The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...

Building on that concept, the next objective was to create an even smaller FM radio compact enough to fit inside an earbud.

One of the most effective ways to reverse this trend is to cultivate a love for engineering early in life, and DIY electronics and projects are powerful tools in achieving this goal. When children and ...