We programmed the Adafruit RP2040 to play music when you hit the keys. It changes octaves when you rotate the rotary encoder.

A quadrature encoder uses two output channels offset in phase to detect both direction and position with greater precision.

Designed by Nova Radio Labs in the US, the Novaduino Environmental Sensor Kit is an Arduino-programmable air quality and ...

We suspect kids today — and some adults — are confused about phone terminology. In today’s world, “hanging up” and “dialing,” ...