Bittle is a palm-sized four-legged robot dog designed for hobbyists, students, and educators. You can program it to mimic the behavior and movements of a real dog, like walking, running, and performing tricks. It's open source and can be operated using a computer, smartphone, or controller.
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Bittle can carry up to 420 grams of payload, or 1.5x its own weight.
Before Bittle, Petoi developed Nybble. The project started in 2016, as OpenCat, an open source robotic pet framework. In 2018, Li built a prototype four-legged robot that ran on OpenCat and commercialized it as Nybble.
In 2020, Li developed an even more adorable quadruped, this time based on a dog, that was more robust and agile than previous models. He called the new robot Bittle, and launched the project as a robotics kit on Kickstarter, raising more than U.S. $500,000.
Nybble and Bittle are open source, fully programmable, and controlled by desktop and mobile apps. The robots are based on the Arduino controller board, and their capabilities can be expanded using popular open source hardware such as Raspberry Pi and Arduino-compatible modules to make robots sense and interact with people and objects.
Petoi says it's shipped over 15,000 robots worldwide so far.