I just can't put it down. I purchased the pre-built version, and am glad that I did. Not much extra cost for them to put it together. I'm sure that some like the building experience, but not me. It can be used right out of the box with an Android (or iPhone?) app or by using the IR remote.
There is a built-in gyro (which can be disabled), which triggers a recovery motion if Bittle is upside down. There is add-on hardware, my favorite of which is the Mu Vision Sensor camera. The camera can be set to stream video, so you see what it sees. Bittle itself can also be setup for WiFi, so that you can control him with anything that can run a web browser. It can use Bluetooth and USB out of the box.
But the real fun starts when writing code for it. The open-source software means that you can rewrite any part of the code you want. There are libraries online for further enhancements. You can add "instincts" or edit already written "instincts," which are new positions or motions, like walk, trot, run (forward, backward, and left, right), sit, pee, pushups, look around, etc. It's fairly easy to add instincts, although designing them can take thought and experimentation - especially the gaits (as opposed to behaviors and postures).
That's not to say that you will be programming Bittle to climb steps on the first day (unless you're far more experienced than I). Plenty of patience and research is required in order to do anything fancy. There is significant online documentation, but you need to put the instruction pieces together and understand how it all works. You can code in Python, C++, and some visual language that I have yet to try (but might be great for beginner programmers). I'm using the recommended Arduino IDE (free for Windows, macOS and Linux), which seems to have a large following, along with the availability of more open-source software. As the headline states, the possibilities are endless with this ingenious robot - all depending on how much effort you want to expend in research and/or your own programming. Unlike toys with built-in actions and nothing else, your imagination is the limiting factor.
Cons: My Bittle's head doesn't have a great physical connection, so it can get disconnected when he falls over. I have been leaving the head off when experimenting. The optional camera is an odd physical setup, mounted in Bittle's mouth. I may try to come up with a different design with a 3d printer, but that could be a project on its own. I have yet to figure out how to connect a Raspberry Pi (not a lot of documentation), but hope to be able to do that at some point. I'm guessing that it will require a bit of soldering. I would like to be able to purchase each Bittle part separately (the plastic body parts, motors, springs, screws, main board, add-on cards, battery, etc.). The online documentation is extensive, although there are portions that are unclear to me or not 100% comprehensive/complete. Maybe it's just my USB cables, but I am concerned that plugging/unplugging the battery charger will wear out the cable that is placed so close to the charging port. Also, USB-C might be better than Micro USB these days.
Overall, Bittle is a blast. If you like tinkering, coding, and learning, you won't be disappointed or bored. But even if you don't wish to become a programmer, it is fun to play with right out of the box.
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Product Description
-
Petoi Coding Blocks - A Scratch-like Coding Tool
- Easily program Bittle X to make it move around and play tricks
- Program with the optional sensors to make Bittle sense and react
- Suitable for kids, teenagers and anyone just getting started with coding
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Native C++ API and Python Serial APIs
- Program Bittle X via the C++ and Python APIs
- Advanced users can modify the OpenCat open source code and hack their own quadruped robots
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Petoi Skill Composer
- Visually build new robotics skills with ease
- Export skills to code and integrate with your applications
1 Free Robotics Curriculums 2 What Will You Learn 3 Free Video Tutorials
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Teach Your Robot Dog New Skills
- Develop new behaviors & skills
- Use simulation & machine learning for motion planning & movements
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Develop ESP32-based IoT Applications
- Seamlessly navigate and sense the surrounding environment using a range of optional sensors
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Extend Bittle's Capability
- Mount a Raspberry Pi such as Pi 3A+ & Pi Zero
- Wired or wireless connections based on serial UART
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Customize Your Own Quadruped with OpenCat
- Opencat is Petoi's open source quadruped robotic pet framework with over 2500 stars on GitHub.
1 Code Robot Dog Skills 2 IoT Applications 3 RaspBerry Pi Applications 4 Hack Your Own Robot Dog
Bittle Model Comparison
 Bittle X Construction | Bittle X Pre-assembled |  Stem Kit Construction | Stem Kit Pre-assembled |  Robotics Kit - Construct | Robotics Kit Assembled | |
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Customer Reviews
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— | 85
| 85
| 85
| 85
| 85
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Price
| — | $299.00 | $269.00 | $289.00 | $329.00 | $339.00 |
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Require assembly
| ✔ | ✘ | ✔ | ✘ | ✔ | ✘ |
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Applications
| STEM/robotics education & app | STEM/robotics education & app | STEM/robotics education & app | STEM/robotics education & app | STEM/robotics education & app | STEM/robotics education & app |
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Voice control
| built-in voice control module | built-in voice control module | optional voice control module | optional voice control module | optional voice control module | optional voice control module |
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Color option
| black+yellow+blue+red | black+yellow+blue+red | black+yellow+blue | black+yellow+blue | black+yellow | black+yellow |
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Servo
| plastic | plastic | plastic | plastic | metal | metal |
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Microcontroller
| BiBoard - ESP32 | BiBoard - ESP32 | NyBoard - Arduino Uno | NyBoard - Arduino Uno | NyBoard - Arduino Uno | NyBoard |
Videos
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Petoi Bittle - Programmable Realistic Palm-sized Robot Dog
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Unboxing And Building PETOI's Bittle Robot Dog
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Petoi Bittle Robot Dog - Everything you must know!
