Nextion displays being supported by NanoDLP internally.
To use them you need to load NanoDLP HMI on Nextion Display and enter correct address on NanoDLP.
If you are connecting Nextion to Raspberry Pi without Serial2USB adapter, you need to enable serial on Raspberry Pi by following steps below:
- SSH into your Raspberry Pi
- Run command: sudo raspi-config
- Enable Serial
- sudo nano /boot/cmdline.txt
- remove command "console=ttyAMA0,115200" and "console=serial0,115200"
- sudo nano /boot/config.txt
- Add following line: dtoverlay=pi3-disable-bt
- sudo reboot
For more information visit Raspberry Pi UART page.