Circuit: Stepper Motor

...DON'T FORGET ABOUT THE OVEN. You'll burn the cookies while eating the dough! Just got a new LOUD oven timer to make sure somebody is standing over the PCBs when the timer is about up. Pick and place machines tend to drown out gentle oven beeps!

Here in Canada, we think those plucky British monarchs are pretty swell. So swell that to this day we still celebrate Queen Victoria's birthday every year on the Monday before May 25th. The fact that Queen Victoria died waaaay back in 1901 doesn't seem to phase us at all. We're pretty hardcore that way. So […]

Today August 21, 2017, we were treated to about 80% solar eclipse. In spite of the smoke, the weather cooperated so we couldn't miss this event. Pinhole projector boxes were made out of cereal and shipping boxes: Fancy ones were mounted onto a tripod, and a phone camera recording a time lapse video was taped to […]

The following instructions detail how to build a simple pummer using a BC2 (Bicore) BEP (Bicore Experimenter PCB). A pummer is a solar powered self activating LED flasher. The difference between a pummer and a BLFNAR (blinky light for no apparent reason) is that a pummer has a soft turn off, which means that it turns on fast, but slowly fades away.