KEYES Reprap 4-Layer PCB StepStick DRV8825 Stepper Motor Driver for 3D Printer - Red + Black
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More Features than 4988 :
1, The maximum current of 2.5A.
2, Up to 32 segments.
3, 4-layer PCB, better thermal performance.
4, Smaller chip interial resistance , lower heat, better heat dissipation.
Dimensions: 20mm x 15mm (same as 4988)
Driving current: 2.5A
Subdivision: 1,1 / 2,1 / 4,1 / 8,1 / 16,1 / 32
The adjustment of driving current:
Connect the GND with a multimeter's black pen , connect the adjuster on R1 (ie potentiometer) with red pen, adjust the voltage between 0.3V - 0.6V, according to the specific motor parameters to adjust.
Note : when you install the driver module, we must pay attention to the direction that the wrong direction can cause burning module, such as the image above B1, B2, A1, A2 should be connected to the electrical interface.
|Color||Red + Black|
|English Manual / Spec||Yes|
|Download Link||8825 stepper motor drive circuit diagram: http://keyes-robot.net/viewthread.php?tid=127476; 8825 stepper motor drive parameter table: http://keyes-robot.net/viewthread.php?tid=127477|
|Dimensions & Weight|
|Dimensions||0.79 in x 0.59 in x 0.43 in (2 cm x 1.5 cm x 1.1 cm)|
|Weight||0.07 oz (2 g)|
|1 x Stepper motor driver|
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|Quantity||3+ units||5+ units||10+ units|
|Rate||US$3.66 shipped||US$3.65 shipped||US$3.64 shipped|
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