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Thanks Dave, There are doubtless some similarities but lots of differences too. Like record lengths and bit rates to start with. The two sets of hardware serve different purposes and have different parameters but moth seem to have a similar mind set to the design. Good to have the link you...

Ok, it took a while but I did get back to looking at that UART data. It's all binary and I presently lack a pressing need to tease it out further. However, knowing that somebody else on this planet will have the same bent as myself, I should summarize what I found here. All data is at 1200bps...

Yes. That's how I concluded it worked. I was just a little mystified that on first look the data did not look to be framed as I expected from a UART as I couldn't see the regular stop / start bit transition although I could see it was a regular bit rate. Thought they may have rolled their own...

Thanks. You have confirmed my thinking. A scooter is little different to an e-bike, electrically. This one is a little different inasmuch as their is no +5V wire but there is an analogue throttle line (I measured 0.8 to 3.6 V). The 6 wires from right to left in the photo are: Red +52V...

Thanks Dave, Here are a couple of stock pics of the hardware. I'll snap a shot of the wiring when I get to the workshop. BTW, do you recognize that JP logo on the controller? Looks like 3 circles in the middle arranged to represent phase wires. I'd like to track them down but 2 letters is...

Hi, Trying to understand the wiring and signals between throttle and controller. I have it working again but think I just got lucky. First, some background. My son's e-scooter was running rough recently after taking it through flood waters. Probably 100+ mm deep. Water entry seemed obvious but...

Hi, Thought I should announce myself. I'm a retired electronics design engineer from Australia living about 50 miles north of Sydney. I always figured I needed to catch up on the BLDC scene in case I ever needed to maintain my own mobility scooter some day! What's brought me here right now is...