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Search: Posts Made By: zsnemeth
Forum: Open ReVolt: open source DC motor controller 02-15-2013, 07:59 AM
Replies: 7,381
Views: 2,402,841
Posted By MPaulHolmes
AHA! YAHOO!!!!! mic4452 is a NON-inverting...

AHA! YAHOO!!!!! mic4452 is a NON-inverting driver, whereas mic4451 is an inverting driver.
Forum: Open ReVolt: open source DC motor controller 02-15-2013, 07:34 AM
Replies: 7,381
Views: 2,402,841
Posted By MPaulHolmes
Can you read the part number for U6 and U7?

Can you read the part number for U6 and U7?
Forum: Open ReVolt: open source DC motor controller 09-24-2012, 08:07 PM
Replies: 7,381
Views: 2,402,841
Posted By MPaulHolmes
02 is the vref fault. That means that either the...

02 is the vref fault. That means that either the current sensor is unplugged, or maybe the wires are soldered in the wrong holes, or it's a bad current sensor, or some weird 4th option I can't think...
Forum: Open ReVolt: open source DC motor controller 07-18-2012, 09:20 PM
Replies: 7,381
Views: 2,402,841
Posted By adamj12b
You do not want to tap onto C8 for power. This is...

You do not want to tap onto C8 for power. This is a bootstrap cap for the max232. You will want to tap onto C12 or U4 pin 15(gnd) and pin 16(+5V) directly.

-Adam
Forum: Open ReVolt: open source DC motor controller 05-13-2012, 12:42 AM
Replies: 7,381
Views: 2,402,841
Posted By MPaulHolmes
:D :thumbup: ...

:D
:thumbup:
http://www.youtube.com/watch?v=kdkeNKj9VRM
Forum: Open ReVolt: open source DC motor controller 05-10-2012, 11:51 PM
Replies: 7,381
Views: 2,402,841
Posted By MPaulHolmes
The new official controller prototype with the...

The new official controller prototype with the 400v diodes, and 250v mosfets is officially done and ready to test this weekend! It's a high side, and better work, or I'm going to be friggen angry...
Forum: Open ReVolt: open source DC motor controller 04-28-2012, 01:13 PM
Replies: 7,381
Views: 2,402,841
Posted By MPaulHolmes
I just about finished soldering the control and...

I just about finished soldering the control and driver board for the 1000amp controller and the control board, low side driver, and high side driver for the AC controller. It won't be long now!
Forum: Open ReVolt: open source DC motor controller 04-17-2012, 01:45 AM
Replies: 7,381
Views: 2,402,841
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 04-10-2012, 09:07 AM
Replies: 7,381
Views: 2,402,841
Posted By MPaulHolmes
Dear Michael Holmes, Your order is dispatched...

Dear Michael Holmes,
Your order is dispatched Apr 10, 2012 by FedEX....

We delivered following items:
Part Number: ACControlBoard Quantity: 10
Part Number: ACHighSideDriverBoard ...
Forum: Open ReVolt: open source DC motor controller 03-17-2012, 02:03 PM
Replies: 7,381
Views: 2,402,841
Posted By MPaulHolmes
I added the push-pull feature in the software so...

I added the push-pull feature in the software so that if a couple pins stop going high and low at 16kHz, the hardware will disable the mosfet driver, since that would most likely happen if the...
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