PangolinMQTT - ArduinoIDE client library for ESP8266, ESP32 and STM32-NUCLEO

Implementation of the Arduino software serial for ESP8266

Implementation in C of the Smart Message Language (SML) protocol

ESP8266/ESP32 non-blocking WiFi/AP web configuration Arduino library

ESP8266 based smart meter (SML) to MQTT gateway

ESP8266 based SML reader to fetch data of (electrical) meters via the optical interface and transfer it to Volkszaehler Middleware.