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)
Devices used: ESP32, DHT22, BMP180, LDR. Data monitored: pressure, humidity, temperature and light intensity. Additional info: SD activity, recent reboots and I2C recovery events.