ESP32 Robotic Arm with 5+1 DOF and High Torque – Wireless Control

• ✔ Advanced 5+1 DOF design for flexible and realistic movement
• ✔ Powerful serial bus servo motors with high torque up to 30KG.CM
• ✔ Wireless control with integrated ESP32-WROOM-32 module (WiFi, Bluetooth)
• ✔ Impressive working space of up to 1120 mm in horizontal diameter
• ✔ High-precision positioning with repeatable accuracy of ±5 mm
• ✔ Integrated OLED display and 9-DOF IMU for advanced interaction and feedback
• ✔ Full compatibility with the LeRobot ecosystem for easy integration and expansion

Introducing a cutting-edge 5+1 degree of freedom robotic arm designed for enthusiasts, educators, and developers who demand precision and flexibility. Built on the powerful ESP32-WROOM-32 module, this robust solution opens the door to unlimited possibilities in automation, prototyping, and education.

With wireless control and high torque, this arm is ideal for a wide range of tasks, from delicate manipulation to complex automation processes. Its intuitive programmability and rich feedback push the boundaries of what you can do with robotics.

⚙️ What can this robotic assistant do?

• Wireless (2.4G-WiFi, ESP-NOW) and wired (USB, UART) control for maximum flexibility.
• Integrated ESP32-WROOM-32 module with WiFi and Bluetooth for easy network connectivity.
• Configurable end effector (EOAT) with default clamp function, expandable with additional degrees of freedom.
• Advanced demo features: 3D Cartesian control (inverse kinematics), dynamic adaptive external force control, step recording and playback, LED control and more.
• Ability to connect to host devices such as Raspberry Pi, Jetson Orin Nano and PC.
• Interactive web interface for manual control and management.

🔎 Explore every detail and unlimited possibilities

This robotic arm is meticulously designed for unmatched precision and versatility. Its 5+1 degrees of freedom configuration allows for complex and smooth movements that accurately simulate the human hand. High-torque serial bus servo motors provide robust performance and uncompromising control, essential for both fine manipulation and repetitive manufacturing tasks.

At the heart of the system is a powerful ESP32 microcontroller, which provides advanced processing capabilities and seamless wireless connectivity via WiFi and Bluetooth. This opens up new possibilities for remote control and integration into smart ecosystems. Developers will appreciate the wide range of control interfaces, including USB, UART and an intuitive web user interface, as well as compatibility with popular single-board computers.

Whether you're delving into the world of inverse kinematics, experimenting with adaptive force control, or developing your own automation solutions, this arm represents a comprehensive and open platform. Its modular design and rich feedback system provide unprecedented insight into its operation, making it an excellent tool for education and professional development.

🤔 Do you need precision and flexibility for your robotics projects?

Many DIY enthusiasts, students, and educators struggle with robotic arms that lack sufficient precision, flexibility in degrees of freedom, or universal control capabilities. This often limits the complexity of their projects and their real-world applicability, leading to frustration and unfinished visions.

🚀 Discover the power of precision and wireless control with this robotic arm!

This 5+1 degree of freedom robotic arm with a powerful ESP32 controller provides a complete solution to your challenges. It offers unmatched precision, high torque and a range of innovative control options that allow you to complete even the most demanding tasks with ease and reliability. Unleash the full potential of your robotic ambitions!

🌟 More than just features: Real benefits for you

• High torque (30KG.CM @12V): Ensures robust and stable object handling, ideal for tasks requiring strength and reliability.
• 5+1 degrees of freedom: Enables complex and smooth movements over a wide range, expanding application possibilities from precision assembly to creative projects.
• ESP32 with WiFi and Bluetooth: Offers wireless flexibility and easy integration into IoT ecosystems, eliminating the need for unnecessary cables and simplifying remote control.
• Repeatable accuracy of ±5 mm: Guarantees reliable and consistent performance of repetitive tasks, which is crucial for automation applications and experiments.
• Wide working space (1120 mm horizontal): Provides sufficient reach to work on larger surfaces or with larger objects, maximizing the flexibility of your project.

🎯 Who is this robotic arm the ideal choice for?

