Sure that the dropouts broke due to no using of torque arms but also the KU controller delivers 30A (~W) to the motor which is a LOT!!. I received a spare controller for it today. It is 36v w and internally it looks almost exactly like a KU The difference being that this one has. I have redesigned the KU63 motor controller from BMSbattery. Here is the circuit: Don’t use the image above, download the circuit high.

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These controllers insist that the motor be stationary for some length of time before switching from forward to reverse or vice versa. I’ll dismantle it all tomorrow and have a look to see if the solder blob is maybe shorting against the adjacent tags, Q and A3. Description While working on the motor rebuild for Dalek Bob, Contrloler bought a number of brushless DC controllers for its motors.

KU63 KU93 KU controller hacking – Endless Sphere

All controllers don’t use the same connector placement. My first pass just turns off the motors; the base still continues to roll.

The PAS control panel cable has red, black, green and blue. Just check the throttle is going to throttle in the controller.


And then it stops. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. My workflow will be like this: Well, maybe not bad – but not what you want. You’ll find it perfect for what you want. It is 36v w and internally it looks almost exactly like a KU No bangs or smokeand the panel lights up an the buttons ku6 leds works ok. I shan’t bother with the brake connection on SH at the moment, as it’s just for testing. That’s just going to cause more trouble later.

I have 5 pins related to said, and I’ve got a Teensy 3. I had found that web page with my Google search, and found it to be the most informative so far on the KU Unfortunately, they also have a firmware Dave, thanks for all the effort you’ve put into checking your own controllers. I came across a number of shortcomings in each, which leaves me with controllers that I’m not using for ku633.

Then it should work. When you want to actively brake the brushless motor, controllerr just short out each of the electromagnet coils. I already know how to drive brushed DC motors, and I’ve got plenty of parts to do so.

S-KU63 250W15A 6Mosfets Controller

Yes, I should probably stop calling it “nameless” because it clearly has a label. I also documented the PWM signals including the dead time, please see here: A KU63 works on throttle only out of the box.


Q rear driving E-bike Hub Motor Voltage: With the normal KU63, all you have to do is connect the battery, ignition wire, motor with or without halls and throttle.

They’re no longer adhering to the board – par for the course with me desoldering. If so, then maybe my rewire is just feeding a higher voltage back, regardless of what the panel is showing the leds do step through the three settings when the pas button is pushed. If we can’t figure it out between us, I’ll open it.

What makes a BLDC controller good or bad?

It’s just difficult for anyone else to drive him. If you like my work, please consider making a donation. Following rule 3, I went out and bought a few.

I believe A is what you’re after anyway. Unfortunately though, none of the photos showed clearly where the wires were connected on the board, and the diagrams were all circuit diagrams, with no circuit board layouts.