Search found 380 matches

by Bratitude
Mon Jan 24, 2022 1:05 am
Forum: Projects
Topic: 1983 Subaru BRAT
Replies: 74
Views: 5375

Re: 1983 Subaru BRAT

spent on time on the lathe and whipped up some brackets for mounting the ibooster. instead of using the volt’s master cylinder that came on the ibooster, I made an adapter for a Subaru one. This keep the hydraulic ratios properly matched, and no custom brakelines! 4CA954FF-F323-475F-967B-5F183CD2CB6...
by Bratitude
Sun Jan 23, 2022 10:40 pm
Forum: Fast Charging
Topic: Chademo Controller Development
Replies: 273
Views: 17247

Re: Chademo Controller Development

P.S.Mangelsdorf wrote: Sun Jan 23, 2022 9:49 pm How many amps can the board provide the contactors? I have a feeling mine are drawing too much.
contactors are switched via one of the relays on the board.
PCH-112L2MH,000
5amp 12v

Do the contactors have a econimmizer ?
by Bratitude
Sat Jan 22, 2022 8:10 am
Forum: Fast Charging
Topic: Chademo Controller Development
Replies: 273
Views: 17247

Re: Chademo Controller Development

Um... Does the ST Link actually do USB-serial? I can't find anything about that in the datasheets. I’m pretty sure I was reading the serial data from my Gen2 Tesla charger board with my stlink. But now come to think of it… it was my ftdi board. Whoops. Sorry! At least there cheap and now you can pr...
by Bratitude
Fri Jan 21, 2022 10:06 pm
Forum: Battery Managment (BMS)
Topic: Volt gen2 BMS
Replies: 23
Views: 1458

Re: Volt gen2 BMS

good find! ... So cell voltages are in ID 0x512, 0x514, 0x516 and 0x518 Pack current and voltages are 0x528 then cheers, okay so far all im seeing from providing +12v is: 0x200 0x202 0x204 0x206 0x208 0x20C 0x216 0x260 0x262 0x270 0x272 0x274 0x304 0x460 i pluged in a few of the cell taps and now 0...
by Bratitude
Fri Jan 21, 2022 6:28 pm
Forum: Battery Managment (BMS)
Topic: Volt gen2 BMS
Replies: 23
Views: 1458

Re: Volt gen2 BMS

okay so some success! did some more digging, loaded up "gm_global_a_high_voltage_management.dbc" i stole from opendbc https://github.com/commaai/opendbc into savy can and boom! i got cell voltages and temps



0x302
cell temps
0x460
coolent temps
by Bratitude
Wed Jan 19, 2022 10:29 pm
Forum: General
Topic: EVBMW Announcement June 2021
Replies: 6
Views: 545

Re: EVBMW Announcement June 2021

First video update ( an introduction rather) to the new house "id like to welcome you to my soon-to-be new home:" cuts to a dirty grey goose :P had a good laugh :lol: place looks great with lots of potential! happy for you Damien. glad to see some trees around, should turn into quite the ...
by Bratitude
Tue Jan 18, 2022 5:07 pm
Forum: Projects
Topic: L322 RR Vogue - The beached whale
Replies: 47
Views: 1433

Re: L322 RR Vogue - The beached whale

Electrical: Am I correct that pre-charge is needed at the start of charging in the same way it is for powering up the inverter? There is no need for recharging the pcs. precharge is only for the drive inverter to protect the drive inverter igbt’s from inrush currents and voltage spikes. It just slo...
by Bratitude
Mon Jan 17, 2022 6:47 pm
Forum: Chevy/Opel/Vauxhall/PSA
Topic: WARNING!!! Chevy Volt Battery users
Replies: 8
Views: 683

Re: WARNING!!! Chevy Volt Battery users

86elcamino wrote: Fri Dec 31, 2021 11:14 pm…. I would probably have reused the stock ends, and spliced more cable into the middle.
sound like more room for error. Less junction points/transitions the better.

