Allows to drive Stepper motors. Max coil current: 2.2A More powerfull and more precise than the commonly used A4988 Needs a good air flow below the chip THe heatsink is optional if you have a good air flow, but needed in order to use the max current. Maximum resultion of 1/32 micro-steps supported by 8bit micro-controlers such as Atmega 2560.
Ceramic screw diver. Great tool to adjust various kind of electronic device sensitive to Electro static dischanges such as Steper motor drivers. Model: CD-20 Type: Flat screw diver Width: 1.8mm Diameter: 0.4mm Ideal for 3D printer stepper drivers Warning: Can break easily