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    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)
    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)
    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)
    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)
    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)
    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)

    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)

    WS-29287
    €358.80

    299.00 € tax excl.

    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)

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    OUT OF STOCK

    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)

    High-Torque Serial Bus Servo, Desktop Robotic Arm Kit, Based On ESP32, 4-DOF, Supports Flexible Expansion And Secondary Development, Wireless Control

    RoArm-M2

    4-DOF High-Torque Serial Bus Servo Robotic Arm
    Supports Flexible Expansion And Secondary Development

    RoArm-M2-S-details-1.jpg
    * for reference only, please refer to the Package Content for the detailed part list
    RoArm-M2-S-details-3.jpg
    Features At A Glance

    RoArm-M2 series is a 4DOF smart robotic arm designed for innovative applications. Adopts lightweight structure design with a total weight of less than 900g and the effective payload of 0.5kg@0.5m, it can be flexibly mounted on various mobile platforms. Adopts a 360°omnidirectional base combined with three flexible joints to create a workspace with a 1-meter diameter.

    The joint direct-drive design enhances repositioning precision and also improves structural reliability, with innovative dual-drive technology doubling the shoulder joint torque. Onboard ESP32 MCU main control module supports multiple wireless control modes, provides control interfaces and rich communication protocols for easily connecting to various devices.

    Provides a user-friendly and cross-platform WEB application that integrates a simple and visualized coordinate control mode, making it easier to get started. Comes with rich graphic and video tutorials to help you learn and use it quickly. Compatible with ROS2 and various host computers, supports various wireless and wired communication modes. Comes with an expansion plate, supports customizing the EoAT (End of Arm Tooling) to meet innovative application requirements.

    RoArm-M2 series achieves an excellent balance between lightweight, user-friendliness, expandability, and open innovation, it is a multifunctional robotic arm that integrates intelligent control, human-machine interaction, and customizable development. Ideal for applications that require a combination of flexibility, expandability, and user-friendliness.

    Version Options

    Provides options for RoArm-M2-S / RoArm-M2-Pro. The upgraded version RoArm-M2-Pro is equipped with all-metal ST3235 bus servos, offering a more rugged body and stable backlash that won't increase with use, enhancing product durability.

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    Parameter Comparison
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    * Not including the weight of the table edge fixing clamp (290g).


    Multiple EoAT Mounting Methods
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    The EoAT Supports Various Mounting Methods, Can Be Used As A Clamp Or As The Fourth Degree Of Freedom. Provides Open-Source DXF And 3D Models For DIY And Secondary Development

    RoArm-M2-S-details-7.jpg

    Flexible Joints × Omnidirectional Space
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    Adopts 360° Rotation Base And Flexible Joints To Create An Omnidirectional Operating Space With A 1-Meter Diameter, Allowing The EoAT To Move Freely In All Directions

    RoArm-M2-S-details-9.jpg

    Easy To Control Via
    Cross-Platform Web Application
    RoArm-M2-S-details-2-1.jpg

    No App installation required, access after entering the address. Allows users to connect and control RoArm-M2 via mobile phones, tablets and computers by clicking the buttons on the Web App. Supports secondary development of this open-source Web App to customize the user interface and add new functions.

    RoArm-M2-S-details-11.jpg
    Completely Open Source For
    Secondary Development
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    Completely open source for the control codes and communication interface documents of Roarm-M2 series, supports multiple languages and devices for secondary development. Provides modularized demos and tutorials for zero-based users, easy to get started.

    RoArm-M2-S-details-13.jpg
    Lightweight Body, Excellent Load Capacity
    RoArm-M2-S-details-2-2.jpg

    Lightweight Body With A Total Weight Of Less Than 900g, Adopts Carbon Fiber
    And 5052 Aluminum Alloy To Ensure Stability Under Heavy Loads, 
    Suitable For Various Mobile Robot Chassis

    RoArm-M2-S-details-15.jpg
    Joint Direct-Drive Design
    The Feedback Precision Up To 0.088°
    RoArm-M2-S-details-2-2.jpg

    The joint angle feedback can be obtained directly via a 12-bit high-precision magnetic encoder without any reduction groups, which is more accurate, and the actual position of the current target point can be calculated based on the joint angle feedback.

