The lc meter circuit shown here will measure the value of a reactive element like capacitor or an inductor. Clap switch circuit electronic project using 555 timer free download as word doc. If youre new to 555 ic, please take the time to read our beginners guide on 555 ic. Previously we had posted a simple clap operated switch. This 555 timer clap switch circuit electronic project operates from a distance of up to 10 meters from the microphone. A tutorial on how to make a clap switch circuit aka sound triggered led, along with detailed explanation on how the circuit works. Clap switch circuit diagram using ic 555 circuit digest. Clap switch circuit is a basic electronics project, made from the basic components such as ic 555 timer, bc547 transistors led resistors, capacitors etc. There are simple circuits for beginners and advanced engineers. Its very common and simple to make this circuit using ic 4017, but here, ill also show you how to make it without the 4017 ic, but by using very common ic 555 timer ic. Since it uses a simple condenser mike to produce the pulse. I rebuilt the circuit from the 555 timer down, and everything from the 555 timer works. This will help us to search some objects in the dark, when you are watching tv or lying on bed etc.
How to make clap switch circuit using 555 timer ic homemade. Simple clap switch circuit diagram using relay clap on. A clap on clap off switch is an interesting concept that could be used in home automation. How to make a clap switch using 555 timer ic youtube. This 555 timer clap switch circuit electronic project is designed using some common electronic parts. Signal from microphone is amplified by transistors t1, t2 and t3.
You can learn 555 ic operations through some 555 timer circuits here. Im using two 3904 transistor instead of the bc547 and im using a 9volt battery. Pdf design of a clap activated switch researchgate. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. 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. 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 works as a switch which makes devices on and off by making a clap sound. It can be used to turn on and off the led or lamp simply, by clapping your hands. Condenser mic basically converts sound energy into electrical energy, that in turns used to trigger 555 timer ic, through a transistor. We will use two basic clap switch circuit diagrams i. This is probably whats going on here when using a vcc of 3.
Debouncing a button or switch with a ne555 timer in monostable mode. Clap switch circuit for devices using 555 and 4017 electronics hub. A circuited switch, which operates with sound of clapping. It is known as clap switch because the condenser mic. Voltage controlled switch using the 555 zen internet. 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. 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 is a basic electronics miniproject, made with the help of the basic components. In this post, i will tell you how to make a clap switch circuit. When clap the load is switch on and when again clapped then load is switch off. Light activated relay switch using 555 circuit diagram. The components are from my junk box and i found that it works even if you omit that 4. Today we are going to make a simple clap switch, how to switch on the lights, for a while, with a single clap. Clap switch is generally used for a light, television, radio or similar electronic device that the person will want to turn onoff from bed. The circuit is able to blink 8 super bright blue and reds leds. 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. When you clap once, the relay is activated and the light or any load is turned on. Here is one of the interesting 555 timer circuits to trick your friends while studying electronics in schools. This circuit is constructed using basic electronic components like resistors, transistors, relay, transformer, capacitors.
The old and omnipresent ne555 can be very good at something it was not meant for. A touch switch is basically a simple switching circuit activated upon a touch. In the first circuit, pin 2 must see a low for the circuit to activate. Diode d1 detects clap signals and the resulting positive voltage is applied to the base of. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. Momentary button as onoff toggle using 555 todbot blog. A clap switch circuit is a sound sensitive circuit. Browse through a total of 3 555 timer circuits and projects including the timers datasheet. When you clap for the second time, the relay is deactivated and the light is turned off. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor.
Pdf analysing efficiency and effectiveness of clap. The circuit can activate any ac or dc device connected with. The ne 555 based clap switch is cost efficiency arduino based clap switch is generating. Clap switch circuit is not new idea for the electronics hobbyist. If you want to make your own pcb, i have included the eagle cad pcb files.
This on off touch switch circuit is based on the well known timer ic 555 ic1, which drives a relay that acts like a switch. This clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise. This sound controlled light can also be used as sound detection sensors. This is simple clap switch circuit diagram using relay. The circuit is build around a famous 555 timer ic which is wired as an astable multi vibrator here. The 555 timer is a very versatile 8pin, which can be configured with a few external. Pdf analysing efficiency and effectiveness of clap switch. The circuit is called a bistable because it is stable in two states. Pdf this paper presents the design of a clap activated switch device that will serve well in different. In this project guide, were building a touch switch circuit using ne 555 ic. If sufficient static voltage is detected by the plate, the chip will change state. Clap on clap off circuit is the circuit which can be used to control variety of electronic equipment by just a clap.
Clap switch circuit for devices circuit working and. This circuit has many applications on places where it is necessary to activate and deactivate connect and disconnect an electrical or electronic device. Here we are using 555 timer ic in monostable mode, whose output pin 3 of 555 ic has been used as a clock pulse for dtype flipflop. An170 ne555 and ne556 applications 555 timer circuits.
