Personally i dont like software serial and as one of your boards is a mega theres no need to use it, it has 4 uarts, I have had problems with some old atx power supplies in computers shutting down the usb if there is a surge on the port
Personally i dont like software serial and as one of your boards is a mega theres no need to use it, it has 4 uarts, I have had problems with some old atx power supplies in computers shutting down the usb if there is a surge on the port