I have been researching various communication technologies to interconnect around 10 ATmega328 devices, I2C, SPI, DMX, RS-485.......The list goes on, and gets confusing. I would really appreciate some real world advice as to the suitability for my project. In essence: I will have 10 addressable A…

Communication between multiple ATmega328 nodes

CrossRoads October 9, 2012, 8:13pm 2

#1, less chance of two slaves responding together.
RS485 is designed for that.

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