# Electrical Engineering Lab 1 The Clapper Circuit Report

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I have a lab report in Electrical Engineering about "Clapper". I need to change everything in the report including the pictures attached there. Please, I need it as an original work.

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Lab 1 The Clapper Instructor Name: Student Name: Date: Objective The objective of this experiment was to make students familiarize with the working of clapper circuit and design a clapper circuit in lab. Theory The Clapper is a gadget that uses a sound-activated switch sensitive to hand clapping, to turn off and on any appliance that is plugged into it depending on the number of times you clap. The clapper can be designed and fabricated using the phase-locked loop (PLL) tone decoder LM567. This circuit comprises tone generator, speaker driver and speaker section. The basic parts of a clapper circuit are shown in the following diagram: Components Condenser Mic: Condenser Mic is a censor, which helps in converting audio signals to electrical signals. Operational Amplifier: Operational amplifier is an amplifier which have high impedence and high output used to perform mathematical operations by using voltage. This amplifier consisting of two high impedence inputs one of them is called inverting input labeled as minus (-) and other is called non-inverting input labeled as plus (+). There is also athird terminal which represents the operational amplifier output. Timer: The 555 Timer IC is an integrated chip used in many timers, oscillator applications and pulse generation. It can be used as flip flop element to provide time delays. D Flip-Flop: The D flip-flop traces the input, making transitions with match those of the input D. The D termed for "data"; this flip-flop stores the value that is on the data line. It can be thought of as a basic memory cell. A D flip-flop can be made from a set/reset flip-flop by tying the set to the reset through an inverter. Bipolar Junction Transistor: Bipolar Junction Transistor is constructed with three doped Semi-Conductor Regions (Collector, Base and Emitter) which are separated by P-N junctions and is considered as Semi-conductor device. Relay: Circuits are open and close electronically and electromechanically by switches and these switches are called Relays. They control the circuit by closing or opening contacts in another circuit. From the figure we can see that when contact of relay is normally open then open contact is there and relay is not energized. Resistors: Resistors are device that used in a circuit which allow the limited the total amount of current to pass. A resistor is two-terminal component that ensures electrical resistance as circuit component. There are various type of resistors one is called potentiometer which consist of fixed and variable resistors. Capacitor: Capacitor is an electronic device that stores the electrical charge containing conductors which are separated by insulators. Capacitor is a passive device with Two terminals component that in a electric field stores a potential energy. And its energy is depending upon the amount of current provided. Working Principle: The electrical condenser mic is required to detect the applaud sound and procedures it to give an electrical flag as a yield to control the circuit. The operational intensifier circuit is utilized as a comparator; any sound flag, which is underneath the limit extend, won't get past. On the off chance that the sound flag gets over the edge, the enhancer will give a yield, which will trigger the 555 clock IC. The edge i.e. affectability of the mic, can be altered by changing the variable resistor connected with the mic. In the wake of trigging, the 555 clock IC will give the beats to the flipslump, contingent upon the beats given by the 555 clock IC, the flip-tumble will trigger the hand- off through the transistor and kept up its state when the two applauds are made and will reset if another two applauds are made. The flip-tumble will give its yield as per its reality table. The yield of flip-flounder is associated with the hand-off through a BJT. The BJT is arranged as a switch here. There are a few reasons why we interface a BJT is associated alongside the Transfer. BJT has quick DC exchanging, separate the circuit from the heap and the above all it gives substantially higher current to stimulate the hand-off which flip-flounder can't give. At long last the transfer will turn on the required gear i.e. driven for our situation will turn ON and remains on until the point when another two applauds are made. In the event that the flip-flounder is absent, at that point the drove will be killed instantly after the two applauds are made i.e. it won't remain ON. Equipment Required Resistors Capacitors R1, R2, R4, R5, R10 = 10,000 ohms C1, C2, C3, C4 = .1 uF DISC R6 = 150,000 ohms C5 = .47 uF Electrolytic R7, R9 = 100,000 ohms R8 = 1 mega ohm ICs and Transistors R11 = 220 ohms C1 = 741 OP AMP R3 = 100,000 ohm trimmer POT C2 = 555 TIMER C3 = 4013 Dual D Flip Flop Other B1 = 9v Battery K1 = SPST reed Relay 5v DC coil Q1 = 2N2222 NPN MIC = Electronic Microphone Schematics The designed circuit was as follows: Procedure The experiment was conducted in following steps: 1. Required components were gathered and labelled. 2. The values of resistors and capacitors were measure before connecting the components. 3. The circuit was connected according to the schematics. Discussion and Conclusion Through this experiment we learned how to build circuits involving a lot of components. This was more like a project and we built a real device using basic electronic components. The objective of this experiment was to design a clapper which was effectively fulfilled. We learned not only about the working of clapper circuit but also the working of basic ICs such as LM 741 and 555 etc. These concepts will help us a lot in future experiments also in applying theoretical knowledge practically. ...
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achiaovintel
School: Carnegie Mellon University

Attached.

Clapper Circuit Lab report outline Paper
The paper covers the following parts
1.0. The objective
2.0. Theory
3.0. Components
1. Resistors
2. Bipolar junction transistor
3. D-flip flop
4. Timer
5. Capacitors
6. Condenser Microphone
7. Relays
8. Operational amplifier
4.0. Working Principle
5.0. Equipment required
6.0. Schematics
7.0. Procedure
8.0. Results
9.0. Discussion and Conclusion

The attached document is the outline paper. I will be uploading the final paper in a short while.Thank you
Hi, kindly find the attached document. In case of any question feel free to ask.Thank you

1

Clapper Lab Report
University Name
Department
Course Number
Course
Instructor’s Name
Number of Students
Lab Date

CLAPPER LAB REPORT

2

1.0.

Objective .............................................................................................................................. 3

2.0.

Theory .................................................................................................................................. 3

2.1.

Components...................................................................................................................... 4

2.1.1.

Operational Amplifier ............................................................................................... 4

2.1.2.

Condenser Microphone ............................................................................................. 5

2.1.3.

D Flip-Flop: .............................................................................................................. 6

2.1.4.

555 Timer IC ............................................................................................................. 7

2.1.5.

Bipolar Junction Transistor ....................................................................................... 8

2.1.6.

Relay ......................................................................................................................... 9

2.1.7.

Resistors .................................................................................................................... 9

2.1.8.

Capacitor ................................................................................................................. 11

2.2.
3.0.

Working Principle: ......................................................................................................... 12
Equipment Required .......................................................................................................... 12

3.1.

Capacitors .................................................................................................

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Anonymous
Thanks, good work

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