DC Motor Driver HAT(V1.0) for Raspberry Pi
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Raspberry Pi HAT for driving two DC motors (with encoder support) via I2C using an STM32 controller and TB6612FNG driver chip.
Raspberry Pi HAT for driving two DC motors (with encoder support) via I2C using an STM32 controller and TB6612FNG driver chip.
External power positive input for the motor driver board.
External power negative / ground return for the motor supply.
Encoder 1 positive supply/output connection for a motor encoder.
Encoder 1 negative / ground connection.
Encoder 1 A-phase output signal.
Encoder 1 B-phase output signal.
Motor 1 positive terminal.
Motor 1 negative terminal.
Motor 2 negative terminal.
Motor 2 positive terminal.
Encoder 2 B-phase output signal.
Encoder 2 A-phase output signal.
Encoder 2 negative / ground connection.
Encoder 2 positive supply/output connection for a motor encoder.
Raspberry Pi HAT connector uses I2C to communicate with the onboard STM32 motor controller at default address 0x10.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| + | Pinout table row 1 | Power | External power positive input for the motor driver board. | 7V-12V external motor supply |
| - | Pinout table row 2 | Ground | External power negative / ground return for the motor supply. | |
| E1+ | Pinout table row 3 | Power | Encoder 1 positive supply/output connection for a motor encoder. | |
| E1- | Pinout table row 4 | Ground | Encoder 1 negative / ground connection. | |
| E1A | Pinout table row 5 | GPIO | Encoder 1 A-phase output signal. | |
| E1B | Pinout table row 6 | GPIO | Encoder 1 B-phase output signal. | |
| M1+ | Pinout table row 7 | Power | Motor 1 positive terminal. | |
| M1- | Pinout table row 8 | Power | Motor 1 negative terminal. | |
| M2- | Pinout table row 9 | Power | Motor 2 negative terminal. | |
| M2+ | Pinout table row 10 | Power | Motor 2 positive terminal. | |
| E2B | Pinout table row 11 | GPIO | Encoder 2 B-phase output signal. | |
| E2A | Pinout table row 12 | GPIO | Encoder 2 A-phase output signal. | |
| E2- | Pinout table row 13 | Ground | Encoder 2 negative / ground connection. | |
| E2+ | Pinout table row 14 | Power | Encoder 2 positive supply/output connection for a motor encoder. | |
| Raspberry Pi 40-pin header: SDASCL | Raspberry Pi HAT connector, logical interface from specification | I2C | Raspberry Pi HAT connector uses I2C to communicate with the onboard STM32 motor controller at default address 0x10. | 5V logic board, I2C communication |
External power positive input for the motor driver board.
External power negative / ground return for the motor supply.
Encoder 1 positive supply/output connection for a motor encoder.
Encoder 1 negative / ground connection.
Encoder 1 A-phase output signal.
Encoder 1 B-phase output signal.
Motor 1 positive terminal.
Motor 1 negative terminal.
Motor 2 negative terminal.
Motor 2 positive terminal.
Encoder 2 B-phase output signal.
Encoder 2 A-phase output signal.
Encoder 2 negative / ground connection.
Encoder 2 positive supply/output connection for a motor encoder.
Raspberry Pi HAT connector uses I2C to communicate with the onboard STM32 motor controller at default address 0x10.
PWM · I2C · UART · Wide input · Breakout
Confirm the data interface matches your host board.
Module pins: +, -, E1-, E2-, Raspberry Pi 40-pin header: SDA/SCL. Schematik maps them to your board in the app.
H-bridge breakouts from 1A to 43A (DRV8871, TB6612FNG, BTS7960), stepper drivers (A4988, TMC260, TB6600), I2C servo/solenoid controllers, and Pi/Arduino shields — sized by current and protocol.
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