April 2023 08
Lego Mindstorms EV3 and remote control
Posted By : Dave Hartburn

The Lego Mindstorms EV3 is the programmable ‘brick’ at the heart of the Lego Mindstorms system. However one thing lacking in Mindstorms is remote control options. There is an infrared controller, but this has a

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