Raspberry Pi HATs offer small, stackable data acquisition with features like analog and digital I/O.

robotic arm that’s designed to be stronger and more capable than what we’ve seen so far from the DIY community. The secret? Rather than using servos, dARM uses brushless DC (BLDC) motors ...

Today, we shall talk about how [Adam Bäckström] took a DS3225 servo and rebuilt it to improve its accuracy, then built a high-precision robot arm with ... of the OpenServo project, and we ...