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. 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. Diode d1 detects clap signals and the resulting positive voltage is applied to the base of. The clapoperated circuit is a circuit which operates by clapping from a remote point. F8de power transistor switch circuit manuals wiring library.
The mic 1 condenser microphone is used here as sensor, senses the clap sound and further convert it into electrical signal. Clap switch is a basic electronics miniproject, made with the help of the basic components. This circuit can be used as rain sensor, water overflow sensor or as a water level sensor. Ic 555 timer in this circuit is wired like a monostable oscillator. Clap switch project report pdf ppt download abstract. Clap switch circuit diagram using ic 555 circuit digest. Clap switch a mini project report submitted in the partial fulfillment of degree of bachelor of technology. 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.
Clap on clap off switch circuit diagram using 555 timer ic. Electronics mini project hello friends, this post provides you a simple mini project of clap switch. Electronics, circuit diagram, schematic diagram, electronics projects, diy projects, mini engineering projects. This is another clap on off circuit diagram using 555 timer and 7474 ic. We are going to use a mic and uno to sense the sound and trigger a response. C 555 is connected as comparator with pin 6 connected with positive supply, the output goes high1 when the trigger pin 2 is at lower than level of the supply voltage, conversely the output goes low0 when it is above. Power transistor switch circuit manuals electronic circuit symbols.
Ne555 timer ic which is configured in monostable mode 2. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. The clap switch circuit using 555 is build around timer ic 555, decade counter ic cd 4017, few transistor, mic and few passive components. It uses an electret microphone as a transducer for converting a clapping sound into an electrical signal. One of these transistors drives a heavier transistor which controls a lamp. Now, by clapping again, the load must not go off rather we will manually shut the load off using a switch against the load.
Upon a single clap, the clap switch circuit should respond but should hold the relay on and the load should operate without interruption. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor. When clap the load is switch on and when again clapped then load is switch off. 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. Now, here is a clap switch circuit using 555, used to control any appliance by clapping five times. If you wish to on and off the device without a penny shifting from your space then this circuit is helpful for you. This circuit is constructed using basic electronic. This is a simple clap switch circuit with high sensitivity. Although its name is clap switch, but it can be turned on by any sound of about same pitch of clap sound. Picture of our burglar alarm project this circuit uses a popular timer i. This circuit can switch on and off light a fan or a radio etc. This is a clap switch, main component used is 555 timer. The circuit is divided in two stages the first stage is built with two 2n4401 transistors and second is built with 555 timer ic.
Build the circuit as shown in the breadboard layout and circuit diagram below. Clap switch circuit is a basic electronics project, made from the basic components such as ic 555 timer, bc547 transistors led resistors, capacitors etc. Condenser mic basically converts sound energy into electrical energy, that in turns used to trigger 555 timer ic, through a transistor. This clap on clap off switch basically turns on or off the device, by using the clap sound, as switch. Condenser mic basically converts sound energy into electrical energy. Signal from microphone is amplified by transistors t1, t2 and t3. Clap switch circuit is not new idea for the electronics hobbyist. Clap switch circuit diagram using ic 555 clap switch circuit diagram. Before you make a circuit glowing 220v bulb, learn about relay, otherwise, it can be dangerous. 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. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound.
Here is one of the interesting 555 timer circuits to trick your friends while studying electronics in schools. Here is a simple and interesting hobby circuit that can be made using the popular 555 timer ic. It produces a small electrical signal which is amplified by the succeeding transistor stage. The circuit will switch on the relay and an led when a loud sound is detected by the microphone for example clap, whistle or any other loud sound.
Clap switch described here is an interesting circuit of a clap operated toggle switch, realized using readily available inexpensive components. Now, we are going to deal another circuit named clap switch circuit for devices. A clap on clap off switch is an interesting concept that could be used in home automation. These circuits are not stable in any state and switch outputs after predetermined time. This clap switch circuit is designed using 555 timer circuit and some common electronic parts. Simple clap switch circuit using transistors tested. It contains four master slave flop and also contain divide by two and divide by five counter.
