Comm Port

 

Issues realted to Communication Ports

/dev/ttyAMA0 -> Bluetooth

/dev/ttyS0 -> GPIO serial port.

 

Pi3 UART stopped working? Read this.

https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=141195

 

Overlay to remap Pi 3 UART

https://www.raspberrypi.org/forums/viewtopic.php?f=107&t=138223

 

 

Raspberry Pi 3 compatibility (BT disable & serial port remap fix)

https://openenergymonitor.org/emon/node/12311

 

 

 

ttyS0 belong to 'dialout' group

 

Find what groups the user belongs to

groups ${USER}

 

**Add user to 'dialout'  group

sudo gpasswd --add ${USER} dialout