STEM Learning Humanoid Robot Kit Featured on the Cover of ROBOT Magazine

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The latest issue of ROBOT Magazine, on newsstands within the next week or sooner, features a major review of the ROBOTIS-MINI humanoid robot kit, including all the specifications, in’s and out’s, close up photos, and the background on why this robot kit is a great choice for anyone that wants to get involved with humanoids or wants to stimulate young learners about STEM.


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ROBOTIS-MINI Faces Tough Opponents at ROBO-ONE Light in Japan (Video)

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Although the ROBOTIS-MINI entry level humanoid kit robot is considerably smaller and lighter than the typical ROBO-ONE competitor, it still features speed and agility that ensure that with an experienced operator it can survive in the competition ring.

At the ROBO-ONE Light event, held mid-March in Atsugi, Japan, one of the ROBOTIS-MINI robots clearly demonstrated the robots potential. Of course, in the end the laws of physics have to prevail, and as you might expect, the robot was eliminated by a stronger competitor. Nevertheless, the ROBOTIS-MINI managed to duck and weave while avoiding what might have been killer punches from its opponents.

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Think about it for a moment. Here’s a low-cost, under USD$500, humanoid robot that is Open-Source/Open-Hardware, as easy to put together as an IKEA bookshelf, Arduino compatible, targeted at STEM and robotics learners as well as researchers and hobbyists, and it turns out that almost out-of-the-box it is capable of going head to head with ROBO-ONE class humanoids. That’s pretty amazing. The ROBOTIS-MINI is making humanoid robots accessible, affordable, and exciting. You can’t beat that combination.

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ROBO-ONE Light is open to all humanoid builders at an entry level and features pre-qualified robot kits that are typically around 1 kg. in weight. Competitions are held the day before the ROBO-ONE events.

ROBOTIS-MINI was formerly marketed as the DARWIN-MINI humanoid robot kit.

Related links: ROBOTIS #robotsdreams

More information at

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Robot PET Dog Drives Real Dogs Crazy – (Video)

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The new ROBOTIS PLAY600 PETs robot kit includes a cute bird that only took a few minutes to assemble, but provided lots of fun and excitement for our two dogs.

The kit allows very young learners to get involved in building simple robots even before they are old enough to start learning how to program. ROBOTIS expects to release the kit for sale in February.

Total assembly time for this robot was about 10 minutes. The kit includes all the parts and plans for two other, slightly more complex, animal type robots that move.

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Via: Robot PET Dog Drives Real Dogs Crazy - YouTube

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RAPIRO Meets Darwin MINI

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Two of the most interesting, and most affordable, humanoid robots that have come on the scene recently are the Darwin MINI (Robotis) and RAPIRO. Both of the new robots have strong/cute personalities and are open-source designs encouraging users to engage, experiment, and learn by doing. They’re extremely user friendly.

Yoshihiro Shibata, a top Japanese humanoid robot designer currently working with Sugiura Machine Design Office, was kind enough to share these side-by-side photos comparing Darwin Mini and Rapiro-

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DARWIN MINI Humanoid Robot Assembly (Photo Gallery)


The new DARWIN MINI humanoid robot from Robotis is definitely the easiest, and most straight forward, assembly process I’ve ever experienced. Over the years I’ve assembled about a dozen different humanoid robots from manufacturers all over the world. As far as assembly is concerned, the DARWIN MINI beats them all, hands down.

Here’s a photo gallery with detailed images documenting the entire process:

Via: DARWIN MINI Humanoid Robot - a set on Flickr

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Robotis Darwin Mini Robot Plays Beach Flag (Video)

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The Robotis Darwin Mini humanoid robot is getting a lot of attention, even though it isn’t schedule to go on sale until sometime next year. The robot, which should set a new standard for outstanding price/performance, demonstrated its skill playing a Beach Flag game at a robot competition in Tokyo over the weekend:

Note: This is an early prototype of the robot, currently being evaluated by Sugiura Machine Design Office.