When you clap for the second time, the relay is deactivated and the light is turned off. 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 only unusual component is the single coil latching relay. 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 electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. Clap switch circuit for devices using 555 and 4017 electronics hub. Diode d1 detects clap signals and the resulting positive voltage is applied to.
This clap operated on off switch circuit is useful to on off any appliance. It is known as clap switch, because the condenser mic which. A clap switch circuit is a sound sensitive circuit. While there are numerous means of generating the latching function, the latching relay greatly simplifies the circuit and provides a relay contact. This clap on clap off switch basically turns on or off the device, by using the clap sound. This circuit is of a highly sensitive photoelectric switch using ne555 timer ic. 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. Electronics project and circuits easy to make mini electronics projects and model using free circuit diagram for student, hobbyist and educationist. Simple to learn and make electronics project for students and hobbyist. How to make a clap switchclap onoff switchusing 555 ic. Pdf analysing efficiency and effectiveness of clap switch. Apr 24, 2016 this is a clap switch, main component used is 555 timer. Here we are using electric condenser mic for sensing the sound, transistor to trigger the 555 timer ic and 555 ic to turn on.
This electronic switch allows you to control an electronic device by only clapping your hands twice. Clap switch circuit electronic project using 555 timer. Very sensitive clap switch circuit making easy circuits. This clap switch electronic circuit project operates from a distance of up to 10 meters from the microphone. A circuited switch, which operates with sound of clapping. Friends the circuit of the clap switch is very simple. If you are a beginner electronics learner, and love to do new project experiment then this is a great circuit for you. Mar 11, 2017 hello friends, this post provides you a simple mini project of clap switch.
Sep, 2017 friends in this video i will show you how to make a clap switch clap onoff switch using 555 ic and 7474 icsimple clap switch circuit. Clap switch circuit for devices circuit working and. This feature makes the circuit vulnerable to external sounds which might occur occasionally triggering the connected load with the circuit. In a simple clap switch circuit, the 555 timer is configured to be in the monostable mode. Introduction this is a project on clap switch which can switchonoff any electrical circuit by the sound of the clap. Nov 25, 2012 a clap switch is a fun project for beginners. It switches on and off electrical appliances with a sound of clapping hands. The ne 555 based clap switch is cost efficiency arduino based clap switch is generating. Jun 26, 2016 here is a simple and interesting hobby circuit that can be made using the popular 555 timer ic.
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. 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. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. Clap switch circuit electronic project using 555 timer free download as word doc. Both a touch and a contact switch are built on one pc board so that the builder can see how each works. We will use two basic clap switch circuit diagrams i. Pdf clap switch a mini project report submitted in the. Clap switch circuit for devices summary of clap switch 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. This sound controlled light can also be used as sound detection sensors.
The ic possesses an oscillation frequency ranging from 670 to 680 hz. This 555timer clap switch circuit electronic project is designed using some common electronic parts. I will present two circuits for clap switches, both of these circuits will be based on 555 ic and 4017 ic. Pcb layout tips for a clap switch circuit pcb design blog altium. On first clap, the circuit switches on and on another clap, it switches off. Here the simple circuit diagram of clap switch built using transistors. Engineering students, science students and for hobbyists. 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. A battery can power the contact switch but youll need an ac power supply for the touch switch to work well. The circuit which is provided in this report is the most simple and economical circuit for a clap switch.
Different types of electronics and electrical projects and circuit ideas. As you might already know, a 555 timer can be easily wired as astable, monostable or bistable multivibrator. Photoelectric switch using ne555 engineering projects. You can use this circuit concept in many ways to activate sound based project.
