In order to prevent Xyster from "spamming" my threads with solicitations for me to look at this circuit...
Hmmmmm... remember the "battery throttle" concept?
miro13car wrote:Here are schematics of 36V 9Ah made of e-moli V18 packs which are under contruction right now during my vacation.
I will be installing double Milwakee chargers on bicycle , complete with the cord. So you can see each charger is switched between 3 batteries.
Before that batteries are separated.
Opportunity charging here in Alberta is aboundant with power left on after winter in many outside receptacles.
29a wrote:Hi guy's
Being electronically illiterate i don't know if this is possible,
I'd like a net battery meter something that you input your AH + voltage (or better still it learns your capacity) making it adaptable to any bike. It constantly monitors your used amps at the constant voltage (subtracts from total)and tells you how much as a percentage (or some indicator) of full power you have left.
Allso a button to take you back in time to just before you did that thing that trashed your bike !
Jozzer wrote:i've got a request...
Can anyone explain how I could rig up an overheat cutout for the motor? Thermister in the moter, could it be configured to use the controllers LVC circuit? Or if too complicated, how about just a warning light that comes on over 80 degrees C?
Jozzer wrote:Any easy circuits to be made to handle adjustable low voltage cutoff for a pack discharger?
And on a similar note, an adjustable max voltage cutout for charging?
Bonus points for a cicuit that does both
bobmcree wrote:as justin pointed out to me, the ebrake line can be used as the input for the pull-down current/speed limiter. the ebrake input is connected to the throttle line through a diode and 10k series resistance, so the control line from the limiter, or any other device that functions by pulling down the throttle signal, can simply be connected to the ebrake line without the need for any additional circuitry. additionally, the thermal cutout on the pcb is connected to this line. the thermal cutout simply grounds the throttle signal when the board overheats. this way it is not necessary to switch large currents directly.
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