Day Night Activated Triac Switch Circuit

The purpose of the discussed triac based day night activated switch circuit is to automatically switch OFF a given ¬†electrical appliances and peripherals during day light and vice versa, this could be a lamp, an alarm, etc. Generally speaking, this is a type of photoelectric relay which is driven directly through the home’s mains electrical […]

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Automatic Darkness Activated Porch Light Circuit

The post explains a simple dark triggered porch light or corridor light circuit using a single IC 741 and few other passive components. This arrangement enables you to automatically switch on your porch lights while when evening stes in or at nightfall. It could additionally be applied to activate the backyard lights at night and […]

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Programmable Musical Organ Circuit

In this post we are going to construct a musical organ circuit whose musical tone can be programmed by adjusting 10 pre-sent resistors in the circuit and the speed of the music played can also be controlled. The proposed circuit is based on IC 555 and IC 4017; it has two IC 555s and one […]

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Simple Clap Switch Circuit using Transistors (Tested)

Below is a simple clap switch circuit for electronics amateurs which could turn on & off a bulb, Fan, Radio and so on., through the noise of clap. The sound of clap will be captured by a tiny mic which is indicated through a biasing resistor R1 within the circuit. The mic transforms sound influx […]

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