MBP to Serial Port (mini UART on Raspberry Pi)
Feb 15, 2022
Cable is the most Important thing, pick a USB to TTL RS232/UART Serial Converter Adapter
Enable UART in Pi
Option 1: using config
$ sudo raspi-config
Exit Save and Reboot Pi.
Option 2: Edit files
$ vi /boot/config.txt
Add enable_uart=1 in [all] section
Disabling the Serial Login Shell
$ vi /boot/cmdline.txt
find and remove this part
console=serial0,115200
Monitoring UART port in MBP
using SerialTools from App Store or CoolTerm from CNET