u/BadBacksFuryToad

Completely free, unrestricted parking the entire length of this road. So this smallbrain decides to just park squarely on the pavement.

Task was to create an ESP32 that connected with Yanyang BMS via Bluetooth and send information to Home Assistant via ESPHome.
Now got a working unit that gives me: Battery SOC, Battery Voltage, MOS temperature, voltages of each individual battery cell.

This came after I replaced the dead original BMS in my Super Soco battery with an AliExpress BMS, which comes with Bluetooth connection to the Yanyang BMS app.
It’s working as a BMS only refit. My suspicion is it would likely work if you’ve bought an entire Yanyang battery unit, but I don’t know for sure.

If you’re in the niche position of running Home Assistant, a Yanyang-enabled battery, and have a spare ESP32 Bluetooth/Wifi unit,… and want to monitor your battery or automate your charging, get in touch. Happy to send you the code to see if it works on other setups.

(I’ve combined it with a smart plug so I can set it to automatically charge based on my solar panel generation / cheap electricity / calendar items. Can also monitor the exact energy use on charging the bike.)

Maybe this is helpful for someone. I recently replaced the BMS in my battery for a Yanyang one from AliExpress after the OG failed completely.
The AliExpress listing failed to mention that their BMS is incompatible with the older 4GEU unit. (My bike is a 2020 EU model)

Since the replacement I have had huge issues with the bike losing power and giving me fault codes. I couldn’t ride for more than about 5 minutes without the bike reducing power from the battery to about 26amps. Sometimes a restart would help, but not all the time. But something would go wrong soon after anyway.

All readings from the YY battery app told me that the battery was working really well, but the problems seemed to be with it going into a kind of limp-mode.

The problem has gone away simply by unplugging the 4GEU unit. (It wasn’t working anyway because it’s from before Suoer Soco was sold to Vmoto and the servers were deactivated.)

Today I’ve ridden about 20 miles with no issues. Full power. Speedometer working. No errors. Still want to do more test rides, but so far so good. A huge relief.

TL:DR - basically a Yanyang battery or BMS replacement looks like it could work with an older 4GEU model if you disconnect the defunct 4G module.

The council wants us to collect old cooking oil in jars and put them in the bin. It’s better than pouring it down the plug, obviously, but I can’t help thinking there must be a use for it.
Never enough to collect and go through the process of turning it into biodiesel, but has anyone found any smaller uses for it?

Now my battery is working again it was time to get back to the customising. This bike is inspired by Japanese manga - Kaneda’s bike from Akira, Briareos from Appleseed and the mono-bikes from Venus Wars.

Wanted this headlight setup to be reminiscent of mechs and cyberpunk-style tech. Considering adding extra “eyes”, but we’ll see.

Will post a video of the rear lights in the comments.

Spent all day replacing the BMS today. Some of the most difficult and worst soldering I’ve ever done, but battery charging again and a small test in the bike seems to be good news.

I hope that soldering stays connected because I did not enjoy any of this and I really don’t want to take it apart again. 🤣

Started to document the whole thing to make a YouTube video to help others out, but the whole vlogging thing is time consuming and irritating, the battery ran out in my GoPro and I gave up. Sorry! Hats off to people who do manage to film/edit this sort of thing without going nuts.

Any ideas?
Bike worked fine yesterday. Went to charge/start up today and this…
Charger not registering charge so light blinking red/green. Bike will not do anything on battery. If charger is plugged in and on, the bike will begin startup procedure but stall and whole thing dies.
Worked fine yesterday. No charging between yesterday and today. I think it was on about 30% yesterday when it was last on.

Saw these strange iridescent spots on the surface today. Not sure what it is. Pond is about 2 years old and this is the first time I’ve seen anything like this. Pond is bog-filtered and very oxygenated.
Any advice on how to get rid of it? Thanks!

A while ago someone asked what everyone’s silliest automation was and I’ve just been reminded that The Hound from Game of Thrones informs me when my heatpump is in high power mode.

If you have a headlight setup like this (not this exact one, I’m building it) and both lights come on with low beam, but one light is above 850mm from the ground and the other is below.. which and how would you measure headlight aim?

Thanks!

Following on from my previous post about relocating the number plate..
I hated the silly positioning of the stock number plate bracket so I cut it off, dropped it down and made a cover for the where it used to be to tidy everything up.

Rear lights have been repositioned too. Now fitted multifunction rear/brake/indicators under the seat.

Much prefer this layout.

What mods have you done?

I’m leaning my EV bike towards an Akira-inspired thing. I have a plan for the rear hugger and lighting setup. Don’t want to change the base bike that much but considering I’d like to change the headlight assembly to something a bit more cyberpunk.
Nothing drastic or crazy fabricated (I don’t have the skills or equipment for much). Needs to be LED-lit.

Any ideas or parts suggestions?

Bought new body panels for my Suoer Soco, so now it’s red and I have to decided whether to put Akira stickers on it.