[sudo-discuss] wheelchair motor controller

[Jake]

wow, you have done well.

the answer is that it detects the missing wheel because it can't see its 
BRAKE electromagnet.

the solution is to connect a resistor  to the place where the other 
motors' brake coil would connect.  it should be a resistor of a similar 
value to the brake coil on the motor you do have, or maybe more ohms so it 
uses less power when it gets energized.

a lightbulb might work, but it will see 24VDC when energized, so it would 
need to be a 24v bulb or two identical 24v bulbs in series.

as for the anderson connectors on the motor controller, please don't cut 
them or mess them up - if you need to connect to them (for example to 
connect to the brake contacts for the missing motor) there should be other 
anderson terminals in the basket where the motor was.  Thanks for not 
hacking up the wires on the motors controller.

and congratulations, you're close!  once it works, we can use the other 
electronics (this is from an old robot) to automate the process of sending 
the screen up and down.

-jake

On Wed, 15 Jul 2015, Robert Benson wrote:

> Hey all, I'm trying to build a winch for the 14' projection screen that going up over the ballroom stage out of a wheelchair motor assembly. Per Jake's suggestion,
> I hacked 2 server PSUs to get 24v at 14a but the controller is not working and the error code says the right wheel/motor is missing/not engaged. Anyone know what I am
> missing? Do I need to jump something to get the controller to engage while it is "incomplete"?
> 
> Thank you,
> robb
> let thar b lulz
> 
>