We’ve all worked with DC motors at some point. Even if you
aren’t a big hardware person, you’ve probably at least picked up
a motor as a kid and touched a battery to the leads causing it
to whir to life. These are usually standard DC motors and not
their brushless relatives. Brushless motors require a bit more
work since you are manually controlling things that are normally
taken care of with the brushes. This article won’t teach you
how, rather it will show you the mistakes one person made in his
inaugural effort to use them. It is mildly amusing, but the
project summary that he’s using them for seems even more
interesting. The job that’s been paying my bills and keeping me
away from artsy-fartsy circuits for the past six months involves
making a set of these enormous robot doors for a Certain Very
Fancy Person’s house. Each door is 13 feet tall, around 7 feet
wide, and weighs 1500 pounds. There are 66 of them in said
house, and more in the servant quarters(!?!). The circuits on
board each door have to handl