DescriptionThe M5Stack C-Back HAT is a servo driver expansion board for M5StickC projects. It uses an STM32F030F4P6 control solution and communicates with M5StickC through the I2C interface.The board provides four…
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The M5Stack C-Back HAT is a servo driver expansion board for M5StickC projects. It uses an STM32F030F4P6 control solution and communicates with M5StickC through the I2C interface.
The board provides four PWM servo drive interfaces. The servo drive power is directly connected to the M5StickC internal battery, which can drive common servo models such as SG90 according to the official product description.
The M5Stack C-Back HAT also brings the I2C bus out from the top of the StickC and provides an additional GPIO interface through the STM32 for general logic-level input/output and ADC analog signal input reading. LEGO-compatible holes on the back make it easier to integrate the driver board into LEGO-style structures and servo robotic arm projects.
| MCU | STM32F030F4P6 |
| Communication Interface | I2C @ 0x38 |
| Servo Drive Interfaces | 4 x PWM servo drive |
| Working Current | 15mA |
| Product Size | 23.7 x 49.2 x 21.0mm |
| Product Weight | 9.0g |
| Package Size | 138.0 x 93.0 x 22.0mm |
| Gross Weight | 13.5g |
| 1 | Hat CBack Driver |
| 2 | Hexagon Screw M2 x 5 |
| 1 | Hex Key L-Shape |
| 1 | LEGO Compatible Connector |
| I2C Address | 0x38 |
| Servo Power | Servo drive power is directly connected to the M5StickC internal battery. |
| Typical Servo Example | General specification servos such as SG90 are listed by the official description. |
| Expansion | I2C bus, GPIO logic-level input/output, and ADC analog input reading. |
| Mounting | Back-side LEGO-compatible hole design. |
The M5Stack C-Back HAT is an expansion HAT. The official product list does not include an M5StickC controller or servos.
It is a servo driver HAT for M5StickC projects, suitable for servo control, robot control, and servo robotic arm structures.
The official description lists four PWM servo drive interfaces.
The board communicates through I2C at address 0x38.
The official product list includes 1 x Hat CBack Driver, 2 x M2 x 5 hexagon screws, 1 x L-shape hex key, and 1 x LEGO compatible connector.
No. The official product list does not include an M5StickC controller or servos.
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