An Electric Scooter Community on a Mission to Stamp out Transportation Mediocrity.

Enjoy the juice
#57041
memetrader wrote:
Thu Jun 16, 2022 4:29 pm
is the tutorial for how to downgrade these chips released? no way would anyone actually MAIL and pay this idiot to flash the chip.
I have a lime s 2.5j on the santa FW 2.4.26, where the old posted enable codes no longer work. Looking for a way to use an arduino MEGA to send enable codes directly to the motor controller.
Hi, did you find a solution for DIY downgrade? Thank you in advance
#57380
memetrader wrote:
Thu Jun 16, 2022 4:29 pm
is the tutorial for how to downgrade these chips released? no way would anyone actually MAIL and pay this idiot to flash the chip.
I have a lime s 2.5j on the santa FW 2.4.26, where the old posted enable codes no longer work. Looking for a way to use an arduino MEGA to send enable codes directly to the motor controller.
Good luck getting the old firmware to downgrade so the old hack works and to flash the chip with the firmware you need a Raspberry Pi Zero and a custom modded software.
#58340
Gothicgeek502 wrote:
Mon Jul 05, 2021 1:40 am
The Lime controller for the SJ2.5 that has the MKE02z64 chip (any model of it) can be downgraded to old unpatched firmware so it can be used with the old arduino/bluetooth hack. This method is out there and uses open source software and a raspberry pi but not everyone can use command/terminal in linux ( firmware is property of the maker so I will not share it). Again this is only for the MKE02z64 chip and I'm putting a pic to show you what to remove the potting to find out if you have the right model. You pay shipping to send it to me ( Small Priority Mail Box is cheap) $30 to cover flash and return shipping. And I'd like to state again US Only.



Image Use something safe like plastic tools ( I used a plastic knife and plastic fork tooth) I'm and not responsible if you mess up your controller! Some controllers may have a connecter already on the pinouts.
Hello. Are you still making this service? I am from Poland and have found abandoned lime sz 2.5 with the same motor controller as on your photo but without debug 5 wires connector. I tried to make it alive but it has a new firmware without ability to unlock it with serial command SANTR_2.4.26. Is it possible to buy your firmware to downgrade it by myself?
I have an stlink as I see on your photo I can use it to interact with chip. Of course I understand that firmware is the property and I promise not to share it. Thanks a lot.
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