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RRC Lite Controller with Built-in STM32 Chip, Supports Raspberry Pi 5 Power Supply Protocol, Integrated IMU, 4-Channel Encoder Motor Ports, Servo Ports, and USB
- 【High-Performance Main Control Chip】Powered by the STM32F407VET6 chip with a Cortex-M4 core, offering a maximum clock speed of 168MHz for robust performance.
- 【Support PD Fast-Charging】 Integrated PD fast-charging chip compatible with Raspberry Pi 5 power supply protocol, ensuring stable and continuous power for extended operation.
- 【Integrated IMU Pose Sensor】Features a high-precision IMU sensor for real-time pose detection and feedback, ideal for applications in robotic balance and navigation.
- 【Abundant Peripheral Interfaces】Includes 4-channel encoder motor ports, servo ports, USB serial ports, and more, enabling flexible control of multiple peripherals.
STM32F407VET6 Chip
STM32F407VET6 main control, Cortex-M4 core, 168MHz main frequency, built-in FPU, Murata crystal oscillator, high speed, high performance, high stability.
PD Fast-Charging Chip
The controller features a PD fast-charging chip that supports the Raspberry Pi 5 power supply protocol. It can deliver up to 5V/5A, providing ample power to the Raspberry Pi 5 and other controllers while overcoming the limitations of USB current constraints.
Industrial-Grade Circuit Protection
The controller features industrial-grade circuit protection with safeguards against reverse connection, overcurrent, overheating, and backflow, reducing the risk of burnout during operation.
Support Various Signal Input
The on-board USB and I2C expansion ports accommodate various control methods. The controller also includes control routines suitable for multiple scenarios.
Support Various Sensors
The controller is equipped with reserved I2C ports, allowing easy connection to various sensors such as the K210 vision module, 4-channel knob line follower, and RGB glowy ultrasonic sensor. This flexibility facilitates easy expansion and fosters creative applications.
Support PWM/ Serial Bus Servo
The on-board PWM servo port and serial bus servo port enable the expansion of the 5/ 6DOF robot arm and other articulated robots.
Onboard Servo Step-Down Chip
The onboard dual PWM servo voltage switch interface allows you to switch the servo power supply voltage between 5V and the controller’s supply voltage by inserting a jumper cap to connect the positive terminal. It supports servos with operating voltages from 5V to 8.4V.
Support 4-Channel Encoder Motor
The controller drives 4-channel encoder motors with PID speed control, supporting various vehicles, including 2WD, 4WD differential, mecanum, omnidirectional, steering, and Ackermann cars.
On-board PD Fast-Charging Chip
The RRC Lite Controller supports PD fast charging, delivering 5V/5A to Raspberry Pi 5 and peripherals like Lidar, ensuring stable power and preventing reboots or stuttering.
On-Board 4-Channel Indepen-dent Encoder Motor Drive
The controller drives 4-channel encoder motors with PID speed control, supporting various vehicles, including 2WD, 4WD differential, mecanum, omnidirectional, steering, and Ackermann cars.
On-Board PWM/ Serial Bus Servo Port
The onboard PWM and serial bus servo ports allow for the expansion of multi-DOF robotic arms and other articulated robots.
Abundant Peripheral Interfaces
Includes 4-channel encoder motor ports, servo ports, USB serial ports, and more, enabling flexible control of multiple peripherals.
| Parameters | |||
| Main control chip | STM32F407VET6(100PIN) | Motor drive chip | SA8870C(Overcurrent protection) |
| IMU sensor | 3-axis acceleration and 3-axis gravity acceleration | Encoder motor port | 4-Channel(Independent drive) |
| Serial servo port | 2-Channel (6-12V) | PWM servo port | 4-Channel (5-8.4V) |
| Responsive component | Buzzer * 1; LED light * 3; RGB light * 2 | Power supply | 6-14V wide voltage input |
| External power supply port | 5V 5A | ||
| Download port | Serial port one-click download | Circuit protection | Overheat, short circuit and overcurrent protection |
| Board layer | Industrial-grade dual layers | Size | 85*56*17mm |
| Mounting pitch | 57.5*48.5mm | Weight | 32g |
| Product Parameter | |
| Main control chip | STM32F407VET6(100PIN) |
| Motor drive chip | SA8870C(Overcurrent protection) |
| IMU sensor | 3-axis acceleration and 3-axis gravity acceleration |
| Encoder motor port | 4-Channel(Independent drive) |
| Serial servo port | 2-Channel (6-12V) |
| PWM servo port | 4-Channel (5-8.4V) |
| Responsive component | Buzzer * 1; LED light * 3; RGB light * 2 |
| Power supply | 6-14V wide voltage input |
| External power supply port | 5V 5A |
| Download port | Serial port one-click download |
| Circuit protection | Overheat, short circuit and overcurrent protection |
| Board layer | Industrial-grade dual layers |
| Size | 85*56*17mm |
| Mounting pitch | 57.5*48.5mm |
| Weight | 32g |
| Item | Specification |
| Main control chip | STM32F407VET6(100PIN) |
| Motor drive chip | SA8870C(Overcurrent protection) |
| IMU sensor | 3-axis acceleration and 3-axis gravity acceleration |
| Encoder motor port | 4-Channel(Independent drive) |
| Serial servo port | 2-Channel (6-12V) |
| PWM servo port | 4-Channel (5-8.4V) |
| Responsive component | Buzzer * 1; LED light * 3; RGB light * 2 |
| Power supply | 6-14V wide voltage input |
| External power supply port | 5V 5A |
| Download port | Serial port one-click download |
| Circuit protection | Overheat, short circuit and overcurrent protection |
| Board layer | Industrial-grade dual layers |
| Size | 85*56*17mm |
| Mounting pitch | 57.5*48.5mm |
| Weight | 32g |
Questions & Answers
Have a Question?
-
Can I use this controller with a raspberry pi to control the Maxarm, I got a 2nd one, but the esp32 controller doesn't work. It was used and not put together correctly by the prior owner.
Hello,
When controlling the MaxArm using a Raspberry Pi and STM32 chip, there are no specific tutorials available. You may need to conduct your own research to explore and implement the solution
-
Is there pre-installed firmware on the board or will we need to flash it onto the board? And is the code and schematics for the board available as open source resources (since there is no documentation or repo linked here)?
Yes, the board comes with the firmware pre-installed. To access the code and schematics, please use the following link: https://drive.google.com/drive/folders/1XBL2pdDXOVoiNNGgitFoBGrAt86nP8Ex?usp=sharing.
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