Explore how a basic LED can be used as a tiny solar cell, generating measurable voltage under sunlight. This hands-on ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide ...

IKEA has announced over 20 new Matter-connected smart home products coming to market soon. Best known for its furniture, ...

Regular Christmas trees don’t emit light, nor do they react to music. If you want both things in a holiday decoration, consider this build from [dbmaking].  An ESP32-D1 mini runs the show ...