PLC Backbone Bus

Just updated the pin numbers on the PLC Backbone Bus. The idea here is that we have 4x RS-X lines (2 optional) and 5V,12V,24V,48V supplied from A and B source. The boards select what power they need. I need to connect to a PSU & battery before I am sure that this is what I want to do.

48V is mostly for higher motor effects. 24V & 12V are quite handy to have around, while 5V is an absolute requirement – thought I might actually ditch 5V and supply a separate 12V for MCU expecting the boards to regulate 5V/3.3V themselves. The idea of having a separate MCU power is to avoid the need for galvanic isolation as any effects are drawn from separate power lines.

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