This could be done just using the hardware UART. By using a diode AND gate you can have two slave processors outputting to one master.
I.E.
**broken link removed**
TX3 can connect directly to RX1 and RX2. Processor 3 would then request data from the 2 slave processors.
Mike.
I.E.
**broken link removed**
TX3 can connect directly to RX1 and RX2. Processor 3 would then request data from the 2 slave processors.
Mike.
Last edited: