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2.0 Myio Interface

Here-in you'll find the interface description for the Myio project.

I've been on a bit of a flip-flip journey on the interface for this project, as per this update.

The final result is that I'm going to use my modbus RTU code I developved for the pic16F870 in a smaller PIC16F688.  Using EIA-485 (RS485) as the electrical/physical interface layer.

Concept testing 5V linkThe original test interface using a multidrop 5V serial interface.

I developed most of a full modbus RTU for the PIC16F870 using this interface before getting sidetracked on a much more simplistic design.

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