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Search took 0.09 seconds. Search: Posts Made By: sawickm
Forum: Open ReVolt: open source DC motor controller 10-22-2013, 08:15 AM
Replies: 143
Views: 42,667
Posted By arber333
BMS Files

Anyone willing to make their own BMS. I prepared my iteration of files and documentation on Harlequin2s BMS on my website. Files are meaningfully named, though user manual is still written in...
Forum: Open ReVolt: open source DC motor controller 09-24-2013, 10:13 AM
Replies: 187
Views: 58,928
Posted By adamj12b
OK, Emails about helping with the logic board...

OK, Emails about helping with the logic board have been sent. Let me know what you come up with.

Also,

Driver boards are open for ordering again. Head over to Uprising Logic | Uprising logic...
Forum: Open ReVolt: open source DC motor controller 01-10-2013, 04:14 PM
Replies: 7,381
Views: 2,411,786
Posted By jackbauer
A lot of people have been asking me for some of...

A lot of people have been asking me for some of the custom software that Paul and others put together for me over the years for the 500A controller so here it is :...
Forum: Open ReVolt: open source DC motor controller 01-06-2013, 02:41 PM
Replies: 143
Views: 42,667
Posted By dcarlson
Hi harlequin2! This is great work on a...

Hi harlequin2!

This is great work on a simple BMS. Also a big thanks to you and sawickm (Mark) for putting this all on the Wiki!

I am woking on a project using 12v AGM 15ah batteries for a...
Forum: Open ReVolt: open source DC motor controller 12-18-2012, 03:25 PM
Replies: 187
Views: 58,928
Posted By adamj12b
Work has slowed down to a crawl on the controller...

Work has slowed down to a crawl on the controller for the time being.

Ive had to dedicate all my time to a work project with a super tight deadline. I will have to get going on the controller...
Forum: Open ReVolt: open source DC motor controller 11-03-2012, 11:37 AM
Replies: 187
Views: 58,928
Posted By MPaulHolmes
For a 1 inch wide bus bar that is 1/4" thick, a...

For a 1 inch wide bus bar that is 1/4" thick, a 1/8" thick PCB (that acts both as the spacer and board you solder the chip to) gives a range of about -1200, to 1200amp. So, you would need another...
Forum: Open ReVolt: open source DC motor controller 11-03-2012, 07:39 AM
Replies: 187
Views: 58,928
Posted By adamj12b
If you can find room to mount the surface mount...

If you can find room to mount the surface mount sensor, you can use it, but if i remember correctly, it become impractical because it needs to be so far away from a bus bar wide enough for 2000A.
...
Forum: Fossil Fuel Free 11-01-2012, 05:44 PM
Replies: 95
Views: 25,919
Posted By nlc
These last day I worked again on my BMS project,...

These last day I worked again on my BMS project, I simplified it but it also implements a lot of thing :

- +12V permanent supply
- +12 Ignition input to power up the board
- Mains 110/230VAC...
Forum: Open ReVolt: open source DC motor controller 10-25-2012, 09:47 AM
Replies: 187
Views: 58,928
Posted By adamj12b
Hello Evimarn, Sorry to hear someone took...

Hello Evimarn,

Sorry to hear someone took your gear. I know how hard it is to build a personal collection of good equipment. If your looking for an affordable good scope, look at the Rigol...
Forum: Open ReVolt: open source DC motor controller 10-24-2012, 08:12 PM
Replies: 187
Views: 58,928
Posted By adamj12b
Hello Mark, YES, I believe that the modules...

Hello Mark,

YES, I believe that the modules will work perfectly. They have the same gate terminal spacing as the 400A modules. They are .71" wider in total though but I believe the spacing is...
Forum: Fossil Fuel Free 10-24-2012, 05:22 PM
Replies: 3,480
Views: 916,673
Posted By MPaulHolmes
Thread not abandoned. I'm just waiting on our...

Thread not abandoned. I'm just waiting on our house to close before I buy a few replacement parts for the prototype. It will close by Nov 9th, and hopefully sooner.
Forum: Fossil Fuel Free 06-14-2012, 12:38 PM
Replies: 3,480
Views: 916,673
Posted By MPaulHolmes
Just tested the AC controller with a DC bus of...

Just tested the AC controller with a DC bus of 308v (288v nominal). It worked! Hurray!! It was only on the small AC motor, which is a few amps per phase. Here's a video of it running at 84v...
Forum: Fossil Fuel Free 06-12-2012, 05:13 PM
Replies: 3,480
Views: 916,673
Posted By MPaulHolmes
Absolutely no stinking mistakes on the AC control...

