Monday, 3 December 2012

Daisy Chaining Arduino Serial Connections

I have never wanted to try it myself, but I can see a situation where you might want a number of Arduinos to work together.
Over at the Geodesic Sphere they have come up with an idea using the UART feature and connected as shown in the picture. Its cheap, lightweight, easy to implement and doesn't need special connectors.
The fastest I have ever seen a UART operating at was around 110Kbits / sec so its not as swift as Ethernet or some of the other options and its definitely one way only but if that's all you need this could be an elegant solution.

More details from

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