Monitoring entry/exit doors on time is not always an easy task for everyone. Fortunately, with a...
Electronic Circuits
In this section you will learn and build simple electronic circuits projects. You will make interesting analog electronic circuits useful in daily life. Moreover, you will know electronic circuit design using circuit elements.
The circuits include home made electronic circuits, hobbyist circuits and prototypes.
LED Strobe Light DIY
Nothing mattering to see a circuit turning light emitting diodes (LEDs) on and off. If for certain...
Solid State Relay (SSR) Primer
Nowadays solid state relays (SSRs) can be found in almost every online electronics store, and SSRs...
Lifting Electromagnet – DIY
The quick way to build an electromagnet based project is to buy one lifting electromagnet with...
MORNSUN® B0505S-1W Review
Recently when I was developing a digital light controller project, I wanted to have the interface...
Ultra-Sensitive Knock Sensor
Here’s the simple circuit of an ultra-sensitive knock sensor for microcontroller-based...
Audio Signal Injector
Audio signal injector is a must to have little tool for troubleshooting audio circuits. Connecting...
Morse Code Practice Oscillator
I have received numerous requests for a simple, cheap and entry-level ham radio world project and...
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...