Best to just make a new cable. crimp ring terminals. Adhesive heat shrink.

No need to over complicate things.
by Bratitude
Mon Jan 17, 2022 5:13 pm
Forum: Fast Charging
Topic: Chademo Controller Development
Replies: 273
Views: 17247

Re: Chademo Controller Development

If not, can anyone tell me what I need to connect to the programming port so I can access via serial? I'm not seeing a part # on the BOM or a clear pinout on the schematic. youll need to connect a stlink to the 3.3v, gnd, swclk and swdio pins on the programming port, i think on our boards its label...
by Bratitude
Mon Jan 17, 2022 6:36 am
Forum: Fast Charging
Topic: Chademo Controller Development
Replies: 273
Views: 17247

Re: Chademo Controller Development

I believe so. It was a complete and preprogrammed board. small chip? then its an stm Screen Shot 2022-01-16 at 10.33.14 PM.png I'll be honest, I've read through that several times and I'm not sure what I'm looking at, or more precisely how it helps. As I read it, the set up is done over CAN, is tha...
by Bratitude
Mon Jan 17, 2022 1:59 am
Forum: Fast Charging
Topic: Chademo Controller Development
Replies: 273
Views: 17247

Re: Chademo Controller Development

I'm using one of Damien's Chademo specific boards. One of the stm32 based boards? I just soldered up my board, upon looking through the GitHub there’s : https://github.com/damienmaguire/Chademo-Fast-Charge-Controller/blob/master/ISA_CAN_Version/DataSheets/IVT-Mod_HowTo.pdf And https://github.com/da...
by Bratitude
Sun Jan 16, 2022 10:21 pm
Forum: Projects
Topic: L322 RR Vogue - The beached whale
Replies: 47
Views: 1433

Re: L322 RR Vogue - The beached whale

Not just sure what you mean re the CCS positive and the PCS. …….. you'd run the PCS positive cable through the CCS positive, so the CCS positive would have to come on for drive and charging? oh no sorry I mean the pcs positive would share the same contactor as the positive end of ccs. (Which is in ...
by Bratitude
Sun Jan 16, 2022 4:19 am
Forum: Projects
Topic: L322 RR Vogue - The beached whale
Replies: 47
Views: 1433

Re: L322 RR Vogue - The beached whale

I’d put positive contactor/precharge and positive ccs contactor in the battery box. delete negative contactor in the HVJB, and run pcs threw the positive ccs contactor.

this way your not running pcs or ccs through pre charge at any point accidentally. And you cut back on contactors and the HVJB size
by Bratitude
Thu Jan 13, 2022 7:05 am
Forum: General
Topic: EV car conversion hardware
Replies: 189
Views: 14544

Re: EV car conversion hardware

found this canbus switch board https://www.ecumaster.com/products/can-switch-board/
pretty neat and simple little board, dont have to program it to get it sending messages.

8 analog inputs and 4 outputs

seems like a prefect companion for OI
by Bratitude
Tue Jan 11, 2022 5:00 pm
Forum: Battery Managment (BMS)
Topic: Simp BMS
Replies: 383
Views: 24815

Re: Simp BMS

let SIMPBMS control the contactors, but use enable signals for the charger and the drive, to select one or the other. As long as the the inverter is controlling it’s own contactsors. if something else where to switch the main contactors off during drive, there’s a high Possibility of the inverter b...
by Bratitude
Tue Jan 11, 2022 12:32 am
Forum: Battery Managment (BMS)
Topic: Simp BMS
Replies: 383
Views: 24815

Re: Simp BMS

Also, do you know if I need to go through the pre-charge stage when charging? if you are counting your charger and inverter threw the same contacts, then yes you'll need precharge for the inverter. you can never directly connect hv to a power stage without first precharging. but i would not recomme...
by Bratitude
Mon Jan 10, 2022 8:25 pm
Forum: Battery Managment (BMS)
Topic: Volt gen2 BMS
Replies: 23
Views: 1458

