Most commercial model rocket launch controllers available to buy are either expensive or do not...
555 Timer Circuits
555 Timer IC in electronics is a chip used for building hobby electronic circuits such as timers, motor control etc.
Here you will learn interesting 555 timer projects and 555 timer experiments.
Sawtooth Wave & 555 Timer
This guide details how to build a simple sawtooth wave generator using the venerable 555 timer chip...
Door/Window Knock Sensor – Simple DIY Project Ideas
Recently I came across a dirt-cheap knock sensor module labeled as Keyes KY-031 Knock/ Impact/Hit...
Audio Induction Loop Receiver (Quirky Ideas)
Little version of the audio induction loop receiver presented here can serve a variety of purposes...
Poor man’s Dog Silencer/Whistle
Everybody knows that a dog barks to get his/her master’s attention, to alert other dogs, to...
Musical Doorbell
How to build a cheap and cheerful musical doorbell using a few electronics parts laying around? I...
Mains Resumption Alarm & Emergency Light
The common mains power resumption alarm will activate an internal buzzer in the event of a mains...
Fishing Light Attractor – DIY
Using light is a common way to trap fish in fishery industry. Attracting fish by using artificial...
A Junk box 555 PWM Generator
Often you’ll need a simple pulse width modulation generator circuit to test or run small dc...
An Isolated 1 Key Touch Pad Project
With this article, I’m trying to share one simple idea on how to build a single-key touch pad...