When 12-year-old Matteo Mucchetti mapped out an amusement-style attraction that he wanted to create in his family’s basement and then showed it to his older brother Nico, the high-school sophomore was ...

When [101 Things] didn’t want to copy Morse code, he decided to build a Pi Pico system to read it for him. On the face of it, this doesn’t seem particularly hard, until you look at the ...

Finally, eco-friendly music.

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...