Best posts made by lelehel

Ahhh I got it!

https://www.aliexpress.com/item/M5Stack-Official-Stock-Offer-LoRa-Module-for-ESP32-DIY-Development-Kit-Wireless-433MHz-Built-in-Antenna/32848258447.html

Pay Attention:
To aviod the problem that the screen can not display, GPIO5, as the NSS pin of the LoRa module, needs to be pulled up when the system is initialized.

pinMode(5,OUTPUT);
digitalWrite(5,HIGH);
m5.begin():

Now it's working. ;)

L.