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Search took 0.01 seconds. Search: Posts Made By: apowers
Forum: Open ReVolt: open source DC motor controller 06-02-2015, 09:19 PM
Replies: 28
Views: 6,595
Posted By apowers
Yes continuity is what I should have said. Did...

Yes continuity is what I should have said. Did you spin the motor at 12 volts using the controller? If so then it should be working.

Did you get the RTD working?

I saw on the other forum...
Forum: Open ReVolt: open source DC motor controller 02-24-2015, 08:07 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
My lead pack was above 150 volts just off the...

My lead pack was above 150 volts just off the charger. No problem ,I think it is the caps that are at risk because they are rated at 200 volts and a spike might go over that.

Alvin
Forum: Open ReVolt: open source DC motor controller 10-18-2013, 08:47 AM
Replies: 7,381
Views: 2,416,385
Posted By apowers
Duncan When the current limits , the...

Duncan

When the current limits , the controller makes a funny noise while it is skipping a "beat". Maybe it does that with over temp also.

Alvin
Forum: Open ReVolt: open source DC motor controller 05-14-2013, 08:32 AM
Replies: 1
Views: 1,386
Posted By apowers
I turn the main breaker off. Then turn the key on...

I turn the main breaker off. Then turn the key on and press the accelerator till the motor drains it .

Alvin
Forum: Open ReVolt: open source DC motor controller 07-15-2012, 10:09 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
I'm glad you got it working. Sometimes it is the...

I'm glad you got it working. Sometimes it is the small things that get you.

Good eye there zsnemeth.

Alvin
Forum: Open ReVolt: open source DC motor controller 07-11-2012, 06:58 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
electricstorm I used a 230 watt soldering...

electricstorm

I used a 230 watt soldering gun. It worked fine. I would pull the trigger and let the tip get red before I soldered. That way I was only on the fet and copper just a few seconds.

...
Forum: Open ReVolt: open source DC motor controller 06-30-2012, 11:18 AM
Replies: 7,381
Views: 2,416,385
Posted By apowers
electricstorm When I got a usb to rs232 the...

electricstorm

When I got a usb to rs232 the driver that came with it was not windows 7.
I downloaded the driver from manufactor's site.

I think the resistor divider takes the place of the...
Forum: Open ReVolt: open source DC motor controller 04-02-2011, 08:34 AM
Replies: 436
Views: 84,839
Posted By apowers
Hi Chris I reprogrammed and now I can...

Hi Chris

I reprogrammed and now I can adjust fuel gauge down to empty. But...
when I reset SOC the gauge only goes to 3/8.

Alvin

Edit Forget what I just said. I took it for a test drive...
Forum: Open ReVolt: open source DC motor controller 01-05-2011, 06:55 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
here is the link to a programmer AVR Programmer...

here is the link to a programmer AVR Programmer (http://electronics-diy.com/avr_programmer.php)
here is another you will need avr dude with it.AVR Tutorial #2...
Forum: Open ReVolt: open source DC motor controller 07-28-2010, 02:40 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
Ok. I was just thinking that if the controller...

Ok. I was just thinking that if the controller was stuck at half or full duty and you closed the contactor on a stalled motor that would a big amp draw.
Forum: Open ReVolt: open source DC motor controller 07-26-2010, 03:08 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
Maybe it is just the way the potetiometer is...

Maybe it is just the way the potetiometer is ajusted and the throttle is not moving far enough. I adjust mine by hand till just before high pedal error.
Forum: Open ReVolt: open source DC motor controller 06-28-2010, 07:31 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
http://home.cogeco.ca/~tkooistra/Cougar_Controller...

http://home.cogeco.ca/~tkooistra/Cougar_Controller_Rev2C_Schematic_All.pdf


This is the link to the schematic. Start where you have voltage and follow it till you don't. Note the different ground...
Forum: Fossil Fuel Free 06-22-2010, 07:49 PM
Replies: 385
Views: 117,844
Posted By apowers
I had a 120 volt pack and changed to a 144 volt...

I had a 120 volt pack and changed to a 144 volt pack so the charger I made
would not charge that high from a 110 outlet. I moved some connections
around and changed a capacitor. Now the open...
Forum: Open ReVolt: open source DC motor controller 03-15-2010, 02:44 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
Hi Paul I found the chip with old software...

Hi Paul
I found the chip with old software on it. It is working now. You know I think the problem was the pot , the treminals needed reversing. I thought I had tried that but I guess not. High...
Forum: Fossil Fuel Free 12-18-2009, 09:19 AM
Replies: 385
Views: 117,844
Posted By apowers
watt-a-mezz I used the transformer from an old...

watt-a-mezz
I used the transformer from an old microwave. The "E" and "I" are welded together
but can easily be hack-sawed apart. The weld is soft and only about 1/16" thick.
I had been using a...
Forum: Open ReVolt: open source DC motor controller 11-11-2009, 09:39 PM
Replies: 7,381
Views: 2,416,385
Posted By apowers
I bought my stuff from them including the base...

I bought my stuff from them including the base plate. They are very nice to deal with.
Alvin
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