Waveshare RoArm-M2-S 4-DOF Torque Bus Servo Robotic Arm Wireless Control ESP32

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Location: Beijing
Ships to: US,
Item: 315767170779

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Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
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Description Waveshare RoArm-M2-S 4-DOF High Torque Bus Servo Robotic Arm Wireless Control ESP32 Expandable Mechanical Arm Kit Description: – RoArm-M2-S is a 4DOF smart robotic arm designed for innovative applications. Adopts lightweight structure design with a total weight of less than 850g and the effective payload of 0.5kg at 0.5m, it can be flexibly mounted on various mobile platforms. Adopts a 360° omnidirectional base combined with three flexible joints to create an workspace with a 1-meter diameter. – The joint direct-drive design enhances repositioning precision and also improves structural reliability, with innovative dual-drive technology doubles 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-S 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. Features: – 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. – 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. – No App installation required, access after entering the address. Allows users to connect and control RoArm-M2-S 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. – Completely open source for the control codes and communication interface documents of Roarm-M2-S, supports multiple languages and devices for secondary development. Provides modularized demos and tutorials for zero-based users, easy to get started. – Lightweight body with a total weight of less than 850g, adopts carbon fiber and 5052 aluminum alloy to ensure stability under heavy loads, suitable for various mobile robot chassis. – 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. – 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-S. – The direct-drive clamp design allows precise control of the clamp force in the program, suitable for clamping delicate objects without applying excessive force. – 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. – 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 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. – 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. – We use the curve velocity control algorithm to make the robotic arm move smoother and more naturally, without oscillations during start and stop. – 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. – 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 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. – Provides multiple installation schemes and related secondary development resources, suitable for different usage scenarios and can be flexibly integrated into your projects and applications. – 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. – 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. – Comes with an expansion plate, easy for users to expand and replace different EoAT for more functions. – 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. – Compatible with ROS2, provides model establishment file and supports multi-device cooperation. – We provide complete unit tutorials and cases, including various functions and common application scenarios, to help users get started quickly for secondary development. – Onboard rich interfaces and resources for innovative development and functional expansion. – Diversified onboard resources supports function expansion. – 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. Specification: – Main control module: ESP32 – Source code: completely open source – Servo: ST3215 serial bus servo – Communication method: WiFi / ESP-NOW / UART – 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 at 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 at 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 for Raspberry Pi, for 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: 826 ±15g (not including the table edge fixing clamp) – Table edge fixing clamp weight: 286 ± 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) Driver Board Definition: 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 15. Motor interface PH2.0 6P: Group A interface for motor with encoder 16. Motor interface PH2.0 2P: Group A interface for motor without encoder 17. Motor interface PH2.0 2P: Group B interface for motor without encoder 18. AK09918C: 3-axis electronic compass 19. QMI8658C: 6-axis motion sensor 20. TB6612FNG: Motor Control Chip 21. Serial bus servo control circuit: for controlling multiple ST3215 serial bus servos and obtaining servos feedback 22. TF card slot: Can be used to store logs or WIFI configurations 23. 40PIN GPIO header: For connecting with Raspberry Pi or other host boards 24. 40PIN extended header: Easy to use the GPIO pins of Raspberry Pi or other host boards 25. CP-2102: UART to USB, for radar data transmission 26. CP-2102: UART to USB, for ESP32 communication 27. Automatic download circuit: For Uploading programs to the ESP32 without pressing the EN and BOOT buttons Data Information: - www.waveshare.net/wiki/RoArm-M2-S Package Included: - 1 x RoArm-M2-S - 1 x Accessories Pack - 1 x 12V 5A Power Supply - 1 x Expansion Mounting Plate - 1 x Camera Holder - 1 x EoAT Expansion Plate - 1 x Base Mounting Plate

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