It also works for any event based on the LOW and HIGH states of a digital pin. There will be one ESP8266 MQTT publisher and two subscribers. The STM32 sends a message consisting of the comma separated Temperature and Humidity values to the ESP8266 Lora Gateway. Library is not public, but it is precompiled for GCC and MDK-ARM for STM32F4xx only.
The include directives and ESP8266WebServer class can be modified and applied to ESP32 as follows. If there well be an interest, I can do a generic library (like FATFS) to make usable on others microcontrollers too. ESP8266 Driver to STM32 with UART Interruptions AT Command driver to use the ESP8266. I want to STM32f103c ( Blue pill ) board to communicate with esp8266-12E and neo 6m GPS modules with blue pill. You can create a test project in which ESP8266 sends data to STM32 over UART to verify this connection. The ESP32 has more GPIO pins as compared to the ESP8266. Arduino IDE sangat cocok untuk aplikasi kecil.
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