Quantity   Component name
1 × Controller pcb Order from OSHPark as ....
1 × STI6606z or AX1201728SG controller chip The controller chip for 12 step microstepping
1 × C1, C6 6.8uF, 10 to 25V 0805 capacitor
1 × C2, C5 4.7uF, 10 to 25V 0805 capacitor
1 × C3,C4 100nF, 10 to 25V 0603 capacitor
1 × R1 thru R9 10k. 1/10 W, 0603 resistor
1 × J1 1x5, 0,1" spacing, through hole connector (optional)
1 × J2,J4 1x8, 0,1" spacing, through hole connector (optional)