An Arduino Uno guards a running 12 V motor. It watches for a person coming too close, overheating, abnormal vibration, a tilted machine and a jammed shaft. When something is wrong it slows the motor, ...

What's a Starbie and why am I making it? A Starbie is a mix of a starboy and a Tamagotchi. Basically, it's a little digital pet that you can interact with, but instead of living on your phone, it ...

Two beams, one pour day, very different strengths? Calendar age hides the real story. Build it under ₹2500: an ESP32 and ...