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Tracked tank mobile robot RC platform with Arduino + parafoil kite 102 inches (2.5 m) of wing span - great fun

This product is courtesy of It was super easy to make this mobile tracked platform and radio-controlled useful for building ...
Hackaday

Arduino Hacks

[James] was wandering around Walgreens after Christmas and found something very interesting – RGB LED Christmas lights that were individually addressable. At $6.50 for a strand of 15 lights, he just ...