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Green rectangular circuit board with black connectors and silver solder pads

Adafruit

Adafruit Motor Stepper Servo Shield v2.3 Kit for Arduino

SKU CH-GQFY-PEKW1

Stackable motor shield drives four DC or two stepper motors with TB6612 drivers at 1.2A each and supports up to 32 shields via I2C

  • Stackable design supports up to 32 shields for 64 steppers or 128 DC motors
  • TB6612 MOSFET driver delivers 1.2A per channel with 3A peak current capability
  • Dedicated PWM driver chip uses only two I2C pins for motor control
  • Four H-bridges drive bi-directional DC motors with 0.5% speed resolution
  • Polarity protection FET and prototyping area simplify safe robotics builds

Motor Shield Kit for Arduino Projects

The Adafruit Motor Stepper Servo Shield v2.3 Kit lets makers drive up to four DC motors or two stepper motors from a single Arduino board. It uses a TB6612 MOSFET driver instead of the older L293D, delivering 1.2A per channel with 3A peak current and lower voltage drop for better torque. The fully dedicated PWM driver chip handles all speed control over I2C using only the SDA and SCL pins, leaving other pins free for sensors or additional shields.

Check Power Supply and Pin Availability

Before ordering, verify your project can supply motor power between 4.5VDC and 13.5VDC through the large terminal blocks that accept 18 to 26AWG wire. The shield draws logic power from the Arduino but requires a separate motor supply; ensure your power source can handle the combined stall current of all connected motors. You will also need to solder straight or stacking headers and the terminal blocks onto the board before use.

Thermals Noise and Power Draw

Each H-bridge includes thermal shutdown protection and internal kickback diodes, so the driver protects itself if a motor stalls or the board overheats during extended runs. The MOSFET design runs cooler than Darlington alternatives because of the lower voltage drop across the channels. In normal operation the shield adds minimal electrical noise to the I2C bus and draws negligible current from the Arduino's own regulator.

商品特色

  • Stackable design supports up to 32 shields for 64 steppers or 128 DC motors
  • TB6612 MOSFET driver delivers 1.2A per channel with 3A peak current capability
  • Dedicated PWM driver chip uses only two I2C pins for motor control
  • Four H-bridges drive bi-directional DC motors with 0.5% speed resolution
  • Polarity protection FET and prototyping area simplify safe robotics builds

商品規格

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商品問答

Does the v2.3 kit include headers and terminal blocks or must I buy them separately?

The shield arrives assembled and tested; you only need to solder on straight or stacking headers and the terminal blocks yourself.

How many shields can I stack and how many motors does that support?

Five address-select pins allow up to 32 stacked shields, driving 64 stepper motors or 128 DC motors in total.

What does the 1.2 A per channel rating mean for my motor choice?

Each TB6612 H-bridge supplies 1.2 A continuous (3 A peak) from 4.5 V to 13.5 V, so select DC or stepper motors rated within that current and voltage range.

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