    RoArm-M2-S-details-17.jpg
    Innovative Dual-Drive Technology
    Doubles The Shoulder Joint Torque
    RoArm-M2-S-details-2-3.jpg

    We Have Developed A Dual-Drive Control Algorithm That Allows The Two Servos At The Shoulder Joint To Coordinate Their Output Torque Effectively, Significantly Enhancing
    The Power And The Overall Load Capacity Of RoArm-M2 Series

    RoArm-M2-S-details-19.jpg
    Direct-Drive Clamp Enables Precise
    Force Control
    RoArm-M2-S-details-2-2.jpg

    The Direct-Drive Clamp Design Allows Precise Control Of The Clamp Force In The Program, Suitable For Clamping Delicate Objects Without Applying Excessive Force

    RoArm-M2-S-details-21.jpg

    Supports Installing Rubber Bands
    To Compensate For The Influence
    Of Gravity
    RoArm-M2-S-details-2-1.jpg

    The SHOULDER and ELBOW joints support installing the rubber bands to assist the robotic arm, by utilizing the elastic contraction of rubber bands to compensate for the influence of gravity and increase the effective load of the robotic arm.

    RoArm-M2-S-details-23.jpg

    Dynamic External Force
    Adaptive Control
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    After enabling this function, you can limit the maximum torque for each joint. When the external force applied to the joint exceeds the torque threshold (configurable), the robotic arm will rotate in response to the external force, and will return to the specified position when the external force decreases below the torque threshold.

    RoArm-M2-S-details-25.jpg
    One-Click Automatic Recording
    Easy To Create Actions
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    RoArm-M2 can save JSON instructions for robot control as task files. The task files can be saved in the Flash of ESP32, which will not be lost in case of power loss. The robotic arm can perform complex and repetitive operations by calling these task files.

    RoArm-M2-S-details-27.jpg

    Accurately Reach The Target By Entering The Coordinates
    RoArm-M2-S-details-2-1.jpg

    Open source for inverse kinematics control algorithm in the three-dimensional Cartesian coordinate system. After entering the target position, the robot arm can accurately reach the target point by using the inverse kinematics function to calculate the rotation angle of each joint.

    RoArm-M2-S-details-29.jpg
    Curve Velocity Control For
    Smoother Movement
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    We Use The Curve Velocity Control Algorithm To Make The Robotic Arm Move Smoother And More Naturally, Without Oscillations During Start And Stop

    RoArm-M2-S-details-31.jpg

    ESP-NOW Wireless Control
    Low-Delay Remote Collaboration
    RoArm-M2-S-details-2-2.jpg

    ESP-NOW is a low-delay ad hoc wireless communication protocol, without the need of Network infrastructures. You can use one robotic arm to wirelessly control other robotic arms, and the control methods can be set as broadcast control, group control, and one-to-one control.

    RoArm-M2-S-details-33.jpg

    * Note: The broadcast control has no limitation for the number of controlled devices, while the group control allows up to 20 devices. Please refer to the WIKI for more details.

    Supports Leading-Following Control Mode Based On ESP-NOW
    RoArm-M2-S-details-2-2.jpg

    In the Leading-following control mode, the Leader robotic arm will send its joint angle information to other robotic arms via ESP-NOW communication. The other robotic arms which are in ESP-NOW Follower mode will imitate the same actions as the Leader in real time.

    RoArm-M2-S-details-35.jpg
    Multiple Control Interfaces,
    Multiple Devices And Languages Support
    RoArm-M2-S-details-2-2.jpg

    RoArm-M2 series can be controlled not only by the WEB application, but also supports using other controllers to send JSON commands via HTTP protocol network request, serial communication, or USB communication for controlling and obtaining feedback.

