Sometimes you may want to detect the deflection of the needle of an instrument by a non-contact...
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 Throwies & Build Ideas
Here’s a project for fun – Magnetic LED Throwies! LED Throwies were invented in 2006 by the...
Simple Steam Sensor Build & AHS01IB Absolute Humidity Sensor
Some time ago I was asked by a voracious reader to design a simple steam sensor switch for him. The...
Mod Your Goodknight Gold Flash
I’m sure there’re a lot of electronic gadgets in your house that can be recycled. The...
Arduino Traffic Lights (v2) – Crosswalk Button
I finally got around to testing this concept – adding a crosswalk button to the previously...
Pool LED Lamps & Idea Sparks
Recently while searching for little floating toys, I came across some inexpensive Chinese LED pool...
Little Light Sensor Switch OPT101
Some time ago my neighbor asked me to design a better light sensor module. In fact, he already has...
Solar LED Lantern Torch – Quick Teardown
Have you ever wondered what’s inside this cheap Chinese Solar LED Lantern Torch? Although it...
Funny TV Faker (v1)
The Funny TV Faker project presented here is in fact a portable TV Light Simulator. A commercial...
Economic Ear Scout v1
Nostalgia is often caused by something that reminds you of a happy time. Is it not so? Oh...