Sumovore Line-follower

Every year a group of my friends have an engineering Secret Santa. The rules are simple: make something cool for under $20 that requires engineering to complete. In years past we’ve seen Google cardboard VR headsets that are 6DOF, match stick rockets, 3D printed fans that explode when used, 3D printed rockets with cardboard launch […]

Alriiiight - it's time to shake and twist and turn! We got three new toys to show off, and they're all about movement: Pololu Wheel Encoder (for 42x19mm wheel) Rubber Tire Replacements for RW2 Sanyo SMD Vibra Motor Now, these are fantastic and all, but we know that everyone has the same burning question that […]

The instructions for assembling the Pi v3 and the previous acrylic Pi SAFE are quite similar. The only difference between the models is the location of the LED light pipes, so these Pi3 instructions apply generally to all Pi SAFE versions. 1. Your Parts! 8 x 4-40 nuts 8 x 4-40 x 3/8" bolts 2 […]

Question: What ever happened to punch cards? Nobody really knows, but the world became a much much darker place without them. There was something undeniably magical about making a computer do your bidding through feeding it a piece of paper with a bunch of holes in it ("THE ULTIMATE POWER IS MINE! I CAN NOW […]