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Ok, I have now built this controller..... but I had to leave out the overload/short circuit protection section to get it to work. I just couldn't work out how to get that part to work. However, I am pretty happy with the outcome using PWM, I now have a controller with excellent slow speed performance, not fast top speed and a green LED that brightens with speed - very cool.
This is all very well, but where is the final circuit layout with the combination of all these parts put together? Has anybody actually built this? Still a good tutorial on how it works, so I did learn a bit more. Just wish there was a simple finished diagram.
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