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4A Stepper Phidget

Product Code: STC1003_0
Excl. VAT: £38.88 Incl. VAT: £46.66
  • Buy 5 for £35.15 (£42.18 incl. tax) each and save 10%
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This compact Stepper Phidget gives you control of one bipolar stepper motor from a port on your VINT hub

If you're looking for a compact solution for controlling a medium-sized stepper motor, the STC1003 is an affordable and convenient option. You can control the position, velocity, and acceleration of the motor by sending commands from your program. This Phidget connects to a VINT Hub.

Safety Features

The STC1003 comes equipped with a heatsink to prevent the board from overheating during use. The power terminals on this device are polarity protected: if you happen to hook up the power supply backwards, the device simply won't power up and won't be damaged. A 5-amp automotive-style fuse is also included to protect the board from current spikes from the motor's back-EMF. This Phidget is isolated from input to output, so your VINT hub and computer will be protected if anything goes wrong.

Power Saving Options

For power-conscious users, we also allow for separate control over the current limit and the holding current limit. If you know your motor will be stationary for long periods of time, but still needs a small amount of holding torque to maintain its position, you can set the holding current appropriately without interfering with the running current limit.

With a maximum power supply of 30V, it can provide up to 8A of current to each stepper coil. The result is that you can control the position, velocity and acceleration of one large bipolar stepper using a port on your VINT Hub. Steppers are especially popular in applications where accurate positioning is important.

The Stepper Phidget comes with a number of safety features, since motors have a reputation of damaging unprotected circuits with current spikes when a motor stalls or changes direction under heavy load. There's a fuse socket with a 10A automotive fuse to protect your Phidget in just such an occasion, and the power terminals are polarity protected in case the power supply gets wired up backwards. The VINT port on this Phidget is isolated from the power circuit, so you don't have to worry about damaging your hub or computer if something goes wrong. Ensure that this Phidget is in a well-ventilated area if you plan on running it close to maximum specifications.


Board Properties

Controlled By


Controller Properties

Motor Type

Bipolar Stepper

Number of Motor Ports


Motor Position Resolution

1/16 Step (40-Bit Signed)

Position Max

± 1E+15 1/16 steps

Stepper Velocity Resolution

1 1/16 steps/sec

Stepper Velocity Max

115000 1/16 steps/sec

Stepper Acceleration Resolution

1 1/16 steps/sec²

Stepper Acceleration Min

2 1/16 steps/sec²

Stepper Acceleration Max

1E+07 1/16 steps/sec²

Sampling Interval Min

100 ms/sample

Sampling Interval Max

60 s/sample

Electrical Properties

Available Current per Coil Max

4 A

Supply Voltage Min

10 V DC

Supply Voltage Max

30 V DC

Current Consumption Min (VINT Port)

500 μA

Current Consumption Max (VINT Port)

1 mA

Quiescent Power Consumption Max

200 mW

Physical Properties

Recommended Wire Size

16 - 26 AWG

Operating Temperature Min

-20 °C

Operating Temperature Max

85 °C

Whenever possible, items which are in stock are dispatched the same day, or the next working day.

Large and/or heavy items are dispatched by UPS courier service and these orders must be placed before 15:00hrs (GMT) to ensure same day dispatch.

Small items are normally sent using a Royal Mail service for UK orders, and International Airmail or UPS for overseas orders

Returns Policy

4A Stepper Phidget

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