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.

Articles Written 248

Quick Logic-Level MOSFET Tester

There is no doubt that nowadays we are seeing more logic-level MOSFETs being used in microcontroller-based hobby electronics circuits and projects. So this week’s little post is about building a quick go/no-go tester for the […]

Mini Alarm Loop v1

Mini Alarm Loop is a simple battery-powered security device to secure worthful goods outside of your home or office, such as bicycles, garden tools, furniture, etc. It sets off a sharp warning signal if severed […]

Door Status LED Indicator

This post shares the design idea of a simple and cheap door status display panel with tristate indicators. The tristate visual indication features three independent modes viz. steady red (busy indicator), steady green (free indicator), […]

Little LED Marker Light DIY

Inspired by some commercial automotive side marker lights, I recently built a general purpose 3-LED flashing marker light. It can be used as an attention light in and around your home, especially at night. So, […]

Steady Hand Game – STEM

Steady Hand Game, also known as Buzz Wire Loop Game is a tabletop game which involves guiding a metal ring (the wand) along a serpentine length of bare wire (the loop) without touching the wand […]