Using these circuits, you can control electrical appliances by simple clapping. This 555 timer clap switch circuit electronic project operates from a distance of up to 10 meters from the microphone. This will help us to search some objects in the dark, when you are watching tv or lying on bed etc. Clap switch circuit using 555 engineering projects. Diy kit 15 remote tester electronic diy kit with 2 leds. Using a toggle switch in the clap switch would offer two stable states for the circuit. To design and study the following circuits using ic 555. So this is the clap switch which will turn on with first clap and turn off with the second clap. 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. The circuit used to make a 555 timer in monostable is. How to make clap switch circuit using 555 timer ic homemade. 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. Clap switch circuit is the local name of sound controlled flip flops. Sound of clap is converted to electronic signal by a condenser microphone, which triggers the circuit.
All you need is to just clap or you can puff in front of the microphone and after that, the device. Use this circuit when you wish to turn a load on and off with a voltage at a low current. Today we are going to make a simple clap switch, how to switch on the lights, for a while, with a single clap. Pdf this paper presents the design of a clap activated switch device that will serve well in different. When you clap once, the relay is activated and the light or any load is turned on. A resistor with value between 220 ohm and 470 ohm is used in series with the led r3 in the circuit diagram. This circuit takes a nonlocking press button switch and uses the ubiquitous 555 timer to converts the switch action to a toggle switch. In this project we are going to make clapper circuit using the concept of adc analog to digital conversion in arduino uno. 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. Here, this ne555 timer acts as a monostable multivibrator. Jan 10, 2018 very sensitive clap switch circuit last updated on january 10, 2018 by admin 2 comments here we learn a simple yet very sensitive and powerful clap switch circuit, which can be used for operating a relay and switch onoff any electrical load or appliance. Condenser microphone, bjts, ne555 timer, decade counter, led, relays. We have previously built clap switch and clap on clap off switch, using 555 timer ic. Elonics electronics projects on breadboard 102,347 views 6.
Aug 30, 2018 we have already seen the circuit diagram, working and applications of 9 way clap switch circuit. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. Previously we had posted a simple clap operated switch. Clap switch using 3 different modules buildcircuit. If you want to make your own pcb, i have included the eagle cad pcb files. 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. In the first circuit, i will control a single relay using clap switch. Lm555, cd40, pdf file clap switch here is a clap switch which is used to turn onoff any appliance connected to it. Notes this simple circuit, built with a 555 and a few passive components, will energize and deenergize a relay at the push of a button.
So in this tutorial, we are going to make a simple step by step clap switch circuit using 555 timer ic the main component of this circuit is a ne555 timer ic. It works as a switch which makes devices on and off by making a clap sound. Mar 23, 2018 this is another clap on off circuit diagram using 555 timer and 7474 ic. 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. This clap switch mini project is useful for operating electric equipment like fan, bulb, radio etc. Applications 1this circuit can switch on and off light a fan or a radio etc. The 555 timer is a very versatile 8pin, which can be configured with a few external. Clap switch circuit using ne555 timer ic circuits gallery. 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. This clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise. This is a simple clap switch circuit diagram project. How to use the fully assembled clap switch kit for ac lamp. This circuit can switch on and off a light, a fan or a radio etc by the sound of a clap. Mini project reportsound operated switch using 555 timer ic.
Clap switch using transistor circuit wiring diagrams. When the ldr 1 is kept in light, the switch remains off, but when the light source is removed, the controller circuit gets switched on. The negative or gnd pin of the electret microphone is the pin that connects to the body of the microphone. Clap switch circuit electronic project using 555 timer scribd. Pdf design of a clap activated switch researchgate. In electronic circuits, there are many electronic symbols that are used to represent or identify a basic electronic or electrical device if the earth ground prong of a 3prong plug is clipped or missing. For getting the sound of clap we will use a small microphone in this mini project as shown in clap switch circuit diagram below. Along with some of the other components, this circuit is mainly based on the two ics i. Clap switch circuit with relay 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. Apr 06, 2016 clap switch breadboard layout and circuit diagram. Mar 21, 2015 switch circuit electronic project is designed using some common electronic parts. This circuit can onoff a 220v electronic device like fan, lamp by the sound of clap.
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