Want to make one for your desk? All it takes is an Arduino Nano R3 or comparable microcontroller, an RGB LED ring with 12 LEDs, a 16×2 LCD, a buzzer, and a momentary push button switch.

[Martino Facchin], Arduino’s chief of firmware development, talks about the problem they faced supporting two new boards from Nordic. The boards, the Nano 33 BLE and Nano 33 BLE Sense are based ...

Save for the Arduino Nano, it requires pretty basic electronic ... an ultrasonic sensor in front of the bin for sensing approaching people, and another ultrasonic sensor on the inside of the ...