NodeMCU based Project takes input from a LDR and Logs light intensity into the thinkspeak server.
Collecting data from DHT22 temperature/humidity sensor and LDR luminosity sensor using Adafruit HUZZAH ESP8266 Breakout (NodeMCU 0.9.6)
For the monitoring of the temperature, soil moisture level and light intensity in the greenhouse,
For Embedded System Design Laboratory Lab 4 with KidBright HTTP and MQTT