This project monitors two DS18B20 temperature probes. The data is collected via an ESP8266 NodeMCU micro controller.

hvggijk

Real-time monitoring of temperature and humidity using a DHT11 and ESP8266. Tracks overall environmental safety levels (1=Good, 2=Moderate, 3=Alarm).

Testing code for esp8266

Monitoring room temperature and humidity with a multi-alarm system using DHT11 and NodeMCU.

https://forum.arduino.cc/index.php?topic=466867.0

Мультисенсорная система безопасности: температура, влажность, газ MQ-2, угарный газ MQ-7, вибрация/наклон SW-520D

Temperatura y humedad

Estación meteorológica IES Laurona

Monitoring air quality using MQ-135 sensor via ESP8266

A weather forecaster (weathercaster) table clock powered by NodeMCU (ESP8266 & DHT22 Temperature Sensor).

Wersja testowa

Water level monitoring for 80,000 Litre tank.

IoT based system to detect potholes, dangerous road conditions, and accident-prone areas using vibration sensors and GPS.

Field 1 → Soil Moisture Field 2 → Temperature Field 3 → Humidity Field 4 → Pump Control