The robot will be open-source/open-hardware, enabling users to add their own functionality, sensors, and even design/create their own 3D printed shells. It’s expected to sell in the USD$500-$600 price range.

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RobotWorld 2013: Robotis Posed To Disrupt Robot Development

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At the RobotWorld exhibition in Seoul Korea this week, Robotis featured what may turn out to be a major revolution in popular robot experimentation and creation.

For quite a few years the company has had its eye on the worldwide maker movement, and has actively participated in maker fair of events in several different countries. While they were exhibiting their commercial line of robot kits, servos, and controllers at some of the events, they also had their ear to ground and actively engaged with all the visitors and makers.

Although people were extremely impressed by the capabilities and performance of their professional grade robot systems, they were also put off by the level of sophistication required, and the pricing. Robotis carefully studied their needs, and spent more than two years developing a totally new approach that the company believes will be welcomed with enthusiasm by the maker community.

At RobotWorld we were able to talk directly with both the company’s technical and marketing staff to get an inside view of the new products and what their impact might be on the market.

Robotis had a presence at many major robot conferences, exhibitions, and competitions, like RoboGames, over the years, and had succeeded in having their technology adopted by major universities, R&D centers, and high-end robot hobbyists involved in humanoid robotics. While they were quite successful, they also realized that in many respects they were “preaching to the choir” – meaning that most of their customers were already actively involved in robotics.

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The new ROBOTIS product lineup extends smoothly from entry level exploration kits targeted at pre-schoolers and lower elementary school age, up through the higher grades including high school, college, and professional use.

Around 2011 Jinwook Kim, who was responsible for Robotis marketing in the United States at that time, was exposed to the maker movement by some users and attended his first Maker Faire, primarily out of curiosity. It didn’t take long before he realized how massive both the Maker and the Open Hardware Movement were rapidly becoming. It took some hard work, but he was slowly able to convince the company management and product development of the tremendous potential represented by the adoption of open hardware in the hobby, education, and professional sectors.

The Robotis strategy is very simple, focused, and eloquent. They decided to create a direct progression of logically connected products, starting at the low end with an Arduino compatible low-cost controller and servo offering that extends to higher-end professional grade robot systems.

Their key OpenCM themes are “low-cost”, “open source”, “convenient”, and “expandable”.

The OpenCM product line starts with an extremely attractive Arduino like controller board specifically designed for robot use, the OpenCM–9.04.

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OpenCM-9.04 Controller Specifications:

72Mhz ARM Cortex-M3 core
5V-16V (Depends on DXLs)
128k FLASH
20k SRAM
10 x 12 bit ADC Channels
12 x 16 bit Timer
1 x CAN (2.0B Active)
2 x I2C(SMBus/PMBus)
2 x SPI(18Mbit/s)
USB 2.0 Full-speed
7-Channel DMA
2 Watchdog timers
SysTick timer
User Switch
Ext. ADC Ref Selection (up to 5V)

The OpenCM-9.04 controller is completely open source. All of hardware and software is completely disclosed and available for users to modify and expand. The controller board schematic and layout will be available in Eagle format on github. The software is also available on github, including the Bootloader, Core–library, Processing–core, and Processing–head.

In a significant shift from previous designs, the board implements 100 mil header pitch compliant with US standards. It includes a three pin connector to control ROBOTIS Dynamixel servos using TTL communication. There is also a JTAG / SWD terminal that can be used run commercial development programs.

The ROBOTIS OpenCM software IDE enables users to create programs the same way that they are used to with Arduino boards and also program in C/C++. And, the software is supported across Windows, Mac, and Linux – something that’s expected in the maker community but has been all too rare in the robot world in the past. Sample libraries are provided supporting Dynamixel servo control.

The most surprising thing about this new controller is its price. The company expects it to sell worldwide for approximately USD$10.

