Light activated switch circuit

admin July 9, 2014 98 Comments
A Simple Light activated switch Description. This is the circuit diagram of a light activated switch based on National Semiconductors comparator IC LM 311 and a LDR. The circuit is based on a voltage comparator circuit wired around IC...
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AM Transmitter circuit

admin November 27, 2018 81 Comments
Simple AM Transmitter Transmitters are devices that are capable of transmitting audio as radio waves from an audio device. There are two types of transmitters; FM & AM. We have many posts on FM transmitters, so we decided to...
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100 Watt Inverter Circuit

admin November 27, 2018 233 Comments
100 Watt Inverter-Circuit Diagram, Parts List & design Tips Inverters are devices that convert DC input supply to AC (alternating current). They are also called power inverters. Power inverters have numerous applications in power electronics field. It is used...
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Remote Control Tester Circuit

jacky November 15, 2018 43 Comments
Remote control tester Circuit Description This is a simple remote controller tester circuit  based on infrared sensor IC TSOP 1738. When the IR waves fall on the sensor it output changes to low state. This makes the transistor Q1...
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Remote controlled switch circuit

admin November 9, 2018 49 Comments
In this project, let’s build a simple Remote controlled switch for appliance controlling. If you know basic concepts of electronics, this circuit is pretty easy to build and test. The core of this circuit are two IC’s – which...
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Function Generator Circuit

admin November 9, 2018 22 Comments
In this circuit tutorial, we’re building a simple Function Generator Circuit which can generate waveforms – Sine waves, Square waves and Triangular waves. The core of this circuit is IC L8038 – which is basically a function generator chip...
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Lead acid battery charger circuit

admin November 9, 2018 188 Comments
In this article, we teach you how to design a simple Lead Acid Battery Charger circuit using an op-amp IC and some associated components. The core of this circuit is IC LM 317 – which is basically an operational...
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Single Chip FM Radio circuit

admin October 30, 2018 87 Comments
In this project, we’re building a Single Chip FM Radio. The heart of this circuit is a digital IC – TDA7000. The design involves proper use of inductors and capacitors with correct values. Since the IC is dedicated to...
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DoorBell circuit using UM 66 IC

admin November 9, 2018 25 Comments
Doorbell Circuit Description Related Posts: Melody Generator using UM 66 Door Bell Circuit Using NE555   The main objective of the doorbell circuit is to convert electrical signals (input) into audio signals (output) with a single press of a...
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