Aware that a particular circuit is needed to measure electrical conductivity (EC) of a liquid...
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.
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...
USB Mug Warmer
How to build a USB Mug Warmer? It’s easy if you have a little skill and patience! This...
Poor man’s Door Video Security Camera
This article describes a basic idea that can be used to build your own simple video security...
LED Strip & Microcontroller
This is a simple design guide for making your own really nice lighting for your home, office, shop...
Pin5 and 555 – An Abridgment
Let me have my say – it’s my habit to do things over again. Not a mere repeat of anything...
Simple Wireless Door Bell
Here’s an interesting circuit of a wireless door bell/buzzer for electronics students and hobbyists...
A Cute Night Lamp
Once again, here is the circuit diagram of a little night lamp wired around the evergreen 555 tiny...
Secure Water Pump Switch
Here is the circuit diagram of an independent water pump switch controller with ‘soft’ on/off...