Good lesson today as I tested out the battery status LEDs on the side of our main controller board; the polarising mark on the WS2812B smart-LED isn't on pin 1, in fact it's opposite pin 1.
I'd populated the board and had assumed the chamfered edge on the LEDs was …
Having designed the motor controllers the last main chunk of electronics needed is the stuff that wraps around the RaspberryPi. We're planning on using a Pi4 for two reasons. One is that we hope to exploit its processing power with a camera to do some tasks autonomously (time will tell …