GM11 is a popular motor

Grove - 4 pin Female Jumper to Grove 4 pin Conversion Cable (5 PCs per Pack) $4.95 4 Pin jumper wire for easy Grove-to-Arduino connections. Infrared LED Emitter $0.50 Standard sized T1-3/4 infrared emitting LED. Raspberry Pi Relay Board v1.0 $29.40 The Relay Shield contains four high quality relays and provides NO/NC connections to control […]

This week, we've had a lot of fun with our Epilog Laser. And by fun, I obviously mean "turmoil and general miserableness". Fortunately, we've sorted the issue out. What I'm going to do is chronicle our pains, describing the exact issue and solution, so that The Googles will index the knowledge for other explorers of […]

..and we are back to (relatively) normal from an exciting and exhausting weekend at the Comic Expo. The update with many pictures coming soon!

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 […]