Comments (2)
bbqkees
commented on June 4, 2024
It is not switched.
Indeed connect RX of the board to RX of the Mega. It's also noted like that in the instruction sheet included with the board.
If you connect two devices via a serial port directly you would indeed normally connect the RX from one device to TX from the other.
However, the board is basically only a logic level shifter. So you need to see it as an extension of the controller, not as the other side.
At least, that was my idea behind it.
from nefit-buderus-ems-bus-arduino-domoticz.
nsine-zz
commented on June 4, 2024
Ok, thank you for sorting it out.
from nefit-buderus-ems-bus-arduino-domoticz.
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