Clap switch circuit diagram using 555 ic eccircuit. This circuit can switch on and off a light, a fan or a radio etc by the sound of a clap. This is a touch switch version of the 555 switch connected as monostable multivibrator. In this circuit the 555 timer is used in a novel way, as a voltage controlled switch. In the first circuit, i will control a single relay using clap switch. You can use this circuit concept in many ways to activate sound based project. 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 on clap off switch circuit diagram this is another clap on off circuit diagram using 555 timer and 7474 ic. The 2n2222 shall perform an amplifier able to sense slight loads on the plate such as static electricity from the human body. Here we are using electric condenser mic for sensing the sound, transistor to trigger the 555 timer ic and 555 ic to turn on. Applications 1this circuit can switch on and off light a fan or a radio etc. 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. The circuit for clap switch is not a new idea for electronics hobbyist. This clap operated on off switch circuit is useful to on off any appliance. Clap switch circuit using 555 engineering projects. It might look neater if you draw the circuit diagram on to the board before you begin.
But when i test the circuit from the 3904 transistors nothing. But on the power onoff cycle of whole circuit, ckt switches the second relay once. Clap switch project report pdf ppt download abstract. The metal surfaces can have what form we want, but it should be clean and very close to the circuit. This onoff switch circuit using a 555 timer is simple, useful and easy to implement. Touch switch and touch onoff circuit 555 timer circuits. This circuit switches the second relay perfectly on the power onoff cycle of first realy. Ne555 and ne556 applications an170 1988 dec 4 where t is in seconds, r is in ohms, and c is in farads. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. As you know, nese 555 is a very popular timer ic with multiple applications in different projects. Clap switch circuit on breadboard sound triggered led. How to make a clapclap on clapclap off switch circuit.
A clap on clap off switch is an interesting phenomena that could be used in home automation. Electronics club 555 buffer inverting buffer, not gate. This is a simple electronic project and mostly used to turn on and off ac appliances with the help of sound. Clap switch circuit using ne555 timer ic electronics. In this project i am going to show a very useful and beautiful flip flop circuit using timer ic 555. Clap switch circuit electronic project using 555 timer scribd.
Touch switch and touch onoff circuit the touch switch circuit will detect stray voltages produced by mains voltages and electrostatic buildup in a room. 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. We can also remove leds and place a fan or any other electric component on the output in order to get the desired result. The 555 timer ic can be used with a few simple components to build a bistable circuit, also known as a flipflop. One clap turns the load on and another clap turns it off. How to make a clap switch using 555 timer ic electronics diy. 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 operated and sound activated very sensitive switch circuit, which is controlled by clap detected by condenser mic. Condenser microphone, bjts, ne555 timer, decade counter, led, relays. The circuit which is provided in this report is the most simple and economical circuit for a clap switch. This is a simple and efficient circuit of a light sensor switch or light activated relay switch circuit using a 555 timer ic. Please follow clap switch circuit described on this. This voltage level trips the threshold comparator, which in turn drives the output low and turns on the discharge qualification of trigger pulse as seen by the timer 1 switch grounded at this point ovolts vcc vcc vcc vcc 10k 2 555. Simple clap switch circuit using transistors tested. Clap switch circuit is the local name of sound controlled flip flops. The 38khz irtr module is a compact design of an infrared transmitter and receiver board. The clap switch circuit is yet another simple and cool project. How to make a clapclap on clapclap off switch circuit hi all. Although its name is clap switch, but it can be turned on by any sound of about same pitch of clap sound. It produces a small electrical signal which is amplified by the succeeding transistor stage. After a long experiment here we design and verified a simple clap switch circuit.
The circuit in this article needs capacitor c1 to be charged to over 23 vcc to turn off. Hw687 is one easy module for adding speed regulation to your next dc motorbased project. The ic that we will be using is the 555 timer ic, which has many more uses than just debouncing. Ic 555 timer in this circuit is wired like a monostable oscillator. The main component of the circuit is the electric condenser mic. Clap on clap off switch circuit diagram using 555 timer ic. Figure 2 is the scoped monostable circuit using a 555 timer, showing the same action.
Touch plate mp1 in order to close the contact of relay rl1 on, or plate mp2 in order to open the contact of rl1 off. Clap switch circuit diagram using 555 ic ankit jat. Mini project reportsound operated switch using 555 timer ic. This circuit functions on using the sound energy provided by the clap which is converted into electrical energy by condenser microphone. Pcb layout tips for a clap switch circuit pcb design blog altium. In a simple clap switch circuit, the 555 timer is configured to be in the monostable mode. Im interesting to build a circuit by using 555 as a switching controller.