Comments | c0re_dump: Meanwhile, back at Dorkbot...

c0re_dump

Meanwhile, back at Dorkbot...

Nov 19, 2008 22:12

I showed off a little circuit at Dorkbot that I'd made up on a breadboard. It's basically just a brushless DC motor from a CD-ROM drive, hooked up to three comparators and some LEDs. The three hall-effect sensors in the BLDC motor generate about 150mV, and change polarity as the motor is turned by hand. This makes a contactless rotary position ( Read more... )

bldc, hall effect, calculator, programming, msc, pic, dorkbot, masters degree, motor, leds

Comments 1

loopback0 November 20 2008, 13:45:53 UTC

That's very cool John :) I love seeing electronics getting re-puposed like that as it gives an understanding of how they work. I bet you hadquite a crowd!

I thought of you yesterday as I picked up a magazine guide to setting up a workshop, and it featured lathes. I so need space for a little workshop. It's exclusive to Smiths if you want to pick up a copy.