petrel

Hello, I am using sim7020 and esp32 to connect to AWS MQTT and I have used digitaldragon/[email protected] for ssl encryption. However, in the running process, I found that the certificate...

I am developing with M5 Core Basic V2.7 as the host, along with the LoRa Module (Module-LORA433_V1.1) and the GPS Module (GNSS Module), in a stacked design for ease of...