4 Channel Stepper Driver Shield

  • ArduinoTM UNO Shield standard form factor for simple integration into any Arduino project
  • Frees up the ArduinoTM IO lines normally used for motor control
  • I 2 C interface for simple connection to Arduino or Raspberry-PI
  • On-board 5Volt 3Amp regulator, with heat-sinking, for stepper motor and external 5V supply
  • 8bit (1 to 255) level step speed control for each motor
  • 16bit (1 to 65535) number of steps control for each motor
  • Movement complete status for each motor
  • Global activation control ensures all motors start moving together, important for 2/4 wheel drive rovers
  • I 2 C address links allow up to four [4] shields to be used together to provide up to 16 motors
  • LVD, RoHS and WEEE compliant product

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Product Code: IES-SHIELD-STX4 Categories: ,

Description

The IES-SHIELD-STX4 is a four [4] channel 5V or 6-12V (jumper selectable) Unipolar stepper motor driver with advanced control features.

Specifically targeted at the Arduino UNO board user [all other Arduino boards supported] and the Raspberry-PI the STX4 features high speed I2 C communication for easy project integration and smooth speed control.

Once connected each stepper motor can be stepped in either direction a number of steps (with speed control), continually stepped (with speed control), stopped (with holding torque or completely off ), with selectable 1 or 2 phase excitation, by simply writing a value to an internal register over the connected I2 C interface.

The STX4 supports all 5-12V unipolar (5 wire) stepper motors (with a minimum winding resistance of 20R [250mA]) and also provides global activation of new stepper positions & movement complete registers for superior control.

The STX4 provides a high power regulator capable of supplying 5V @ 3A to the connected servos from an external Li-Pol or Ni-MH battery pack of 7.2 to 8.4V and a 5V @ 1A USB A power output to power an externally connected Arduino board or Raspberry-Pi.

Alternatively a jumper selection allows servos with a maximum 12V operating voltage to be used. The on-board I2 C pull-ups are jumper configurable to allow disconnection when connecting to the Raspberry-PI, which has its own pull-ups

Software

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Quickstart 

Click here to download quickstart guide

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