# Bras robot low-cost
### Modèles commerciaux fermés
#### Niryo Ned 2
- 6DOF + Pince
[https://niryo.com/fr/produit/bras-robotise-6-axes/](https://niryo.com/fr/produit/bras-robotise-6-axes/)
[https://github.com/NiryoRobotics](https://github.com/NiryoRobotics)
#### DAGU Six-servo Robot Arm
[](https://innovation.iha.unistra.fr/uploads/images/gallery/2025-03/Kpkimage.png)
- 5DOF Manipulateur + 1DOF Pince
- 6 servos
- 3x 13 kg.cm torque metal gear, 40.4 \* 19.8 \* 36 mm, 48g, 0.22s/60°
- 1x 3.2 kg.cm, 39.5 x20.0x35.5mm, 41g, 0.27s/60°
- 2x 2.3 kg.cm, 28 x14x29.8mm, 18g, 0.13/60°
- Carte de contrôle AREXX Intelligence Centre
[https://seafile.unistra.fr/d/693101e6046d4819a3af/](https://seafile.unistra.fr/d/693101e6046d4819a3af/)
[https://arexx.com/product/robot-arm/](https://arexx.com/product/robot-arm/)
[www.arexx.com.cn](https://www.arexx.com.cn)
### Modèles Open Source
[https://github.com/AntoBrandi/Robotics-and-ROS-2-Learn-by-Doing-Manipulators](https://github.com/AntoBrandi/Robotics-and-ROS-2-Learn-by-Doing-Manipulators)
#### Trossen Robotics ALOHA
##### Stationary
[https://docs.trossenrobotics.com/trossen\_arm/main/specifications.html](https://docs.trossenrobotics.com/trossen_arm/main/specifications.html)
[https://docs.trossenrobotics.com/aloha\_docs/2.0/specifications.html#aloha-stationary](https://docs.trossenrobotics.com/aloha_docs/2.0/specifications.html#aloha-stationary)
[https://docs.trossenrobotics.com/aloha\_docs/2.0/operation/stationary.html](https://docs.trossenrobotics.com/aloha_docs/2.0/operation/stationary.html)
##### Solo
Dimensions | 1019D x 1066H x 1225W mm |
Leader Arms | WidowX 250 S - Aloha Version |
Follower Arms | ViperX 300 S - Aloha Version |
Camera | 2x Intel RealSense D405 |
Chassis | Modular |
Computer | Coming Soon |
USB Hubs | Yes 1X |
[https://docs.trossenrobotics.com/aloha\_docs/2.0/specifications.html#aloha-solo](https://docs.trossenrobotics.com/aloha_docs/2.0/specifications.html#aloha-solo)
[https://docs.trossenrobotics.com/aloha\_docs/2.0/operation/solo.html](https://docs.trossenrobotics.com/aloha_docs/2.0/operation/solo.html)
#### Trossen Robotics (Interbotix) X-Series Arms
[https://docs.trossenrobotics.com/interbotix\_xsarms\_docs/specifications.html](https://docs.trossenrobotics.com/interbotix_xsarms_docs/specifications.html)
[ALOHA WidowX-250 6DOF](https://docs.trossenrobotics.com/interbotix_xsarms_docs/specifications/awx250s.html)
[ALOHA ViperX-300 6DOF](https://docs.trossenrobotics.com/interbotix_xsarms_docs/specifications/avx300s.html)
#### Waveshare RoArm
- 5DOF + pince Waveshare
- [https://github.com/waveshareteam/roarm\_ws](https://github.com/waveshareteam/roarm_wshttps://www.waveshare.com/product/roarm-m3.htm?sku=30444)
- [https://www.waveshare.com/product/roarm-m3.htm?sku=30444](https://github.com/waveshareteam/roarm_wshttps://www.waveshare.com/product/roarm-m3.htm?sku=30444)
#### ROBOTIS Open Manipulator-P
- 5DOF + pince
- [Modbus-RTU](Modbus-RTUhttps://emanual.robotis.com/docs/en/platform/openmanipulator_p/overview/)
- [https://emanual.robotis.com/docs/en/platform/openmanipulator\_p/overview/](Modbus-RTUhttps://emanual.robotis.com/docs/en/platform/openmanipulator_p/overview/)
#### ROBOTIS Open Manipulator-X
[https://emanual.robotis.com/docs/en/platform/openmanipulator\_x/specification/#specification](https://emanual.robotis.com/docs/en/platform/openmanipulator_x/specification/#specification)
- 4 DOF Manipulateur + 1 DOF Pince
- 6x Dynamixel XM430-W350 [https://emanual.robotis.com/docs/en/dxl/x/xm430-w350/](https://emanual.robotis.com/docs/en/dxl/x/xm430-w350/)
- Carte de contrôle Robotis OpenCR1.0 [https://emanual.robotis.com/docs/en/parts/controller/opencr10/](https://emanual.robotis.com/docs/en/parts/controller/opencr10/)
#### SO-ARM100
[https://github.com/TheRobotStudio/SO-ARM100](https://github.com/TheRobotStudio/SO-ARM100)
