This is an interesting and simple to make two player Arduino game that can be made in less than a day.

Cheap and easy-to-build VFO device that is almost indispensable in radio engineering, especially in DIY radio receivers.

The main advantage of this sensor over standard MEMS Acceleration Sensors is in its ability to distinguish between actual seismic activity due to an earthquake and signals due to other causes.

The Arduino RGB Led strip VU Meter device is extremely simple to build, and contains a minimal number of components.

This is a custom version of the Hunter game with 10 LED and LCD display to show the score, followed by various sound effects.

Explore how to use DS1302 RTC for a custom Arduino-based alarm clock with adjustable settings and a loud buzzer.

A modern replica of the so-called "E-Meter", device used in Scientology practices which costs several thousand dollars.

How to make a stand-alone analog quality VU meter with instruments from an old unusable audio device.

Follow along as we finish our life-size Rock 'Em Sock 'Em Robots, design a custom PCB, and test our robots in the ultimate battle.

This is useful for HAM radio beginners along with SW listeners who monitor CW communications without knowing Morse Code.

This is the stand-alone capacitance meter that you can make using only two electronic components.