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Create large-scale domino art with robots




Creating a large domino art display is a long and nervous process, and hitting a single domino can mean starting from scratch. To automate the process of creating these displays [Mark Rober], [John Luke], [Josh], When [Alex Baucom] I made a dominator, a robot that can place 100,000 dominoes in just over 24 hours. Video after the break.

[Mark Rober] I’ve been tinkering with ideas for a few years now, but the project is finally off-ground. [Mark] He mentioned it in his talk at the 2019 Bay Area Maker Faire. To do that, the team created an entire domino laying system, including an automatic loading station, a precision indoor positioning system, and the robot itself. The robot is built around an aluminum extruded frame on three omnidirectional wheels driven by precision servomotors. A large tray mounted on the front of the robot can hold and release 300 dominoes at a time. The primary controller is the Raspberry Pi 4, which receives positioning information from the Marvelmind indoor positioning system and a downward IR camera looking for reflection markers on the floor. The loading system uses a conveyor system to send dominoes of different colors to an industrial Kuka robot, dropping dominoes onto a grid of tubes that can hold multiple layers at once.

[John Luke] When [Josh] Build mechanics, [Alex] Processed electronics and software. [Alex] We have also created a series of great posts (link above) detailing the development process, hardware, control systems, software architecture, and trajectory generation. He also released all the code on GitHub.

[Mark Rober] It is well known on YouTube for collaborating on ambitious projects such as automatic bullseye darts boards, glitter bombs aimed at package thieves, and guided bowling balls.




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