- 5 DOF Manipulateur + 1 DOF Pince
- 6 servos Feetech STS3215 [https://www.feetechrc.com/en/2020-05-13\_56655.html](https://www.feetechrc.com/en/2020-05-13_56655.html)
- Waveshare Serial Bus Servo Driver Board [https://www.waveshare.com/wiki/Bus\_Servo\_Adapter\_(A)](https://www.waveshare.com/wiki/Bus_Servo_Adapter_(A))
- OU
- Feetech FE-URT-1 [https://www.feetechrc.com/FE-URT1-C001.html](https://www.feetechrc.com/FE-URT1-C001.html)
[https://github.com/huggingface/lerobot/blob/main/examples/10\_use\_so100.md](https://github.com/huggingface/lerobot/blob/main/examples/10_use_so100.md)
[https://medium.com/@sarohapranav/my-experiences-and-tips-for-creating-a-robotic-so100-arm-3df779a4aae7](https://medium.com/@sarohapranav/my-experiences-and-tips-for-creating-a-robotic-so100-arm-3df779a4aae7)
[https://github.com/JafarAbdi/ros2\_so\_arm100](https://github.com/JafarAbdi/ros2_so_arm100)
#### pince compatible SO-ARM
- Waveshare [https://www.waveshare.com/gripper-a.htm?sku=30386](https://www.waveshare.com/gripper-a.htm?sku=30386)
### Cartes de contrôle
#### OpenCR1.0
[https://emanual.robotis.com/docs/en/parts/controller/opencr10/](https://emanual.robotis.com/docs/en/parts/controller/opencr10/)
- STM32F746ZGT6 / 32-bit ARM Cortex®-M7 with FPU (216MHz, 462DMIPS)
[Reference Manual](http://www.st.com/resource/en/reference_manual/dm00124865.pdf), [Datasheet](http://www.st.com/resource/en/datasheet/stm32f745ie.pdf)
- Programmer : ARM Cortex 10pin JTAG/SWD connector
USB Device Firmware Upgrade (DFU)
Serial
- Digital I/O
- 32 pins (L 14, R 18) \*Arduino connectivity
- 5Pin OLLO x 4
- GPIO x 18 pins
- PWM x 6
- I2C x 1
- SPI x 1
- Communication Ports
- USB x 1 (Micro-B USB connector/USB 2.0/Host/Peripheral/OTG)
- TTL x 3 (B3B-EH-A / DYNAMIXEL)
- RS485 x 3 (B4B-EH-A / DYNAMIXEL)
- UART x 2 (20010WS-04)
- CAN x 1 (20010WS-04)
#### Waveshare Serial Bus Servo Driver Board
[https://www.waveshare.com/wiki/Bus\_Servo\_Adapter\_(A)](https://www.waveshare.com/wiki/Bus_Servo_Adapter_(A))
- Supports connecting to a host or MCU
- up to 253 ST/SC series serial bus servos
- RS485
- UART pour contrôle depuis Arduino, ESP32, STM32 (RX-RX, TX-TX)
- USB pour contrôle via Raspberry, Jetson ou PC
- 9~12.6V voltage input (the input voltage and the servo voltage must be matched)
#### Feetech FE-URT-1
[https://www.feetechrc.com/FE-URT1-C001.html](https://www.feetechrc.com/FE-URT1-C001.html)
#### AREXX Intelligence Centre
[https://seafile.unistra.fr/d/693101e6046d4819a3af/](https://seafile.unistra.fr/d/693101e6046d4819a3af/)
- atmega168 MCU
- RS232
- default baud rate is 115.2k
- Wifi wireless control reserve the ISP downloaded, you can download the MCU controller program using the STK500 ISP cable
[](https://innovation.iha.unistra.fr/uploads/images/gallery/2025-03/5Xoimage.png)
[](https://innovation.iha.unistra.fr/uploads/images/gallery/2025-03/W3Cimage.png)
- dual - Power Supply
- 6 ~ 12 V SCM power
- 4.8 ~ 6 V, 1.2A servo motor power \[servo motor power supply Road 1-16 respectively, a 17-32 road supply port\])
### Servomoteurs
#### Dynamixel XM430-W350
[https://emanual.robotis.com/docs/en/dxl/x/xm430-w350/](https://emanual.robotis.com/docs/en/dxl/x/xm430-w350/)
- 4.1 \[N.m\] (at 12.0 \[V\], 2.3 \[A\])
- 46 \[rev/min\] (at 12.0 \[V\])
- 10.0 ~ 14.8 \[V\]
- Operating Modes
- Current Control Mode
- Velocity Control Mode
- Position Control Mode (0 ~ 360 \[°\])
- Extended Position Control Mode (Multi-turn)
- Current-based Position Control Mode
- PWM Control Mode (Voltage Control Mode)
- baud rate 9,600 \[bps\] ~ 4.5 \[Mbps\]
- TTL Half Duplex Asynchronous Serial Communication with 8bit, 1stop, No Parity
- RS485 Asynchronous Serial Communication with 8bit, 1stop, No Parity
#### Feetech STS3215
[https://www.feetechrc.com/en/2020-05-13\_56655.html](https://www.feetechrc.com/en/2020-05-13_56655.html)