Set Digital icon Set Digital — Toggle a digital I/O port between TTL low (0V) and high (3.3V/5V) in ARC; select board and port, simple on/off control-signal only. Try it →

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Here's a couple competitors , there are lots of competitions , this particular one is trossen. Imagine what level of control and feedback extra we could get using ezb, EZ robot wifi camera and a few sensors!

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