Internet of Things based datal logger for boiler monitoring

Raspberry Pi Zero W + DS18B20 + BH1750FVI sensors monitoring aquarium water temperature and lighting

Altitude meter.

Wemos D1 Mini V2, ESP8266, DHT11 sensor, Temperature, Humidity

Temperature and Humidity measurements

To record and display engine temperature

Temperature in T24 Location

Stores climate data

Measuring Temperature and Humidity values

Measuring Temperature and Humidity values

CSBB Thermal Monitor from DS18B20 Sensor

My own device based on ESP8266. Sensor for temp, humm and pressure is BME280. Second sensor is MH-Z19 for CO2 concentration. Device located at office or home, Moscow, Russia.

counts heartbeat and body temperature

Stacja pogodowa - Międzyrzec Podlaski. Pomiar temperatury, wilgotności i ciśnienia.

Temperature & Humidity & LEDstate