Using Mac to connect Raspberry Pi 4
1. Edit the config
- using the usb to write the TF card
- open
/boot/wpa_supplicant.conf
insert the data
country=CN update_config=1 ctrl_interface=/var/run/wpa_supplicant network={ ssid="<wifi 名称>" psk="<wifi 密码>" }
- click here to format the data.
2. TTL to connect
Edit the config
# edit TF card `/boot/config.txt`
# add the content
enable_uart=1
Install the device drive in mac
Check for success
> ls /dev | grep tty.usb
# if appear tty.usbserial , it was scucuessful
Connection
GND->Groud
RXD->GPIO 14(TXD)
TXD->GPIO 15(RXD)
if you have power supply, please remove the 5v red line
Install Screen to ssh
> brew install screen
> screen /dev/tty.usbserial 115200
Uninstall the drive
> rm -rf /System/Library/Extensions/XXXX.kext
> rm -rf /System/Library/Extensions.kextcache
> rm -rf /System/Library/Extensions.mkext
> kextcache -k /System/Library/Extensions