Decorative lighting has become quite popular, with options such as LED surface panels, strip lights, COB lights, spotlights, ...

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

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I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting ...

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