esp8266 collect outdoor temperature from Dallas ds18b20 and indoor temperature acompany with atmospher pressure from BMP180 sensor. OpenWRT + Mosquitto + Node-Red used for aquisition and publish the data.

Logging my solar house with IoT, ESP8266's and lots of sensors. We are off-grid and use solar panels to charge batteries. When we have sufficient sun and the batteries are charged we switch on the pool filter, hot tub, air con and water heaters etc using

GATE WAY-MQTT PROTOCOL: uploading DHT11 sensor data, Humidity and Temperature into thingspeak cloud using MQTT protocol suported by TCP/IP protocol for communication

SHT30 sensor connected to Wemos D1 mini platform, 800 mAh battery, MQTT

Energia

Potencia

Send ESP Data via mosquitto mqtt bridge to thingspeak. Just a test.

A MQTT Sensor Project with Rayberry Pi 3 and KY-052 Sensor (pressure, temperatur)

Temp, Humidity Sensing

temp&hum

Fuel oil level (gallons) for boiler using esp8266 and cheap ultrasonic distance sensor. Woodstove temperatures using TCs and ESP8266.

receiving the temp

WH3080

Sending data from an ESP programmed in MicroPython using MQTT protocol

This channel provide data from dust sensor Sharp GP2Y1010AU0F and air temperature and humidity (DHT22). ESP8266 . Location Poznan, Poland.