Arduino sensor projects blend coding with tangible results, making learning interactive, practical, and fun. From simple LED triggers to multi-sensor systems, these builds teach real-world electronics ...

These days, even an old Game Boy will set you back $100 or more, and a new handheld console will be many multiples of that.

From classrooms to backyards, makers are building Arduino-powered solar trackers to squeeze every drop of energy from the sun. These devices use sensors, motors, and clever designs to keep panels ...

There are lots of smart home systems that will let you blast your older dumb appliances with infrared to control them.