You can follow the project progress on the website, and if you're interested in hacking on it, the code is all open source on github. The Android app is available for testing from the Google Play Store. But the app is already in a state where you can get Sphero to behave if you have a little patience. ![]() Each Kit comes with a clear Sphero Mini app-enabled robotic ball and bumper cover, 28-Piece Construction Set, 15 Activity Cards, 6 Pins, and 3 Cones. Detecting the user's motions reliably remains a work in progress (along with making Sphero's motions match smoothly). The Sphero Mini Activity Kit has everything you need to get rolling and playing. Sphero Mini is the perfect entry into robotics for beginners LED lights that glow in various of colours Contains gyroscope, motor encoders, and accelerometer sensors Recommended for ages 8+ Colour: Green 99. There are also additional tools that compliment the functionality of the Mini, such as the Sphero Play Mat, Chariot, and Jump Ramp. The constrained context (birds-eye view of Sphero on the ground) makes the vision problem easy (a simple image template match works well), but is still a bit complicated for a first-time user, so I'm working on improved designs to make this as easy as possible.Īfter setup, the phone camera is not used only the sensors are active. The Mini makes use of the Sphero Play app or the Sphero EDU app in order to develop functions for the robot. The setup portion of the app uses computer vision (via OpenCV) to calculate the mapping between the phone's sensor coordinate system and Sphero's "forward motion" orientation. So I decided to come up with something simpler that would be more fun for anyone (kids or adults) to quickly learn and play with. I had previously come up with another Sphero app, but it was quite complicated both in terms of user experience and implementation.
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