A
Anonymous
Mar 17, 2026
Rating: 5/5
Arduino Compatible
Uploaded code without any drivers needed. Very convenient for prototyping.
Description
Open Source STM32/Arduino/51 Servo Controller MCU Development Board, Programmable Robotic Arm Driver Board
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Main Controller | STM32F103C8T6 |
| Operating Voltage | 5V - 12V DC |
| Servo Interfaces | 16 Channels |
| Communication Protocol | UART / TTL Serial |
| Programming Support | Arduino IDE, Keil, STM32CubeIDE |
| PCB Dimensions | 50mm x 50mm |
| Weight | 12 grams |
| Max Current Output | 2A Total |
| Indicator LEDs | Power, Status, Activity |
| Material | FR-4 Fiberglass |
5 reviews
A
Anonymous
Mar 03, 2026
Rating: 3/5
Decent board
One pin was slightly bent on arrival, fixed easily. Works fine after adjustment.
A
Anonymous
Mar 01, 2026
Rating: 4/5
Good value
Documentation could be more detailed but the hardware is solid and functions as expected.
A
Anonymous
Feb 11, 2026
Rating: 5/5
Perfect for learners
Helped me understand servo timing better. Open-source code is a huge plus.
A
Anonymous
Jan 23, 2026
Rating: 5/5
Great for robotics
Works perfectly with my hexapod project. Easy to program and the pins are well labeled.
5 FAQ
Q: What is the PWM frequency?
A: The default PWM frequency is 50Hz, but it is configurable within the code.
Q: Does this support continuous rotation servos?
A: Yes, it supports standard and continuous rotation servos without modification.
Q: Does it work with 3.3V logic?
A: The board operates at 3.3V logic levels, compatible with most 3.3V microcontrollers.
Q: Is the source code available?
A: Yes, the project is open-source and the repository link is provided in the product description.
Q: Can I power it via USB?
A: Yes, via the micro USB port for logic, but external power is recommended for servos.
![[Youxin Electronics] Soil Moisture Meter Detection Module, Soil Moisture Sensor for Intelligent Robot Cars](https://www.gosteppe.com/cache/medium/product/3877/legacy-main-eca7a3fa750966e5dca86bbf.webp)
![[Puzhong Brand Store] 51 Microcontroller Learning Board Development Board Jiangxie Tech STC89C52 DIY Kit](https://www.gosteppe.com/cache/medium/product/1885/legacy-main-0474e8371f211cc54ab452b5.webp)
![[Corrosion-Resistant] DFRobot Capacitive Soil Moisture Sensor Module Dry/Wet Detection](https://www.gosteppe.com/cache/medium/product/3259/legacy-main-2f0d3454b36b32391d263648.webp)
![[Camizong] Lilith's Claw – Gothic-Style Fork Acrylic Check-In Stick for Badge Display with Magnetic Backing](https://www.gosteppe.com/cache/small/product/269664/legacy-main-61a7c901e7dad39a31ac652a.png)
![[Cao Quan Stele Beginner Set] Beginner Clerical Script Learning Set](https://www.gosteppe.com/cache/small/product/269660/legacy-main-054d3f92ef4f63a19b4a6651.webp)
