Dual Axis Stepper Motor Controller Parts List
The following parts are needed to populate the controller board:
| Designation | Value | Quantity | Distributor | Part Number | Price ea. |
| C1,C2 | 47uF/35V | 2 | Digikey | P6361-ND | 0.43 |
| C3-C7 | 0.1uF/50WV | 5 | Digikey | P4525-ND | 0.17 |
| R1-R12 | 4.7K/1/8W | 12 | |||
| RN1-RN3 | 4.7K SIP | 3 | Digikey | Q9472-ND | 0.42 |
| D1-D2 | 3.9V/5W | 2 | Digikey | 1N5335BMSCT-ND | 1.41 |
| U1,U2 | 74HC151 | 2 | Digikey | MM74HC151N-ND | 0.96 |
| U3,U4 | SAA1042 | 2 | Newark | SAA1042 | 9.68 |
| U5 | 74HC86 | 1 | Digikey | MM74HC86N-ND | 0.88 |
| U6,U11 | 74HC02 | 1 | Digikey | MM74HC02N-ND | 0.73 |
| U7-U10 | 74HCT160 | 4 | Digikey | CD74HCT160E-ND | 0.74 |
| U12,U13 | 74HC74A | 3 | Digikey | MM74HC74AN-ND | 0.88 |
| U14 | 74HC4040 | 1 | Digikey | MM74HC4040N-ND | 1.56 |
| U15 | 4 MHz OSC | 1 | Digikey | SE1203-ND | 3.30 |
| SW1,SW2 | DIPSWITCH | 2 | Digikey | A5208-ND | 1.50 |
| Q1-Q4 | 2N2222 | 4 | Newark | 2N2222 | 0.30 |
The following parts are optional:
| Designation | Value | Quantity | Distributor | Part Number | Price ea. |
| SW3 | Thumbwheel | 4 | Digikey | CH175-ND | 7.88 |
| End Caps | 1 | Digikey | CH186-ND | 1.08 | |
| SW4-SW7 | Push Button | 4 | Digikey | CKN4000-ND | 4.29 |
| SW8 | Rocker | 1 | Digikey | CKC2012-ND | 3.45 |
| CON1 | D-sub female | 1 | Digikey | A2047-ND | 1.45 |
| CON2 | D-sub male | 1 | Digikey | A2043-ND | 1.39 |
Thanks goes to Ed de la Rie for creating this page.