Absolutely no stinking mistakes on the AC control board or driver boards or power board. This has never happened. haha. All the safety features work perfectly. I finally assembled the whole...
Forum: Open ReVolt: open source DC motor controller 06-04-2012, 04:16 PM
Replies: 7,381
Views: 2,411,786
Posted By twotires
Finished my controller this weekend. Don't have...

Finished my controller this weekend. Don't have traction batteries to see if it will push the car, yet, but stay tuned.

Thanks, everybody for all the help.

Michael
Forum: Open ReVolt: open source DC motor controller 05-13-2012, 12:42 AM
Replies: 7,381
Views: 2,411,786
Posted By MPaulHolmes
:D :thumbup: ...

:D
:thumbup:
http://www.youtube.com/watch?v=kdkeNKj9VRM
Forum: Fossil Fuel Free 04-18-2012, 09:12 AM
Replies: 3,480
Views: 916,673
Posted By MPaulHolmes
I think on some motors it's easier to "rewind" a...

I think on some motors it's easier to "rewind" a motor to a lower voltage without officially rewinding. Then you can double the rated rpm and increase the HP. This controller can use any DC bus. I...
Forum: Fossil Fuel Free 04-17-2012, 01:14 AM
Replies: 3,480
Views: 916,673
Posted By MPaulHolmes
My boards arrived today for the 200ampRMS...

My boards arrived today for the 200ampRMS (hopefully) controller. And I ordered the parts for populating the boards too. The BOM is ready to be posted to the ecomodder wiki too. Parts are in the...
Forum: Fossil Fuel Free 04-10-2012, 06:41 AM
Replies: 95
Views: 25,919
Posted By nlc
Some news, the software inside the slave is...

Some news, the software inside the slave is completely finished and everything work well. I made a small video to see the BMS in action :

http://www.youtube.com/watch?v=k3qjPXCfs6M

Please note...
Forum: Open ReVolt: open source DC motor controller 03-26-2012, 07:39 PM
Replies: 7,381
Views: 2,411,786
Posted By MPaulHolmes
The nice thing about this last prototype I just...

The nice thing about this last prototype I just finished is the control board is now good. There were 2 mistakes on it that I had carried over to the AC and new DC control board layouts, both of...
Forum: Open ReVolt: open source DC motor controller 03-21-2012, 08:30 AM
Replies: 7,381
Views: 2,411,786
Posted By isaac_alaska
definitely, but you would need to build a new...

definitely, but you would need to build a new power board to mount all of the MOSFETS and diodes to.
Forum: Open ReVolt: open source DC motor controller 03-20-2012, 08:47 AM
Replies: 187
Views: 58,928
Posted By adamj12b
Well its been too long since an update, and im...

Well its been too long since an update, and im sorry.

I never stop working on things and its hard to find time to update my threads.

Well a good amount of work has happened since the last...
Forum: Open ReVolt: open source DC motor controller 03-14-2012, 09:51 PM
Replies: 7,381
Views: 2,411,786
Posted By isaac_alaska
i found this! it's pretty sweet. i also found...

i found this! it's pretty sweet. i also found videos of the sled pull and the acceleration runs. i'll edit them in to this post in a few minutes
...
Forum: Fossil Fuel Free 03-07-2012, 03:12 AM
Replies: 95
Views: 25,919
Posted By nlc
Yes I heard about this board. But at my opinion...

Yes I heard about this board. But at my opinion this board is too much generic and cannot be used as is for automotive use. Need to add specific board for supplies, input/output interface, and so on....
Forum: Open ReVolt: open source DC motor controller 02-23-2012, 06:59 AM
Replies: 7,381
Views: 2,411,786
Posted By isaac_alaska
http://farm8.staticflickr.com/7068/6922977799_a878...

http://farm8.staticflickr.com/7068/6922977799_a878bd6763_b.jpg


It's hard to see, but the entire top of the capacitor bus plates are covered in 7 mil adhesive backed electrical insulating mylar....
Forum: Open ReVolt: open source DC motor controller 02-20-2012, 09:42 PM
Replies: 7,381
Views: 2,411,786
Posted By MPaulHolmes
It's the gospel truth Miss Coates. (Old Yeller). ...

It's the gospel truth Miss Coates. (Old Yeller).

EDIT: If you want to use IGBTs, I did another one that takes 24v input instead of 15v, and outputs -8v up to 15v or something like that for the...
Showing results 1 to 25 of 98
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