Permission denied /dev/ttyAMA0 #7
Description
If receiving Permission denied /dev/ttyAMA0 the likely cause is to be with a running serial console on the pi. Usually this can be disabled using raspi-config however if running a non standard distribution it can also be disable by following instructions located here:
https://forums.raspberrypi.com/viewtopic.php?t=178071
Specifically removing console=serial0,115200 from /boot/cmdline.txt worked for me on OpenHabian