I'm wondering if the problem is that sending data takes so long that it interferes with reading data.
Try this. Set the machine back to 9600. Set the software serial speed back to 9600. Kick the hardware serial speed up to 115200. See what happens.
I'm wondering if the problem is that sending data takes so long that it interferes with reading data.
Try this. Set the machine back to 9600. Set the software serial speed back to 9600. Kick the hardware serial speed up to 115200. See what happens.