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I'm using one throttle to active two controllers which control two hub motors that are support by two independent batteries but common ground. There both has a switch between battery and controller. The wiring is like: (sorry for the ugly drawing) My problem is when I turn on the switch of...

Thank you sooooo much

Which one will be better? To parallel the two batteries or just make the ground of the batteries common?

As the title mentions, I'm using one throttle wiring two independent controllers with two batteries, and the batteries are not common ground. I've seen some videos that use one throttle wiring two independent controllers but with one battery. So the wiring of the throttle goes 5V GND SIGNAL to...

Thank you for your reply! So can I say : if I have a 26" wheel and it is speeding at 200 rpm, and the e-bike's speed is unknown. The e-bike's speed can be calculated as 25km/hr? No matter it is one wheel drive or two wheel drive? How about when the e-bike is turning? Is there any formula or...

Hello everyone, I am a student from Taiwan and I am wondering: 1.How to convert the wheel speed(rad/s or RPM) to the e-bike(two wheel drive) speed(m/s or km/hr)? 2.Is there any formula or equation that can represent the relationship between wheel speed(rad/s or RPM) and e-bike(two wheel drive)...