NodeMCU ESP8266 with DHT22, BMP180, ML8511, MQ135 & KY037 sensors
Solar power trigger sensors work and collect environment parameters in Taiwan.
Readings of temperature and humidity outside. Parameters Esp8266 and Raspberry pi.
Automated greenhouse connected to the internet of things to monitor environmental parameters
The dashboard of an energymeter connected with LoRaWAN and MQTT
GAHE GHDS100E Energy Meter is equipped with RS485 Communication. Readings are retrieved by ESP8266 (Wemos Mini) running Modbus RTU library, then send the data directly to Thingspeak every 15 seconds.