    RoArm-M2-S-details-37.jpg

    Multiple Installation Methods For Integrating Into Your Application
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    Provides Multiple Installation Schemes And Related Secondary Development Resources, Suitable For Different Usage Scenarios And Can Be Flexibly Integrated Into Your Projects And Applications

    RoArm-M2-S-details-39.jpg

    Easy To Install Different Peripherals
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    The main structure of the upper arm adopts two 1020 European standard aluminum rails, supports installing additional peripherals via the boat nuts to meet different needs. Comes with boat nuts and corresponding M4 screws for easy installation.

    RoArm-M2-S-details-41.jpg

    Supports Installing A Camera
    To Extend Visual Applications
    RoArm-M2-S-details-2-2.jpg

    Comes With A Camera Holder And Open Source For The Related Drawings.
    You Can Directly Install A Camera With The Corresponding Size Or Other Cameras
    With An Adapter

    RoArm-M2-S-details-43.jpg
    Supports Expanding Different EoAT
    For More Functions
    RoArm-M2-S-details-2-2.jpg

    Comes With An Expansion Plate, Easy For Users To Expand And Replace Different EoAT
    For More Functions

    RoArm-M2-S-details-45.jpg
    Onboard ESP32 Main Control Board
    RoArm-M2-S-details-2-4.jpg

    Adopts ESP32 Powerful Main Control MCU, Supports Multiple Wireless Communication Protocols, With A Large Amount Of Open Source Resources To Help Secondary Development Of Innovative Applications

    RoArm-M2-S-details-47.jpg
    Compatible With ROS2, Provides 
    Model Establishment File And Supports
    Multi-Device Cooperation
    RoArm-M2-S-details-2-2.jpg

    Provides Communication Nodes Of ROS2, URDF Model Description File And Zero-Based Tutorial Of ROS2

    RoArm-M2-S-details-49.jpg
    Rich Tutorial Resources For 
    Secondary Development
    RoArm-M2-S-details-2-2.jpg

    We Provide Complete Unit Tutorials And Cases, Including Various Functions And Common Application Scenarios, To Help Users Get Started Quickly For Secondary Development

    RoArm-M2-S-details-51.jpg

    General Driver Board For Robots
    RoArm-M2-S-details-2-1.jpg

    Onboard Rich Interfaces And Resources For Innovative Development And Functional Expansion

    RoArm-M2-S-details-53.jpg
    1. ESP32-WROOM-32 controller module
      Can be developed using Arduino IDE
    2. IPEX1 WIFI connector
      For connecting WIFI antenna to increase the wireless communication distance
    3. LIDAR interface
      Integrated radar adapter function
    4. I2C peripheral expansion interface
      For connecting with OLED screen or other I2C sensors
    5. Reset Button
      Press and release to reboot the ESP32
    6. Download button
      The ESP32 will enter the download mode after powering on
    7. DC-DC 5V voltage regulator circuit
      Power supply for host computers such as Raspberry Pi or Jetson nano
    8. Type-C port (LADAR)
      LIDAR data transmission
    9. Type-C port (USB)
      ESP32 communication interface, for uploading programs to ESP32
    10. XH2.54 power port
      Support DC 7~13V input, can directly power the serial bus servos and motors
    11. INA219
      voltage/current monitoring chip
    12. Power ON/OFF
      External power supply ON/OFF
    13. ST3215 serial bus servo interface
      For connecting with ST3215 serial bus servo
    14. Motor interface PH2.0 6P
      Group B interface for motor with encoder
     
    1. Motor interface PH2.0 6P
      Group A interface for motor with encoder 
    2. Motor interface PH2.0 2P
      Group A interface for motor without encoder 
    3. Motor interface PH2.0 2P
      Group B interface for motor without encoder
    4. AK09918C
      3-axis electronic compass
    5. QMI8658C
      6-axis motion sensor
    6. TB6612FNG
      Motor Control Chip
    7. Serial bus servo control circuit
      for controlling multiple ST3215 serial bus servos and obtaining servos feedback
    8. TF card slot
      Can be used to store logs or WIFI configurations
    9. 40PIN GPIO header
      For connecting with Raspberry Pi or other host boards
    10. 40PIN extended header
      Easy to use the GPIO pins of Raspberry Pi or other host boards
    11. CP-2102
      UART to USB, for radar data transmission
    12. CP-2102
      UART to USB, for ESP32 communication
    13. Automatic download circuit
      For Uploading programs to the ESP32 without pressing the EN and BOOT buttons


