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

Covers electric scooter models whether shared or for consumers.
By geo999
#57584
Scootermansussex wrote:
Mon Jan 30, 2023 7:20 pm
Drill hole and solder jumper ? Do you mean solder onto battery negative to bypass BMS output negative or is there some other way sorry for all questions I not as clever as you
I do not think this is the best idea, we still want the BMS to work.

Anyone managed to activate the battery and keep it active by sending CAN messages ?
By Scootermansussex
#57585
BMS still works for charging and u can look at voltage indicator on battery to make sure it don't drop below 42v or I took the side off and just soldered a 13s 20a BMS ontop of old BMS and have had successfully charged and discharged it . I would love to unlock it with can bus would even pay if it worked
By brightgloaming
#57591
Chast said something about "stealing someone else's work" but honey, we're discussing hacking a rental-only scooter model. 100% of any work here is stolen.
As much as I value the work of independent creators, Chast was not only gatekeeping all of his research behind a paywall, he was also sending everyone who paid a mostly useless hex file *for 10 EUR*.
Save this code block with a .hex extension and upload it to an arduino nano with a MCP2515 CAN module connected (standard SPI pinout, INT pin to D2)
Code: Select all
:100000000C945D000C9485000C9485000C94850084
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The github that I will open source in some time is not related to Chast's code - I don't even have an arduino to upload this to. I've researched the logic analyzer dumps that were sent here and found the correct messages. For now you can try and use this hex file, now that it's free.

Chast, darling, die mad about it.
tak kończą frajerzy - Jan G, 2023
By Gynaekologe
#57592
Hey I am following this thread for a long time. I also found an ES400B Battery and want to use it for my E-Bike with the build in BMS.

For doing this I need:
-Arduino Nano
-MCP2515 CAN module

the thing with the hex file I also understand

Can you maybe explain how to cable it on the Arduino and one the battery?
(standard SPI pinout, INT pin to D2)

It would really help if someone could make some instructions for dummies how to cable the MCP2515 the arduino and the battery properly it would really help recycle a lot of batterys and keep them from beeing thrown away.


Nice Greets and thanks to all of you.
By blader2
#57593
How is work here stolen? He make it work by himself it took many hours to get it working, as i can See he sent you hex file as he writed so you Got what you buyed, you think that someone would sell all code for 10e?
brightgloaming wrote:
Sun Feb 05, 2023 1:28 pm
Chast said something about "stealing someone else's work" but honey, we're discussing hacking a rental-only scooter model. 100% of any work here is stolen.
As much as I value the work of independent creators, Chast was not only gatekeeping all of his research behind a paywall, he was also sending everyone who paid a mostly useless hex file *for 10 EUR*.
Save this code block with a .hex extension and upload it to an arduino nano with a MCP2515 CAN module connected (standard SPI pinout, INT pin to D2)
Code: Select all
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The github that I will open source in some time is not related to Chast's code - I don't even have an arduino to upload this to. I've researched the logic analyzer dumps that were sent here and found the correct messages. For now you can try and use this hex file, now that it's free.

Chast, darling, die mad about it.
tak kończą frajerzy - Jan G, 2023
By brightgloaming
#57595
Anyway, If someone wants something useful for a change, I managed to bypass the floor lock module's STM32F042F6P6's memory protection and read the flash contents. Here's the flash dump and a Ghidra project with the disassembly (memory regions and peripherals mapped by me, also a few comments in functions that I could identify).

If you find something useful, please share it here. Collaboration makes everything easier, some people are just greedy.

https://anonfiles.com/B8if03Wfy1/lockbox_zip
By Marius Petz
#57596
Chast wrote:
Mon Feb 06, 2023 9:38 am
brightgloaming wrote:
Sun Feb 05, 2023 1:28 pm
Chast said something about "stealing someone else's work" but honey, we're discussing hacking a rental-only scooter model. 100% of any work here is stolen.
As much as I value the work of independent creators, Chast was not only gatekeeping all of his research behind a paywall, he was also sending everyone who paid a mostly useless hex file *for 10 EUR*.
Save this code block with a .hex extension and upload it to an arduino nano with a MCP2515 CAN module connected (standard SPI pinout, INT pin to D2)
Code: Select all
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:00000001FF
The github that I will open source in some time is not related to Chast's code - I don't even have an arduino to upload this to. I've researched the logic analyzer dumps that were sent here and found the correct messages. For now you can try and use this hex file, now that it's free.

Chast, darling, die mad about it.
tak kończą frajerzy - Jan G, 2023
Dirty dick, you wrote to watch out for me because I don't send source code. You got what I promised. File for arduino nano. No one promised you'd get the source file.
You're too stupid to understand it
Insulting someone is not a solution either. We should help each other here and not offend. When offering a arduino file, I assume so to get a arduino IDE file to compile by my self to make any adjustments. As a developer I always expect uncompiled project files - not the precompiled code. Maybe it was a misunderstanding because of the language.
Anyways.

@Scootermansussex the can messages wouldn't help you because the communication with the battery isn't CAN.
The battery is managed by the controller via UART communication. There is no difference between es400A, es400B or es400C models. The C is for "customized" and means that the scooter was specially produced for a specific company (example paintwork) especially it's a rework of the es400B - software is the same.

