The transmitter and receiver For the transmitter, he turned an Arduino Pro ... can you do with the ultrasonic transducers? You could wire a bunch of them to a Raspberry Pi to make a piano interface.

When comparing the Raspberry ... Raspberry Pi's 26 GPIO pins, especially the more advanced applications like multi-sensor weather monitors or home automation systems. That said, the Arduino ...

A DIY The Wrench maker has built a smart desk dustbin with an automatic iris-style lid, adding both functionality and a ...

[Isabelle Simova] is building Hoverbot, a flexible robotics platform using Ikea plastic trays, JavaScript running on a Raspberry Pi and parts ... such as ultrasonic distance sensors or LiDAR ...