R2-D2 App-Enabled Droid with Trainer Nanosound Bit uses optical sensors to

Bit uses optical sensors to read lines and OzoCodes—short color code sequences—that you draw with markers and paper

The easy way - just plug the components onto the Nanomesher HMI development board

the fun cases will bring children the joy of programming

sensing distance is about 4-5 meters

and Rechargeable Lithium Battery

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