Elephant Robotics Technology Mecharm- 270 Pi (4010300003)

Most six-axis arms need a separate computer, a cable and a desk of their own before they do anything useful. The Elephant Robotics Technology Mecharm- 270 Pi (4010300003) turns that arrangement around. Its Raspberry Pi 4B controller sits inside the arm, so the computer and the manipulator become a single object that can move from a classroom shelf to a lab bench to a trade-fair stand. The question shifts from how to set up a robot cell to what you want the arm to do this afternoon.

Robots Europa supplies the mechArm 270-Pi from Dublin to customers across the European Union and the DACH region. Robots Europa handles the quotation, delivery and after-sales support for each order, and can advise on matching accessories to a planned application before the arm leaves the warehouse.

Background

Elephant Robotics and the mechArm series

Elephant Robotics develops compact robotic arms, mobile platforms and humanoid robots for education, research and light development work. The mechArm 270-Pi belongs to the company's mechArm series of small six-axis robotic arms. The sources name a second version in the series, the mechArm 270-M5, but the fact sheet carries no figures for it, so this article covers the 270-Pi alone. Further Elephant Robotics products are listed in the Elephant category.

An integrated design built around a single-board computer

The defining choice in the mechArm 270-Pi is integration. Elephant Robotics has given it a compact overall body structure with a net weight of only 960g, which makes the arm very easy to carry. The controller is a Raspberry Pi 4B with a 1.5GHz quad-core microprocessor running the Debian/Ubuntu platform, and the arm is driven by 6 high-performance servo motors with fast response, small inertia and smooth rotation. The base and the end are equipped with LEGO components, which suit the development of various miniature embedded devices. The result is a manipulator that behaves much like a small Linux computer that happens to have six joints.

Technical Specifications

Specifications are as published by the manufacturer and are confirmed against the datasheet at quotation.

Elephant Robotics has not published the dimensions, the IP rating, the contents of the box, the operating temperature, the joint travel ranges or the power consumption; Robots Europa confirms these at quotation.

What does the built-in Raspberry Pi 4B change for the user?

With the controller inside the arm, the mechArm 270-Pi carries its own interfaces. It supports 4-way USB, 2-way HDMI, a standardized GPIO interface and a pluggable TF card, and its display interface offers 2x Micro HDMI output ports up to 4Kp60. In practice this means a monitor, keyboard and camera can be connected straight to the arm, and the GPIO header gives access to sensors and small electronic modules in the way Raspberry Pi users already know.

The Debian/Ubuntu platform matters as much as the hardware. Developers work in a familiar Linux environment rather than a proprietary controller interface, and the TF card makes it straightforward to keep separate system images for different projects or student groups. Elephant Robotics describes the arm as having super scalability, and the combination of standard ports and an open operating system is where that scalability comes from. Monitors, a gripper and suction pumps can be matched to the arm independently to open up further application scenarios.

How is the mechArm 270-Pi programmed?

The arm arrives with an Ubuntu 18.04 image preloaded with Python, myStudio, myBlockly, ROS, OpenCV and the driver libraries, so the main software layers are in place from the first start-up. That gives several entry points to the same machine.

For beginners and younger students, blockly visual programming lets motion sequences be assembled from graphical blocks without typing code. For engineers and more advanced learners, the general Python software interface opens the arm to scripts, data processing and integration with other Python libraries. ROS users benefit from the built-in ROS simulation of the manipulator's operation state, which allows motion to be checked in simulation before it runs on the physical arm. OpenCV and the built-in image recognition algorithm, used together with the optional camera, make it possible to build tasks in which the arm responds to what it sees. A teaching path can therefore run from visual blocks to Python to ROS on one device.

Who is the mechArm 270-Pi for?

Schools, colleges and universities form the first group. A six-axis arm with visual programming and a load of 250g is well suited to robotics courses in which students learn kinematics, programming logic and computer vision without the safety demands of an industrial cell. Because the net weight is only 960g, the arm can be stored and moved between rooms with little effort.

Research groups and developers are the second group. The ROS simulation, the Python interface and OpenCV support prototyping of grasping, sorting and vision-guided tasks, and the GPIO interface helps when the arm needs to interact with custom electronics.

Makers and product designers make up the third group. The LEGO components at the base and the end suit the development of miniature embedded devices, and the 270mm working radius covers a typical desktop workspace.

Buyers interested in the mechArm 270-M5 should ask Robots Europa for its details, as no figures for that version are given here. Customers looking beyond desktop arms will find mobile and humanoid platforms from the same manufacturer in the Elephant range and in the wider Shop.

What is the mechArm 270-Pi used for?

1. Robotics teaching: introducing six-axis motion and programming in classrooms with blockly visual programming.
2. Python training: giving programming courses a physical device that responds to every line of code.
3. ROS development: testing manipulator motion in the built-in ROS simulation before running it on the arm.
4. Computer vision projects: combining the optional camera, OpenCV and the image recognition algorithm for object detection and sorting.
5. Pick-and-place demonstrations: fitting a gripper or suction pump to move light objects within the 250g load.
6. Embedded prototyping: building miniature devices around the LEGO components and the GPIO interface.

Pricing and Availability

Robots Europa supplies the mechArm 270-Pi on quotation, so that the configuration, accessories and documentation match the intended use. Delivery, customs and support are arranged together with the quotation. Please state whether you need a camera, gripper, suction pump or monitor, and Robots Europa will include the options that suit your project. The request form for a quotation is available on this page.

Frequently Asked Questions

How many axes does the mechArm 270-Pi have?

It is a six-axis robotic arm from the mechArm series and contains 6 high-performance servo motors.

What load can the arm handle?

The load is 250g, and the working radius is 270mm.

Which controller is built in?

The controller is a Raspberry Pi 4B with a 1.5GHz quad-core microprocessor running the Debian/Ubuntu platform.

Which software comes preinstalled?

The arm comes preloaded with an Ubuntu 18.04 image containing Python, myStudio, myBlockly, ROS, OpenCV and the driver libraries.

Can the arm recognise objects?

Yes. It has a built-in image recognition algorithm, and an optional camera can be selected to use it.

Which accessories can be connected?

Accessories such as monitors, a gripper and suction pumps can be matched to the arm independently. Robots Europa confirms which accessories are included in each order at quotation.

Where can I buy the mechArm 270-Pi and what does it cost?

Robots Europa supplies the mechArm 270-Pi across the EU and the DACH region. The price is provided in a personal quotation, which you can request on this page.

Summary

The mechArm 270-Pi removes the gap between computer and manipulator: a Raspberry Pi 4B, an Ubuntu image with ROS, Python and OpenCV, and six servo motors share one compact body with a net weight of only 960g. That makes it a robot you can carry to the work, rather than one the work must be brought to, whether the setting is a classroom, a research lab or a designer's desk. For a quotation from Robots Europa, including accessories and delivery, this page is the starting point.