rpiMike wrote: ↑
Fri Oct 04, 2019 12:26 pm
Have you got a ground connected?
What baud rate is the feather board set to?
thank you for your reply.
the ground is connected via the green-ish cable (see pictures in my post).
the baud rate was set on both devices and tested at 9600 and also 115200 with the same results.