The A4988 Stepper Motor Driver Carrier Board
All specs are by default described for the
PCB only, without pin headers, heat sink, ..
Imperial | Metric | |
---|---|---|
🡘 | 0.6" |
15.24 mm |
🡙 | 0.8" |
20.32 mm |
20.06 gr |
1.3 g |
⚠ The PCB does not have Reverse Voltage Protection
Maximum continues current per phase.
Type | M3 | M2 | M1 | Dec |
---|---|---|---|---|
Full | 0 | |||
1 / 2 | X | 1 | ||
1 / 4 | X | 2 | ||
1 / 8 | X | X | 3 | |
1 / 16 | X | X | X | 7 |
Imperial | Metric |
---|---|
Resistors | Value | Capacitors | Value |
---|---|---|---|
R1 | 68mΩ |
C1 | 4.7μF |
R2 | C2 | 0.1μF |
|
R3 | 100kΩ |
C3 | 0.1μF |
R4 | 10kΩ |
C4 | 0.1μF |
R5 | 20kΩ |
C5 | 0.1μF |
R6 | 100kΩ |
C6 | 0.22μF |
R7 | ~ | C7 | 0.22μF |