Temperature, Humidity and Air Pressure using NodeMCU v2 and Bosch BME280 Barometric Sensor

NodeMCU ESP8266 + DHT11 Temperature and Humidity control

NodeMCU ESP8266 + DHT11 Temperature and Humidity control

Temperature, humidity & pressure in my backyard (Paris, France)

Some environmental data coming from tests in my apartment, located in Castelplanio, Le Marche, Italy.

Data from DHT22 sensor

ESP8266 running NodeMCU with a DHT11 to report humidity and a BMP180 to report pressure and temperature. The Sensor also reports battery voltage which is 2xAA batteries. Photo: http://imgur.com/hDpeNxj

two ds18b20 indoor & outdoor temprature control. Azerbaijan, Lankaran

Freezer-to-Frigidaire, ESP8266 powered freezer cell periodically shut down to stay within typical refrigerator temperature range (e.g. 2 to 5°C) A DHT22 inside the freezer is polled and a 5V relay and a cascaded BIG 220v SSR are switched accordingly.

Temperature sensor at chennai

Standalone esp8266 with dht11 inside an appartment.