January 2022 16
ESP-01/01s Relay v4.0
Posted By : Dave Hartburn

While buying something else, I spotted a small wireless relay module for £5 that looked useful, so I thought I’d buy one to investigate. It consists of a ESP-01s wireless microcontroller and a 5v relay.

December 2021 26
9g Micro Server (SG9) performance
Posted By : Dave Hartburn

When making a pan/tilt mount *link & article pending* for my PiRover robot, I ran into some issues with badly jittering servos. Following some suggestions on the excellent YouTube video from Gary Explains, did not