DIY FM Radio: HEX3653 FM Radio Module

Practice. It takes a whole lot of practice to get better with any skill. To this end, projects should be aligned to learn or practice skills with each one. Case and point, is this small FM Radio Module kit readily available on a lot of online sites. The module is built around the FM Radio […]

DIY Bench Power Supply

A power supply is an inevitable part of every Electronics Bench. Not only is it ubiquitous on the Lab bench, but it is also a common project for beginners in the field of Electronics. A linear regulator or switching regulator design is commonly found as a project in classrooms ang hobby labs. With the availability […]

BJT Astable Multivibrator

A quick build and design of an Astable Multivibrator using PN222 NPN BJT transistors. Blinking lights are ubiquitous as common amusements in the electronics hobby community. Who doesn’t like Blinky things? Important design considerations:-R1/R2 should be sized alongside Rb1 and Rb2 such that the transistors saturate when turned on-C1 and C2 are charged through Rb1/Rb2, […]

“Simon says…” Arduino LED game

The 80’s and 90’s were a wonderful time for the realm of Electronics toys. This was the age of the implementation of the affordable computing into toys. Notable mentions would include the entire Mattel Electronics lineup of portable digital games, Nintendo’s early LCD game “Game and Watch”, and even the first true “multi-game” portable “Merlin”. […]

LED Color Organ Speaker

Back in the the times of Discotheque, aside from copious amounts of bell bottoms and hair grease, came a curious trend of devices know as “Color Organs”. These devices would light up different patterns to the beat of the music. The concept lived on within the LED VU meters of audio machines and Audio spectrum […]

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