RootSaid Discoveries
Reviews with images
nice programmable robot kit for teen and adult
I bought Bittle X construction version for my daughter to get started in robotics and coding. She spent like 2-3 hours assembling and setting up the robot dog following the documentation. It's not the smoothest process as it did take some tinkering to get everything right. But it's worth the effort. We can control the robot dog with the mobile app and voice-command it. Because she already has some experience with Scratch programming, it's straightforward for her to code Bittle with block-based programming and do some projects from the quadruped robotics curriculum.I am an experienced developer. But I've had fun programming Bittle because quadruped programming is quite different from other forms of programming as I need to control legs simultaneously to move Bittle around and maintain its balance at the same time.Overall, it's a great educational robot kit for teenagers and adults.
Top reviews from the United States
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Reviewed in the United States on January 2, 2023
Edition: Robotics kit - pre-assembledVerified Purchase
Reviewed in the United States on September 18, 2023
She immediately dive into the coding part of the fun, software came with the product was easy to use, With builtin bluetooth and USB modules, and a remote, you can unlock all kinds of possibility, which opens unlimited potential. you can rewrite any part of the code you want because it's open source, it's small yet strong.
I highly recommend the Petoi Bittle robot dog kit to anyone interested in learning robotics or engineering.
Edition: STEM kit - constructionVerified Purchase
Perfect gift for teenager who is getting into engineering and needs real challenge
Reviewed in the United States on September 18, 2023
Got this for my sister for birthday, a 17 year old high school student with great interest in engineering and computer science. The product itself do need assembly but is vey well presented, all components were neatly organized and easily recognizable, it was a pleasure seeing my sister put them all together. And that was just the start. ( which did take half day, I believe they do have pre-assembled version)Reviewed in the United States on September 18, 2023
She immediately dive into the coding part of the fun, software came with the product was easy to use, With builtin bluetooth and USB modules, and a remote, you can unlock all kinds of possibility, which opens unlimited potential. you can rewrite any part of the code you want because it's open source, it's small yet strong.
I highly recommend the Petoi Bittle robot dog kit to anyone interested in learning robotics or engineering.
Images in this review
Reviewed in the United States on December 1, 2022
Edition: Robotics kit - constructionVerified Purchase
Reviewed in the United States on October 6, 2023
I am an experienced developer. But I've had fun programming Bittle because quadruped programming is quite different from other forms of programming as I need to control legs simultaneously to move Bittle around and maintain its balance at the same time.
Overall, it's a great educational robot kit for teenagers and adults.
nice programmable robot kit for teen and adult
Reviewed in the United States on October 6, 2023
I bought Bittle X construction version for my daughter to get started in robotics and coding. She spent like 2-3 hours assembling and setting up the robot dog following the documentation. It's not the smoothest process as it did take some tinkering to get everything right. But it's worth the effort. We can control the robot dog with the mobile app and voice-command it. Because she already has some experience with Scratch programming, it's straightforward for her to code Bittle with block-based programming and do some projects from the quadruped robotics curriculum.Reviewed in the United States on October 6, 2023
I am an experienced developer. But I've had fun programming Bittle because quadruped programming is quite different from other forms of programming as I need to control legs simultaneously to move Bittle around and maintain its balance at the same time.
Overall, it's a great educational robot kit for teenagers and adults.
Images in this review
Reviewed in the United States on April 28, 2023
Edition: Robotics kit - constructionVerified Purchase
Top reviews from other countries
Bug
It is wonderfully engineered!
Reviewed in Canada on May 5, 2023Edition: Robotics kit - constructionVerified Purchase
Jenny O'Hehir
Updated review. Product team have gone above and beyond to provide replacement hardware.
Reviewed in Australia on May 15, 2023Edition: Robotics kit - pre-assembledVerified Purchase
Min Zeng
My son likes it very much.
Reviewed in Canada on September 27, 2023Edition: Robotics kit - constructionVerified Purchase
Jade
Small screws make for challenging work
Reviewed in Canada on December 14, 2023Edition: Robotics kit - constructionVerified Purchase
