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Search took 0.05 seconds. Search: Posts Made By: isaac_alaska
Forum: Open ReVolt: open source DC motor controller 04-17-2012, 01:45 AM
Replies: 7,381
Views: 2,411,689
Posted By MPaulHolmes
The boards came today! Now I just need to solder...

The boards came today! Now I just need to solder all that crap on them. The only board I'm worried about is the 4 layer AC. I've never done 4 layer boards before, but everything seems like it's...
Forum: Open ReVolt: open source DC motor controller 01-12-2012, 12:29 PM
Replies: 7,381
Views: 2,411,689
Posted By MPaulHolmes
Oh the control board works fine. It's just your...

Oh the control board works fine. It's just your run of the mill pwm output, with some protections built in, like the 500amp version. The power stage and driver board is what I think wasn't very...
Forum: Open ReVolt: open source DC motor controller 10-20-2011, 11:09 PM
Replies: 7,381
Views: 2,411,689
Posted By MPaulHolmes
Hello! Yes you need to hook up 12v power to...

Hello! Yes you need to hook up 12v power to program the microcontroller unless you are using the stk500.

Purplish wire leading out goes to battery pack +. Blue resistor can handle huge energy...
Forum: Instrumentation 10-11-2011, 03:41 PM
Replies: 6
Views: 3,375
Posted By JasonG
I use Simplis/Simetrix I believe it is free. ...

I use Simplis/Simetrix
I believe it is free.
Simple paste and click interface.
Once you get used to it, it simulates very well except for pump-charge circuits.
It comes with some basic examples....
Forum: Open ReVolt: open source DC motor controller 10-06-2011, 02:39 AM
Replies: 7,381
Views: 2,411,689
Posted By MPaulHolmes
hahaha. ya it's long. Isaac, I can confirm that...

hahaha. ya it's long. Isaac, I can confirm that you can't just program the micro through the serial port until the initial programming has happened. I use a programmer from digikey that was $35 I...
Forum: Open ReVolt: open source DC motor controller 10-04-2011, 12:14 PM
Replies: 7,381
Views: 2,411,689
Posted By Freyguy
isaac_alaska, The actual part number should be...

isaac_alaska,
The actual part number should be MLX91205KDC-HB.
Both Digi-key and Future Electronics show stock.

Digi-Key - MLX91205KDC-HB-ND (Manufacturer - MLX91205KDC-HB)...
Forum: Open ReVolt: open source DC motor controller 10-01-2011, 11:10 AM
Replies: 7,381
Views: 2,411,689
Posted By MPaulHolmes
That's beautiful Adam! the stray inductance is...

That's beautiful Adam! the stray inductance is going to be teeny tiny.

Hey Isaac_Alaska, you need a way to get the 5v power to the driver board too. I had done the board for mosfets, and tried...
Forum: Open ReVolt: open source DC motor controller 09-09-2011, 09:11 PM
Replies: 7,381
Views: 2,411,689
Posted By mrbigh
Exclamation to identify the parts list, this board is the...

to identify the parts list, this board is the 1KAmp version controller and has a U12 part and is a 2011 year release.
Your BOM is dated 2009 and missing the U12, this is NOT the right BOM.
Forum: Open ReVolt: open source DC motor controller 03-26-2011, 09:25 PM
Replies: 7,381
Views: 2,411,689
Posted By MPaulHolmes
The current sensor boards arrived yesterday or...

The current sensor boards arrived yesterday or thursday I think, and I got all the boards and what nots all shipped out yesterday USPS priority. Well, Sabrina did. haha. ya! I got one current...
Forum: Open ReVolt: open source DC motor controller 03-23-2011, 06:03 PM
Replies: 7,381
Views: 2,411,689
Posted By jackbauer
Diagram attached. If you go back and look at my...

Diagram attached. If you go back and look at my early control experiment videos they may help. Please forget about those scrs. They are totally unsuitable in any form whatsoever for a modern pwm...
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