Prices + Stock updated 16 Sep @ 20:03
This item is no longer available. This information is for reference only
Pololu A4988 Stepper Motor Driver
This item is no longer available, you cannot order it
These tiny boards provide the electrical pulses needed to get a stepper motor to move, under instruction from the RAMPS board. Compatible with RAMPS 1.4 boards, which need 4 of these. Provided in kit form with header strips (you need to solder them) and now with a heat sink.
Capable of Full to 1/16th microstepping. Power input from 8-35V with logic voltage of 3-5.5V. Four, six, and eight-wire stepper motors can be driven if properly connected. Click More Info for full details at the Pololu website.
These are not compatable with the Makerbot or MBot motherboards as the MS3 pin on these boards is used for a different purpose (VR - Reference Voltage) on the Mightyboards.
Features
Specs
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Dimensions: 75x70x5mm
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This product has no specific warranty. Bilby 3D will honor obligations under Australia Consumer Guarantee regulations if and where they apply to this product
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This board is a drop-in replacement for the A4988 Pololu board. It is superior in that it can handle 1.5A instead of 1A without extra cooling, and rated upto 2.2A with a heatsink and fan. It also has microstepping resolutions down to 1/32 microsteps (instead of 1/16th)
Comes with a header strip which needs to be soldered on for mounting to a RAMPS shield, but is left off so you have the option of using it in a different way, such as attaching to a ribbon cable or breadboard.
Supplied without a heatsink (available seperately).
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Heat Sink for SMD 6.3 x 4.8mm
This tiny heat sink fits on a Surface Mount Device, such as the chip on the Pololu Stepper Driver (A4988). We add a special 3M double sided tape impregnated with heat conducting material
For the heat sink alone:
Dimensions 6.3 x 5.1mm, 4.8mm high
Thermal Resistance 123 degC/W
Color: Black
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StepStick A4988 Stepper Motor Driver (Pololu Compatible)
These tiny boards provide the electrical pulses needed to get a stepper motor to move, under instruction from the RAMPS board. Compatible with RAMPS 1.4 boards, which need 4 or 5 of these. Provided with headers already soldered and a heat sink
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This board is a drop-in replacement for the StepStick A4988. It is superior in that it can handle 1.5A instead of 1A without extra cooling, and rated upto 2.2A with a heatsink and fan. It also has microstepping resolutions down to 1/32 microsteps (instead of 1/16th)
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