    Diversified Onboard Resources
    Supports Function Expansion
    RoArm-M2-S-details-2-2.jpg

    Integrated TB6612FNG Motor Drive IC, INA219 Battery Voltage Monitoring, And 9-Axis 
    IMU Sensor, Supports Function Expansion And Innovation

    RoArm-M2-S-details-55.jpgRoArm-M2-S-details-57.jpg
    Mouse Drag-And-Drop Interaction
    RoArm-M2-S-details-2-4.jpg

    Provides Web Applications And Desktop Software (Open-Source Programs Developed By Python), Supports Setting Action Instructions When The Mouse Is Pressed And Released
    To Control The Robotic Arm Flexibly

    RoArm-M2-S-details-59.jpg
    Specifications
    DOF 4
    WORK SPACE Horizontal diameter: 1090mm (Max, 360° omnidirectional), Vertical: 798mm (Max)
    OPERATING VOLTAGE 12V 5A power supply, supports 3S Lithium batteries (NOT included)
    LOAD CAPACITY 0.5kg@0.5m
    REPOSITIONING PRECISION ≈±4mm (under the same load)
    SERVO ROTATION SPEED 40rpm (no-load, no torque limit)
    OPERATING RANGE BASE-360°, SHOULDER-180°, ELBOW-180°, HAND-135°/270°
    DRIVE TYPE TTL Serial bus servo, direct-drive joint
    SERVO NUMBERS 5
    JOINT ANGLE SENSOR 12-bit 360° magnetic encoder
    SERVO TORQUE 30KG.CM @12V
    JOINT FEEDBACK INFORMATION servo status, joint angle, rotation speed, joint load, servo voltage, servo current, servo temperature and servo working mode
    MAIN CONTROL ESP32-WROOM-32
    MAIN CONTROL MODULE FEATURES WiFi, BT, Dual Core, 240MHz
    WIRELESS CONTROL MODE 2.4G-WiFi, ESP-NOW
    WIRED CONTROL MODE USB, UART
    MANUAL OPERATION MODE WEB control interface
    HOST OPERATION MODE UART/USB/ESP-NOW*/HTTP communication via JSON data format commands (* it does not support obtaining feedback information if using ESP-NOW communication)
    HOST SUPPORT USB connection devices including Raspberry Pi, Jetson Orin Nano, and PC.
    EOAT FUNCTION clamp function by default, can be changed as an additional degree of freedom
    LED POWER ≤1.5W
    OLED SCREEN SIZE 0.91inch
    OTHER FUNCTIONS 2-ch 12V power supply switch, 9-DOF IMU
    ROBOTIC ARM WEIGHT RoArm-M2-S: 826 ±15g
    RoArm-M2-Pro: 873.3 ±15g
    (not including the table edge fixing clamp)
    TABLE EDGE FIXING CLAMP WEIGHT 290g ±10g
    SUPPORTED TABLE EDGE THICKNESS OF THE CLAMP <72mm
    DEMO 3D Cartesian coordinate system control (inverse kinematics control); Dynamic external force adaptive control; Joint angle control; Operating information feedback; FLASH files system operation; Steps recording and replaying; ESP-NOW control; Leading-Following mode (Hand guiding control); LED control; 12V power supply ON/OFF control; WiFi function settings; Set startup tasks; Serial bus servo settings; Feedback mode setting; EoAT mode setting, etc. (Note: Please refer to the WIKI for more details)

    Product Show
    RoArm-M2-S-details-61.jpg
    Dimensions
    RoArm-M2-S-details-size.jpg
    Resources & Services
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    Balenie Obsahuje / Package Content

    RoArm-M2-Pro

    RoArm-M2-Pro-details-pack.jpg

    Waveshare Electronics
    WS-29287

    Specific References

    RoArm-M2-Pro High-torque Serial Bus Servo, RoArm-M2 Desktop Robotic Arm Kit, Based On ESP32, 4-DOF (WS-29287)

    €358.80

    299.00 € tax excl.