Everybody knows that a dog barks to get his/her master’s attention, to alert other dogs, to...
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.
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...
Build Your Quick & Dirty Foam Cutter
Let’s make a quick and dirty foam cutter! Foam is an easy and cheap material for various...
An Easy 555 EC Sensor!
Aware that a particular circuit is needed to measure electrical conductivity (EC) of a liquid...
Audio Signal Injector
Audio signal injector is a must to have little tool for troubleshooting audio circuits. Connecting...
EL Wire Lamp Driver/Inverter
Aim of this article is to provide a simple circuit to drive EL (Electro Luminescent) components...