor.
This 555 timer clap switch circuit electronic project operates from a distance of up to 10 meters from the microphone. Clap switch is a basic electronics miniproject, made with the help of the basic components. Ne555 timer this ic is basically configured in the monostable. Shadow sensors are widely used to detect the movement of a person. 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 circuit you are persisting with is useless except in amplifiers using about 1. Nov 20, 2011 the circuit you are persisting with is useless except in amplifiers using about 1. The 555 timer is widely used as ic timer circuit and it is the most commonly used general purpose linear integrated circuit. The electret microphone picks up the sound of your claps, coughs, and the sound of. Mar 21, 2015 this 555 timer clap switch circuit electronic project is designed using some common electronic parts.
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. The 555 timer can be obtained very cheaply from pretty much any electronic retailer. In the first circuit, i will control a single relay using clap switch. We can modify this circuit using relay to control the electronic devices 120220v ac. An intercom is a standalone voice communications system for use within a building or small collection of buildings. The sensitivity or range up to which the circuit detects claps can also be adjusted. As discussed in the above section, the ic is in its standard monostable mode. This is another clap on off circuit diagram using 555 timer and 7474 ic.
Now, as the resistance increases or decreases in accordance to the light falling on ldr, we hear sound of different frequencies. 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. Pdf analysing efficiency and effectiveness of clap switch. Design and implementation of astable multivibrator using 555 timer md. Ne 555 clap switch module figure 2 was implemented by using. This book is writ ten for all the people who love innovation. We will use two basic clap switch circuit diagrams i. Clap switch circuit is a basic electronics project, made from the basic components such as ic 555 timer, bc547 transistors led resistors, capacitors etc. 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. Here is a simple and interesting hobby circuit that can be made using the popular 555 timer ic. 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. Using costeffective electronic components, circuit diagram, pin diagram, this article will guide you step by step to make a flash lamp using. 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.
At the end of the timing interval led1 will turn off. 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. 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. It is known as clap switch because the condenser mic. Pdf design of a clap activated switch researchgate. Although the name of the circuit is the clap switch, but you are not restricted to give input as the clap only. After a long experiment here we design and verified a clap switch circuit using few transistor. Dec 27, 2017 the sensitivity or range up to which the circuit detects claps can also be adjusted. 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. 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. 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. Browse through a total of 32 ic 741 projects circuits. While traveling recently, my family had trouble powering the 5 smartphones, 2 tablets, and 2 laptops while driving.
It is a twoway communication electronic device that contains circuitry for the purpose of transmitting and receiving audio transmissions. This is a simple clap switch circuit with high sensitivity. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. When you clap for the second time, the relay is deactivated and the light is turned off. Astable circuit pulse generator built around the 555 timer. 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. 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. As you might already know, a 555 timer can be easily wired as astable, monostable or bistable multivibrator. When you clap once, the relay is activated and the light or any load is turned on.