Re: Volt gen2 BMS

decided to do some digging again, and looks like the bolt, spark, taho hybrid and gen2 volt use the same BECM module. found this CVS file of the PIDs for the bolt, hopefully this is every needed to at least measure soc, soh, and cell voltages https://docs.google.com/spreadsheets/d/1sY5n8WFu52U6a4_mg...
by Bratitude
Mon Jan 10, 2022 7:58 pm
Forum: Hardware v3.0
Topic: mainboardV3 version output driver differences ?
Replies: 4
Views: 225

Re: mainboardV3 version output driver differences ?

johu wrote: Mon Jan 10, 2022 6:35 pm I'd say like 500 mA for precharge. DC switch I cannot say. The FET is only driven with 3.3V so not as low Rds as can be. I guess 2-3A should be doable without anything overheating.
thanks!
updated the wiki
by Bratitude
Sun Jan 09, 2022 10:32 pm
Forum: Hardware v3.0
Topic: mainboardV3 version output driver differences ?
Replies: 4
Views: 225

Re: mainboardV3 version output driver differences ?

johu wrote: Sun Jan 09, 2022 9:56 pm Yes, indeed, never updated that.
The little 16-SOIC only handles small relays, so I thought beefing this up might make sense.

Awesome!

Just for clarity, how much can out_dcsw and out_pre sink?
by Bratitude
Sun Jan 09, 2022 8:21 pm
Forum: Hardware v3.0
Topic: mainboardV3 version output driver differences ?
Replies: 4
Views: 225

mainboardV3 version output driver differences ?

i noticed when looking at the output driver schematic on git hub and the schematic on the wiki, they are in fact different. wiki version has: 2 driver lines paralleled for out_dcsw 1 driver line for out_pre github version: 2 driver lines paralleled for out_pre 1 line driving a N-chanel fet (ap9t18gh...
by Bratitude
Sun Jan 09, 2022 4:01 am
Forum: Hardware v3.0
Topic: Two leaf motors (4x4)
Replies: 7
Views: 280

Re: Two leaf motors (4x4)

arber333 wrote: Sat Jan 08, 2022 5:42 pm

You can use each channel from Prius throttle for its own inverter brain
while this dose work and is quite simple, there’s no redundancy for each controller!
by Bratitude
Sat Jan 08, 2022 5:18 pm
Forum: Hardware v3.0
Topic: Two leaf motors (4x4)
Replies: 7
Views: 280

Re: Two leaf motors (4x4)

With oi, just link the 2 boards via can and map the throttle controls
by Bratitude
Sat Jan 08, 2022 2:59 am
Forum: General
Topic: Nissan leaf hardware: adapter plates, couplers, axles, etc
Replies: 12
Views: 923

Re: Nissan leaf hardware: adapter plates, couplers, axles, etc

Tremelune wrote: Sat Jan 08, 2022 2:50 am Well that's lovely. Has one been installed in a driving car yet?
Cheers.

not this revision with the NEMA B-face pattern, but the older design, which has the exact same mounting position for the leaf side, is in use in as variety of vehicles
by Bratitude
Fri Jan 07, 2022 8:49 pm
Forum: General
Topic: Nissan leaf hardware: adapter plates, couplers, axles, etc
Replies: 12
Views: 923

Re: Nissan leaf hardware: adapter plates, couplers, axles, etc

em57 universal adapter plate drawing
0010-020-006_ADAPTERPLATE_11_27_2021.JPG
by Bratitude
Fri Jan 07, 2022 8:46 pm
Forum: General
Topic: Compiling Information For Wiki - Please Contribute
Replies: 18
Views: 931

Re: Compiling Information For Wiki - Please Contribute

crasbe wrote: Fri Jan 07, 2022 2:04 am
I've observed that we might have to establish a standard format for wiki articles, but that's rather a luxury problem.
THIS! going forward it would reduce the amount of house cleaning needed in the future!

im happy to start, admit tho im no wiki expert.