Thread: Low cost BMS
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Old 02-17-2013, 05:14 AM   #80 (permalink)
filip
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Quote:
Originally Posted by harlequin2 View Post
Yes, that "assigning" might be the difficult part. You might be able to do it by having a jumper on each board to control the power - the controller would assign the next vacant address to the next module to respond and you would control that by powering them up via the jumper, one at a time.
I'd rather avoid such delicate mechanical connectors if possible - maybe an 'address assign mode' jumper would be better - it wouldn't fail when using the car, because it wouldn't be there.

Couldn't we just use the ISP connector to set up the addresses?

Another possibility:

When programming the cell modules the primary controller unit IR diode is covered with something similar to a pen cap (or disabled by software) and another one is hooked up with a wire. The second IR diode works with much less current (let's say 2% of the current of the main diode) and is enclosed in a tube so that you can put this tube over any cell module's IR receiver and talk just to this one.
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