An audio-light modulator is a funny device that controls the intensity of one or more electric...
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.
Inground Uplighter (AC230V LED Flasher)
Why use an inground uplighter (buried uplight)? The answer is simple – when lighting a static...
Automatic Thermo Fan Switch
Thermo fans are an important part of thermal management for high-power electronics because when the...
Start & Restart Timer Switch (Quick & Easy Spike/Surge...
You cannot prevent the power grid from going down and up, but you can take steps to ensure that an...
Power Sequencer – Little Design Ideas
The power sequence is the sequence in which the power is applied and shut down between steps in a...
Power MOSFET Module for Microcontroller
In many posts, we saw how to use a common transistor as an electronic switch to drive power loads...
Model Rocket Launch Controller
Most commercial model rocket launch controllers available to buy are either expensive or do not...
LED Strobe Primer – Part 2/Final
This is the concluding part of the LED strobe article published last year (). During this long...
White Noise Generator – An Analog Way
Welcome to the lovely sound of analog electronics! Now I’m building some white noise and pink...
TP5100 1S/2S Li-ion Battery Charger – Quick Review!
Even though I have a large collection of TP4056 modules for charging lithium-ion cells, I recently...