• Educators and students: Ideal for teaching and exploring advanced robotics, artificial intelligence, and automation.
• DIYers and developers: Looking for a flexible and programmable platform for prototyping, innovation, and personalized automation solutions.
• Small workshops and research labs: For testing automated processes, handling light loads, and developing advanced applications.

🛡️ Do you have concerns? We'll answer them!

• Is the control complex? Thanks to the ESP32 module and support for various modes (Web interface, USB, UART, ESP-NOW), the control is intuitive and flexible for beginners and advanced users.
• How accurate is the handling? With a repeatable positioning accuracy of ±5 mm and 12-bit magnetic encoders for the joint angle sensors, this arm is designed for high precision in every movement.
• Is the arm robust enough? The high torque of 30KG.CM at 12V and the solid construction ensure durability and stability even when handling the recommended load of 0.2 kg.

Technical specifications

Parameter	Value
Workspace	Horizontal diameter: 1120mm (max, 360° omnidirectional), Vertical: 798mm (max)
Operating voltage	12V 5A power supply, supports 3S LiPo batteries (not included)
Load capacity	0.2 kg per 0.5 m
Repeatable positioning accuracy	~ ±5mm
Servo rotation speed	40 rpm (no load, no torque limit)
Joint range of motion	BASE-360°, ARM-180°, ELBOW-225°, HAND-135°/270°
Drive type	TTL serial bus servo, direct drive joints
Joint angle sensor	12-bit 360° magnetic encoder
Servo torque	30KG.CM @12V, 20KG·CM @ 12V (EoAT)
Joint feedback	Servo status, joint angle, rotation speed, joint load, servo voltage, servo current, servo temperature, servo operating mode
Main control module	ESP32-WROOM-32
Main control module features	WiFi, Bluetooth, Dual-core, 240MHz
Wireless control modes	2.4G-WiFi, ESP-NOW
Wired control modes	USB, UART
Manual control mode	WEB control interface
Host control mode	UART / USB / WEB commands in JSON data format
Host device support	USB connection to devices like Raspberry Pi, Jetson Orin Nano and PC
EOAT (end effector) function	Default clamp function, can be changed to another degree of freedom
OLED display size	0.91 inches
Other features	2-channel 12V power switch, 9-DOF IMU
Weight of the RoArm-M3-S robotic arm	973.5±15g
Weight of the RoArm-M3-Pro robotic arm	1020.8g±15g (excluding the weight of the clamping mechanism)
Weight of the clamping mechanism on the table	290±10g
Supported table edge thickness for clamping	72mm
Demo function	3D Cartesian control (inverse kinematics control); Dynamic adaptive external force control; Joint angle control; Operation information feedback; FLASH file system operation; Step recording and playback; ESP-NOW control; Tracking mode (hand control); LED control; 12V power ON/OFF control; WiFi function setting; Trigger task setting; Serial bus servo setting; Feedback mode setting, etc.

Frequently Asked Questions (FAQ)

What are the main control options for a robotic arm?

The arm can be controlled wirelessly via WiFi and ESP-NOW, wired via USB and UART, or via a web interface. It also supports JSON commands from host devices such as Raspberry Pi or PC.

What is the maximum load the arm can support?

The arm has a load capacity of 0.2 kg at a distance of 0.5 meters, which is sufficient for handling light objects.

What is the positioning accuracy of this robotic arm?

The arm offers excellent repeatable positioning accuracy with a deviation of approximately ±5 mm.

What control boards is the arm compatible with?

The core of the ARM is the ESP32-WROOM-32 module. It can be connected to host devices such as Raspberry Pi, Jetson Orin Nano and PC via USB interface.

What is the maximum working reach of the arm?

The horizontal diameter of the working area is up to 1120 mm and the vertical reach is up to 798 mm.

What information can I get about joints?

The system provides comprehensive feedback, including servo status, joint angle, rotation speed, joint load, servo voltage, current and temperature, as well as its operating mode.

Is the arm suitable for teaching inverse kinematics?

Yes, the arm supports 3D Cartesian control, including inverse kinematics control, which is ideal for educational purposes and experiments.

What are the power supply options for a robotic arm?

The arm is powered by a 12V 5A power supply and is also compatible with 3S LiPo batteries (not included) for mobile applications.