The microcontrollers are cheap, the sensors are cheap, even the motors are cheap. So why are all the good wheeled robotics platforms so expensive? [Dimitris Platis] wanted to develop an affordable ...

ESP32-S31 Function CoreBoard gives developers a Wi-Fi 6, Bluetooth 5.4, 802.15.4, Gigabit Ethernet, USB OTG, and audio testbed.

A PCB ruler is a common promotional item, or design exercise. Usually they have some sample outlines and holes as an aid to PCB design, but sometimes they also incorporate some circuitry. [Clovis ...