Test for technologies listed bellow.
- SHT30 Wemos D1 Mini Shield
- REST API
- Query params processing
- OTA
- WIFI
- MQTT
const char* ssid = "<ssid>";
const char* password = "<password>";
// MQTT Broker
const char *mqtt_broker = "<mqtt address>";
const char *topic_temperature = "<temperature topic>";
const char *topic_humidity = "<humidity topic>";
const char *mqtt_username = "<mqtt user>";
const char *mqtt_password = "<mqtt password>";
const int mqtt_port = 1883;
https://www.emqx.com/en/blog/esp8266-connects-to-the-public-mqtt-broker