Dynamixel XL-320 Servo

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A high-performance low-cost controller board is impressive enough by itself, but what really makes the Robotis OpenCM initiative exciting is the introduction of the new Dynamixel XL-320 servo. The new servo, featuring the quality and high performance that ROBOTIS has become known for, is expected to sell for less than USD$30 and will enable users to easily create cost-effective robot designs – anywhere from simple actuators up to completely functional humanoid robots at an affordable price. This has the potential to be truly groundbreaking – triggering a real revolution in low-cost robotics.

In the past, servo cost has always been that the determining factor in the cost of a total robot design. And, the situation has gotten worse as the number of servos for particular robot increases in number.

That’s why most of the commonly available humanoid robot kits on the market today cost close to $1000 or more. But, by using the new Robotis XL-320 servos a smaller, but just as capable, humanoid robot could be designed for as little as half the price.

Dynamixel XL-320 Servo Specifications:

Weight- 16.7g
Dimensions- 24.2mm x 36mm x 24mm
Min Angle- 0.29 degrees
Gear Ratio- 238:1
Stall Torque- Approximately 4 (at 7.4V)
No load speed- Approximately 114 RPM (at 7.4V)
Operating Voltage- 6-8.4V (7.4V recommended)
Link (Physical)- TTL Level Multi Drop
Baud rate- 7843bps - 1 Mbps
Feedback- Position, temperature, load, input voltage, etc.

Usually with low-cost servos manufacturers tend to sacrifice features and performance. Robotis has taken the opposite approach. They dramatically decreased the cost while preserving advanced features like the ability for the controller and program to read feedback information from the servo including position, temperature, load, input voltage, and other important factors. They’ve achieved truly surprising performance at this price point.

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Providing power for robot designs another important challenge facing makers. To address that challenge, and make things easier, Robotis is releasing a new lithium-ion 3.7 V rechargeable battery pack rated at 1300 mA. With an extremely small form factor, the battery pack has a built-in charging circuit and LED charge indicator while being compatible with the popular micro – be USB cable.

As you might expect, the company also has plans for additional shield boards that plug into the controller in the same fashion as Arduino shield boards. We are not at liberty to disclose any of the details at this time, but they are coming soon.

The new low cost XL-320 servo is also being used in a wide range of ROBOTIS products, as you can see in these photos:


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And even in the exciting new DARwin Mini humanoid robot:

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During the Robotis OpenCM briefing in Seoul Korea we were shown demonstrations of the new controller moving two servos based on input from a Gyro Sensor; servo velocity control; direction change using a touch sensor; and other tests simulating real world robot applications.



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RobotWorld 2013: Meet DARwin Mini

The new DARwin Mini humanoid robot from Robotis is about to rock the robot community worldwide, and give some major heartburn to competitors.

Featuring outstanding price/performance, this new robot will make it possible for a whole new sector of users to get actively involved in humanoid robotics whether it's at the educational, hobby, research, or professional use.

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RobotWorld Korea 2013: Robotis Set For Major Rollout?


We're only a week away from the opening ceremony for RobotWorld 2013 in Seoul, Korea and we're seeing hints that some major new initiatives will be disclosed by leading Korean robot companies like Robotis.

There's no English language information available yet, but scanning their website notations in Korean that the Robotis booth will feature "New DREAM, SMART, DARwin-Mini, and the OpenCM9.04 open platform".

Unofficial rumors going around in the robot community are that DARwin-Mini is a scaled down version of the DARwin-OP, retaining a lot of the features and functionality at a much more affordable price point, perhaps well under $1,000 for the base model. People are saying that DARwin-Mini will be open source including the hardware design, which opens the door for customers that want to 3D print their own shells and accessories. Michael Overstreet, a prolific robot blogger and big Robotis supporter, posted some early photos of the DARwin-Mini on his blog.

We'll find out at the event next week. Watch for the latest information directly from RobotWorld here on Robots Dreams.

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