This expansion board includes an A4988 stepper motor driver providing for straightforward hookup to your Ardiuno or other micorcontroller and stepper motors.
The jumpers 1-3 correspond to the A4988's MS1, MS2 and MS3 settings to control the step resolutions. The JST connector Jm is connected to the motor(s), pins 1-4 correspond to 1B, 1A, 2A and 2B, respectively. Jv is the support power supply, connected to 5V and 9V-24V power supply. Jc's ESDG respectively corresponding to connected EnableStepDirGnd drive signal output.
Expansion Board Specifications:
Color: Red
Size: Approx. 43 x 35 x 10mm
A4988 Board Specifications:
Minimum operating voltage: 8V
Maximum operating voltage: 35V
Continuous current per phase: 1A
Maximum current per phase: 2A (with cooling)
Minimum logic voltage: 3V
Maximum logic voltage: 5.5V
Thermal shutdown circuitry
Ground fault protection
Load short-circuit protection
Microstep resolutions: Full, 1/2, 1/4, 1/8 and 1/16
Package contents:
1x A4988 Expansion Board 1x A4988 Stepper motor driver module 1x A4988 Heatsink Printed Operation and Programming Instructions
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