For the battery lock i found out that you have first to start the scooter and then a can message is sent to unlock the battery.
By Chast
#57599
Marius Petz wrote:
Thu Feb 09, 2023 4:40 am
Chast wrote:
Mon Feb 06, 2023 9:38 am
brightgloaming wrote:
Sun Feb 05, 2023 1:28 pm
Chast said something about "stealing someone else's work" but honey, we're discussing hacking a rental-only scooter model. 100% of any work here is stolen.
As much as I value the work of independent creators, Chast was not only gatekeeping all of his research behind a paywall, he was also sending everyone who paid a mostly useless hex file *for 10 EUR*.
Save this code block with a .hex extension and upload it to an arduino nano with a MCP2515 CAN module connected (standard SPI pinout, INT pin to D2)
Code: Select all
:100000000C945D000C9485000C9485000C94850084
:100010000C9485000C9485000C9485000C9485004C
:100020000C9485000C9485000C9485000C9485003C
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:100060000C9485000C94850000000008000201003B
:100070000003040700000000000000000000000072
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:1015F000290280E092E00E942C0362E370E080E028
:1016000090E00E94290280EF91E00E942C0362E3A7
:1016100070E080E090E00E94290280EE91E00E945C
:101620002C0362E370E080E090E00E94290280EDEC
:1016300091E00E942C0362E370E080E090E00E9461
:10164000290280EC91E00E942C0362E370E080E0CC
:1016500090E00E94290280EB91E00E942C0362E35B
:1016600070E080E090E00E94290280EA91E00E9410
:101670002C0362E370E080E090E00E94290260EDBC
:1016800077E080E090E00E9429020115110509F43D
:10169000D4CE0E941001882309F4CFCE0E9400000E
:1016A000CCCE0430110509F47CC008F478C00530B4
:1016B000110509F0ACCE88E101C084E0F1E0EF163D
:1016C000F10409F072C0CC51DF4F1882C45ED040E3
:1016D000CD51DF4F1882C35ED040CE51DF4FB8826C
:1016E000C25ED040CF51DF4F1882C15ED04044E08F
:1016F000BE016F517F4F0E9408034FEFE41AF40AB6
:1017000056E0E516F10409F06BCECB51DF4F19829C
:101710001882C55ED04081E090E0C951DF4F9983C7
:101720008883C75ED0408E010B511F4F680164E073
:10173000C60ED11C88E0B82EF801E190F1908F011F
:1017400080E80E94B802892B09F061CECC51DF4FAE
:101750001882C45ED040CD51DF4F1882C35ED040A6
:10176000CE51DF4FB882C25ED040CF51DF4F1882DA
:10177000C15ED040E114F10469F1EA94EF2809F068
:1017800046CE84E244E0BE016F517F4F0E940803C1
:101790000C151D0509F43BCECFCF88E08FCF80E13B
:1017A0008DCF84E18BCF80E089CFCF51DF4F18827E
:1017B000C15ED040CE51DF4F1882C25ED040CC51C6
:1017C000DF4F1882C45ED040CD51DF4F1882C35E18
:1017D000D0408DCF80E2D6CFEE0FFF1F0590F49161
:1017E000E02D0994FB01DC0102C001900D924150F3
:0A17F0005040D8F70895F894FFCF99
:1017FA0000000100020001001E01010000016E50FC
:10180A00000000000000F24327000000000098409A
:10181A00ECDB09D1690B0300037003E80003000342
:10182A00B803CA000101000100010000EEF8AAD3C2
:10183A002C1CDF1F52503133533230410013091828
:10184A000000006A006425FA0000216427F0D753DB
:10185A00293E335B0F94050F8C0A0008006F00665F
:10186A000000010002000300040005003031364088
:10187A004146505156000000004601A600D300938D
:08188A00010401E200F6000078
:00000001FF
The github that I will open source in some time is not related to Chast's code - I don't even have an arduino to upload this to. I've researched the logic analyzer dumps that were sent here and found the correct messages. For now you can try and use this hex file, now that it's free.

Chast, darling, die mad about it.

Dirty dick, you wrote to watch out for me because I don't send source code. You got what I promised. File for arduino nano. No one promised you'd get the source file.
You're too stupid to understand it
Insulting someone is not a solution either. We should help each other here and not offend. When offering a arduino file, I assume so to get a arduino IDE file to compile by my self to make any adjustments. As a developer I always expect uncompiled project files - not the precompiled code. Maybe it was a misunderstanding because of the language.
Anyways.

@Scootermansussex the can messages wouldn't help you because the communication with the battery isn't CAN.
The battery is managed by the controller via UART communication. There is no difference between es400A, es400B or es400C models. The C is for "customized" and means that the scooter was specially produced for a specific company (example paintwork) especially it's a rework of the es400B - software is the same.

For the battery lock i found out that you have first to start the scooter and then a can message is sent to unlock the battery.
Don't mislead.
Opening the battery door is and UART as well as CAN.
It depends on the model. Old Tier is on UART. The new Tier that used to be HIVE has CAN.
The IOT driver is the same for both versions. It differs in the content of the EEPROM in the IOT.
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