Daisy Chaining Serial Connections

by Bart Pelgrims on December 5, 2012

arduino chained serialTo have simple Arduino networking  is to use the builtin UART, which usually is set for a standard RS232 connection, but in a cascading daisy chain fashion.  This means that the hardware-assisted UART in each chip, plus one data line down to the next chip is all that’s needed to implement this.  The networking stack running on the device is light enough that it should not impact performance of the main usage of the Arduino.

Source: sphere blog

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