Circuit Diagram
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Lights and Display Board Circuits
Light activated switch circuit
This is a circuit diagram for a light-activated switch using the comparator IC LM 311 from National Semiconductors and an…
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Amplifier Circuit Diagrams
Latest mini projects in electronics with circuit diagram
1. Circuit Diagram Of High Power Audio Amplifier In this tutorial “Circuit Diagram Of High Power Audio Amplifier” you will…
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Signal Generators
Triggered Sawtooth Generator Circuit Diagram
The Triggered sawtooth generator shown in the diagram may be used with an oscilloscope. It is linear retriggerable and is…
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Signal Generators
Pulse Generator with One 4066 Circuit Diagram
A pulse generator is either an electronic circuit or a piece of electronic test equipment used to generate rectangular pulses. Pulse…
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Audio Circuit Diagrams
Audible Tester Circuit Diagram
The audible tester, which is very useful for testing parts of electronic circuits, consists of an oscillator that generates a…
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Home Automation Circuit Diagrams
LM339 Quad Voltage Comparator Circuit Diagram
The LM339 quad comparator is a quad operational amplifier comparator which means it is made up with four independent operational…
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LCD-LED Display
Digital LED Voltmeter Circuit Diagram
In this somewhat unusual digital voltmeter, the measurand (voltage to be measured) is digitized in an analogue-to-digital (A-D) converter and…
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Simple Circuits
Inexpensive Video Enhancer Circuit Diagram
Why we need a video enhancer? Usually, a video enhancer Enhances your video by adjusting its saturation, brightness, contrast, hue,…
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IR devices
Infrared signal repeater circuit diagram
An IR (infrared) repeater is a device that transmits the IR signal from remote control to somewhere it wouldn’t otherwise be…
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Frequency multiplier
Frequency Doubler / Frequency Multiplier Circuit Diagram
A frequency multiplier or Frequency Doubler is an electronic circuit that generates an output signal and that output frequency is…
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