[Bart] built a couple dozen Pololu compatible relay drivers. If you have a Reprap, you’re probably familiar with the Pololu stepper motor driver. These tiny pieces of kit provide stepper motor ...

The Easy Stepper Motor Controller is a very simple board with connections to a motor, a power supply, and headers for a single Pololu or Stepstick motor driver. Two buttons and a pot control the ...

TMC2209 is a stepper motor driver chip from German firm Trinamic that I suspect ... In many printers, the stepper drivers can be changed as they are fitted as ‘Pololu’ carrier boards or ‘stepsticks‘ – ...