Clap switch working pdf

Use custom search function to get better results from our thousands of pages use for compulsory search eg. Pdf design of a clap activated switch researchgate. It also takes into considerations the illiterates that may. The condenser microphone picks up the sound of your claps, coughs.

Basic types of switches are spst, spdt, dpst and dpdt. Simple clap switch circuit using transistors tested. We will use two basic clap switch circuit diagrams i. The only unusual component is the single coil latching relay. We already seen the right part of the circuit in how to get the monostable output using 555 timer.

Clap switch a mini project report submitted in the partial fulfillment of degree of bachelor of technology. Two transistors cross connected as a bistable multivibrator change state at each signal. Search cloud what is the conclusion of clap switch important. Design and construction of clap activated switch ijett. When the mic get the clap sound or the sound of whistle, a negative going pulse appears at the common input of the bistable. Clap on clap off switch circuit diagram using 555 timer ic. This circuit can switch on and off light a fan or a radio etc. You know, the kind where you clapclap and the light turns on, clapclap again and the light turns. Working and schematic diagram of clap swith circuit. This circuit can onoff a 220v electronic device like fan, lamp by the sound of clap. Ne555 timer ic which is configured in monostable mode 2. Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound.

These signals are then given to the transistor t1 base which in return trigger the ic1 pin2. I will present two circuits for clap switches, both of these circuits will be based on 555 ic and 4017 ic. Lakshmi sowmya11004215 has been carried out in under my supervision and that this work has not beensubmitted elsewhere for a degree. The clapoperated circuit is a circuit which operates by clapping from a remote point. This is a project on clap sw itch which can switch onoff any electrical circuit by the sound of the clap. Employs the principle of electrostatics and consequently, require voltage supply across the capacitor for it to work. It is known as clap switch, because the condenser mic which. Here we are using electric condenser mic for sensing the sound, transistor to trigger the 555 timer ic and 555 ic to turn on.

The single pole single through spst is a basic onoff switch that just connects or breaks the connection between two terminals. In this clap switch, circuit clap is acting as a pulse for the flipflop circuit. How to make a clapclap on clapclap off switch circuit. We have already seen the circuit diagram, working and applications of 9 way clap switch circuit. Clap switch circuit for devices circuit working and. How to make clap switch circuitsimple clap onoff switch. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound. Control led by clap using arduino and sound sensor. Clap switch circuit diagram using ic 555 circuit digest. Condenser mic basically converts sound energy into electrical energy. It produces a small electrical signal which is amplified by the succeeding transistor stage. Working principle of clap switch circuit is based on the above discussion.

It switches on and off electrical appliances with a sound of clapping hands. 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. Clap pattern based electrical appliance control irjet. This could be likened to the stopwatch system used in the international.

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. Clap switch circuit for devices circuit working and applications. Clap switch is a basic electronics miniproject, made with the help of the basic components. Pdf analysing efficiency and effectiveness of clap switch. Unfortunately rereeling is not available at the present time for this item. Electrical engineering stack exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. At the time when some one slap in front of the mic the sound signal is converted into the electrical signal by the condenser microphone. If you are a beginner electronics learner, and love to do new project experiment then this is a great circuit for you. Clap switch circuit rookie electronics electronics. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. This is a simple clap switch circuit diagram project. Now, we are going to deal another circuit named clap switch circuit for devices. Using these circuits, you can control electrical appliances.

It uses an electret microphone as a transducer for converting a clapping sound into an electrical signal. Deepak nandi present an clap switching work prior to. What are the advantages disadvantages and applications of. The circuit changes its output state only when you clap twice within the set time period. In this project it gives knowledge of 555 timers, i. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row.

Clap switch working consider the above circuit into 2 parts, the job of the left part of this circuit is to give the low signal to the right part, which has 555 timer. Certificate it is certified that the work contained in the thesis titled clap switch byg. 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. Pdf this paper presents the design of a clap activated switch device that will serve well. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor. 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. Pdf clap switch a mini project report submitted in the.

Olokede, seyi stephen 45 communication flow when need be. The motivating force behind this design is based on the desire to alleviate the problem faced by the aged and physically challenged persons in trying to control some household appliances. 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 using transistor electronic projects, power. It contains four master slave flop and also contain divide by two and divide by five counter. It is known as clap switch because the condenser mic. Simple clap switch circuit diagram using relay clap on. This is a simple clap switch circuit with high sensitivity.

When you clap or puff on face of the microphone, microphone transferred the sound of clapping into the electrical energy. The usart is used to debug the code and help understand how the software works. Clap switch work then i found lots of various information and ideas about this project i intended to do the most fascinating thing about these idea is that you. In a flipflop circuit, at a time only one transistor conduct and other cutoff and when it gets a trigger pulse from outside source then first transistor is cutoff and 2nd transistor conducts, thus output of transistor is either logic0 or logic1 and it remains in one state 0 or 1. The major advantage of a clap switch is that you can turn something e. When you will by the condenser mic, it will come without wires and you have to solder two wires for either polarity. Clap switch circuit is a basic electronics project, made from the basic components such as ic 555 timer. The sound of clap is received by a small microphone that. To turn onoff any appliance, you just have to clap twice.