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

Covers electric scooter models whether shared or for consumers.
By PDruppo
#57789
SzybkiWaz wrote:
Fri Aug 13, 2021 2:47 am
I hacked gen 3 with chinesse controller (with hall sensors but not connected) its loud at start anyone know how to repair that ?
Hey, can you write to me PV, so we can talk?
User avatar
By alecxs
#57833
eltoro wrote:
Thu Jul 01, 2021 6:22 am
hello I'm trying to communicate with a st-link v2 but impossible he shows me a message
No need for reset pin 7 or something, just disconnect every power source (battery, charger) only provide power 3V3 from ST-Link v2.

The SWD serial port is disabled in firmware, but it is enabled in bootloader.

Choose the 'connect under reset' option. then plug in the ST-Link to usb port + immediately click 'connect'. It will work, it is just a matter of correct timing. Try a few times until you catch the bootloader.

Once it is connected, you will see another error message 'readout protection'. You can now erase the STM32 by disabling the readout protection in 'option bytes' in ST-Link Utility.

Good Luck!
User avatar
By alecxs
#57885
I made a PCB for the green box. it is pin compatible with most esp32, you just have to add compatible dc-dc converter. if you don't have a heat gun you should order PCB with connector assembled on the bottom side, for 2 bucks more (BOM inside zip). it's the first revision, please report here if you find bugs.

Image
By insestito
#58120
alecxs wrote:
Thu Jun 29, 2023 8:08 pm
I made a PCB for the green box. it is pin compatible with most esp32, you just have to add compatible dc-dc converter. if you don't have a heat gun you should order PCB with connector assembled on the bottom side, for 2 bucks more (BOM inside zip). it's the first revision, please report here if you find bugs.

Image
I just ordered the PCB, THANK YOU ENOUGH mate!
What DC converter do you recommend and what other things do I need?
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