Small FM Transmitter Circuit

A very basic and small FM transmitter circuit has been discussed in this article, using a single transistor transmitter circuit, which is small yet is able to communicate over a distance of around 100 meter.   FM Transmitter Circuit Description The offered system enables us to generate an FM transmitter, which includes an amplified microphone […]

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30 Watt Stereo Amplifier Circuit Using IC TDA1521

The post details how to build a simple 30 watt stereo power amplifier circuit using a single hassle free IC TDA1521   This little (yet strong) stereo very compact could be effortlessly repaired and troubleshot. This Philips monolithic integrated circuit TDA1521, that contains an ultimate dual BF with totally self-employed channels, each competent at delivering […]

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Simple 1000 watt Heater Controller Circuit

In this post we investigate a very simple triac diac controlled very reliable heater controller circuit. In in an attempt to come up with a light dimmer on your own, you may comply with this 1000 watt heater controller circuit diagram: Installating the drive (1000W max) The electrical diagram of the inverter is demonstrated below: […]

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Metal Detector for Identifying Metal Pipes, Nails, Cables

This metal detector circuit can be used for tracing out or locating concealed wires, nails, tubes or other similar metallic materials under a layer such as under walls, grounds, basements, wood furniture etc.   This gadget functions to identify metals of a specific dimensions from a distance of about 18-20 cm if correctly optimized. One […]

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