Mark Lecturing in Maryland, not Texas!

Prop SX Controller $103.99 Advanced prop designers and industrial engineers have asked us for more horsepower and that's what we've delivered with the Prop-SX. LK204-24-USB-WB USB LCD Module $103.00 USB 4 line by 20 character Display with lots of features! White on blue. 2.8" TFT Touchscreen $47.18 Add some jazz & pizazz to your project […]

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 […]

For all of you politically inclined, here's the latest news on the U.S. election process. The results will be known tomorrow, but for now - the fight is on! These sumorobots are totally autonomous. "No Radio control and no preset behavior. Or lobbyists." - as the author of the video puts it.

Inspired by the Ice Bulb published on Instructables, we decided to create our own version. Ice bulb suggests that we use a balloon to shape the ice and before it freezes, add an LED so that it can glow. Since we decided to use a whole bunch of LEDs (on a string), we opted to […]