Controlador de Motor Paso a Paso Bipolar Individual A4988 Edición Negra 8-35V 2A

PololuSKU:RB-Pol-235
Número de fabricante: 2128

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Descripción

  • Controla un motor paso a paso bipolar con una corriente de salida de hasta 2A por bobina
  • Proporciona resoluciones paso completo, medio paso, un cuarto de paso, un octavo de paso y un decimosexto paso
  • Control inteligente de corte para seleccionar automáticamente la corriente correcta
  • Voltaje de funcionamiento: 8 a 35V

El Controlador de Motor Paso a Paso Bipolar Individual A4988 Edición Negra 8-35V 2A es un reemplazo directo de mayor rendimiento para el portador de controlador de motor paso a paso A4988 original.

Customer Reviews

Based on 7 reviews
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(6)
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C
Choon Ngan
Good stepper driver

Easy to use on breadboard. Worked without the recommended 100uF cap for me, although your mileage may vary. Can get very hot to touch depending on the setting on the trim pot.

J
John P
Works great

I hooked it to a NEMA-17 geared stepper and had no trouble interfacing to a raspberry pi. Very small PCB. I run the motor with a light load and board does not get hot. Not hard to solder in the two header strips if you need to. I ran wires to some holes, and put headers in the rest. Make sure you pull up the RESET pin, as it will float low and turn off the driver. Have not tried to adjust the current limiting pot, though I looked at the instructions and it seems a little complicated, but glad to have the flexibility built in.

k
ken
Works well

Is all it is advertised as

M
Mike
timely delivery

Does what it says.

R
Rob
Works great, but remember ramp up!!

After struggling with a stuttering stepper motor setup for months, this little driver finally worked fine. The crucial tip is don't forget about your startup velocity ramp. It has to be linear increase in speed (not linearly decrease in step period, which produces an exponential ramp up), and it has to be slow enough to accommodate your particular motor setup. That could save you needing to upgrade power supplies, motor torque, etc, as I did in vain.

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