What do you get when you cross a glue stick with a hobby servo motor? A linear actuator, of course! Although this could be done with other household implements, the form factor of this glue stick ...

He’s using an Arduino UNO (R3) with 2 Hitec HS-311 hobby servos, some popsicle sticks, hot glue, a paper towel roll, and a bit of plywood. He wrote the code to solve the cube himself ...