A custom PCB plugs into the GPIO header on the Raspberry Pi and provides some additional features, such as a rotary encoder for volume and brightness display, a control button, a serial UART ...

When [daniely101] wanted a split keyboard, he decided to build his own. It wound up costing $25 to create a wireless board with no custom PCB required. Each half has its own microcontroller, and th… ...

A team of Rice University engineering students has developed a high-tech vest to help blind dogs navigate their environments more safely and independently. The wearable, inspired by a Houston dog ...