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braking modes. Note that having access to an oscilliscope is extremely helpful, if not essential, to doing thisproject. If you don have access to a scope, I have added some suggestions for how it might be done without one (step 5).One thing that this project doesn have that should be included in any practical motor controller is any safety features, such as overcurrent protection. As it is, the worstthing that can happen is that you burn out the HD motor. However, it would not be too difficult to implement overcurrent protection with the current hardware, and perhapsI will do it at some point. If you try controlling a larger motor, please do add overcurrent protection, to protect your motor, and for your own safety.I would like to try using this controller with a larger motor that can do some "real" work, but I don have a suitable motor yet. I noticed an 86W motor for sale on eBay foraround $40.00 that seems like a good candidate. There also an RC website called "GoBrushless" that sells kits for putting together your own BLDC. These are not tooexpensive and building one is a worthwhile experience. Note that the motors from this web site do not have Hall sensors.Whew! It was a lot of work to write up this instructable. I hope you find it useful and please post your comments and suggestions.Hi, I thought I had replied to you already. Anyway, The ESC is controlled by using PWM at a certain frequency (I forgot the value, but you can look it up). You will need some method of measuring the rotational speed of the motor, to give your control system feedback. I tried measuring the back EMF period from a