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Hiwonder
Raspberry Pi 5 Expansion Board, Servo Motor Driver, ROS Robot Manipulator Arm Smart Car Controller
Product SKU: HW2019507
- Compatible with both the latest Raspberry Pi 5 models, featuring identical interfaces. No external flat cables are required, and supports peripherals such as active heat sinks.
- Leveraging a Cortex-M3 32-bit high-performance ARM chip, it communicates via the MCU serial port to independently drive peripherals such as servos and motors. This alleviates the workload of Raspberry Pi 5, significantly enhancing the processing efficiency and speed for Raspberry Pi robots.
- Featuring a 6-aixs attitude sensor MPU6050, it facilitates the initialization of IMU registers and printing of raw 6-axis IMU data, encompassing 3-axis accelerator and 3-axis gyroscope. The model A expansion board exclusively supports motors. Both model A and B accommodate PWM and bus servos. The Model C is tailored solely for PWM servo compatibility.
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Application Project
Hiwonder Raspberry Pi 5 expansion board integrates a Cortex-M3 32-bit high-performance Arm chip, utilizing cyclic redundancy check (CRC) algorithm for communication, thereby driving servos, motors, sensors and other executable components. With support for secondary development and expansion, it emerges as the optimal choice for developing robotic arms, articulated humanoid robots, and robot cars.
Product Features
Cortex-M3 32-bit High-performance ARM Chip
Leveraging a Cortex-M3 32-bit high-performance ARM chip, it communicates via the MCU serial port to independently drive peripherals such as servos and motors. This alleviates the workload of Raspberry Pi 5, significantly enhancing the processing efficiency and speed for Raspberry Pi robots.
High-precision IMU Attitude Senor
Featuring a 6-aixs attitude sensor MPU6050, it facilitates the initialization of IMU registers and printing of raw 6-axis IMU data, encompassing 3-axis accelerator and 3-axis gyroscope. (Supported only on expansion board models B/C.)
Connect to 4 Motors Simultaneously
It is capable of driving four motors simultaneously and implementing PID speed control. This accommodates the interface requirements of a wide range of robotic car models, including two-wheeled, differential four-wheeled, mecanum wheel, omnidirectional wheel, steering, and Ackermann robot cars.
Support PWM/Bus Servo
The onboard PWM servo ports and serial bus servo ports enable seamless development for 6-degree-of-freedom robotic arms and other humanoid robots. (Model A/B supports both PWM and bus servos, while model C solely supports PWM servo.)
Ample Peripheral Interfaces
The model A expansion board exclusively supports motors. Both model A and B accommodate PWM and bus servos. The Model C is tailored solely for PWM servo compatibility.
Raspberry Pi 5 Expansion Board Model A
Raspberry Pi 5 Expansion Board Model A
Structure Indication
Dimensional Diagram
Application Scenario
Raspberry Pi 5 Expansion Board Model B
Raspberry Pi 5 Expansion Board Model B
Structure Indication
Dimensional Diagram
Application Scenario
Raspberry Pi 5 Expansion Board Model C
Raspberry Pi 5 Expansion Board Model C
Structure Indication
Dimensional Diagram
Application Scenario
| Product Specification | |||
| Model |  Model A |
 Model B |
 Model C |
| Processor | Cortex-M3 32-bit high-performance Arm chip | ||
| Co-MCU | Featuring 1 Co-MCU, it effectively distributes the workload from the Raspberry Pi, reducing resource utilization on the Raspberry Pi. | ||
| IMU attitude sensor | / | 3-axis accelerator/ 3-axis gyroscope | |
| Power input | 5V-12 | ||
| Motor control | 4-lane motor port | / | / |
| Bus servo port | 2-lane bus servo port | 6-lane bus servo port | / |
| PWM servo port | 6-lane PWM servo port | 2-lane PWM servo port | 11-lane PWM servo port |
| IIC port | 3-lane IIC port | 4-lane IIC port | 2-lane IIC port |
| GPIO port | 2-lane GPIO port | ||
| RGB lights | 2 RGB lights support user customization | / | 2 RGB lights support user customization |
| Buzzer | Featuring 1 buzzer that support user customization. | ||
| Programmable customization key | Featuring 2 keys that support user customization. | ||
| Dimension | 65mm*65mm | ||
| Weight | 31g | ||
| Mounting hole spacing | 58mm | ||
| Board layer | Industrial-grade double-layer board | ||
| Item | Specification | ||
| Product | Model A | Model B | Model C |
| Processor | Cortex-M3 32-bit high-performance Arm chip | ||
| Co-MCU | Featuring 1 Co-MCU, it effectively distributes the workload from the Raspberry Pi, reducing resource utilization on the Raspberry Pi. | ||
| IMU attitude sensor | / | 3-axis accelerator/ 3-axis gyroscope | |
| Power input | 5-12V | ||
| Motor control | 4-lane motor port | / | / |
| Bus servo port | 2-lane bus servo port | 6-lane bus servo port | / |
| PWM servo port | 6-lane PWM servo port | 2-lane PWM servo port | 11-lane PWM servo port |
| IIC port | 3-lane IIC port | 4-lane IIC port | 2-lane IIC port |
| GPIO port | 2-lane GPIO port | ||
| RGB lights | 2 RGB lights support user customization | / | 2 RGB lights support user customization |
| Buzzer | Featuring 1 buzzer that support user customization | ||
| Programmable customization key | Featuring 2 keys that support user customization | ||
| Dimension | 65mm*65mm | ||
| Weight | 31g | ||
| Mounting hole spacing | 58mm | ||
| Board layer | Industrial-grade double-layer board | ||
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