IN THIS PROJECT I USING MQ135 TO MONITOR AIR QUALITY AND DHT11 TO MONITOR TEMPERATURE AND HUMIDITY. ALSO, USING ESP8266 TO SEND DATA TO THINGSPEAK.

MQTT WLAN Luftqualitätssensor mit MQ-135 Gas Sensor für SmartHome selber bauen.

Stasiun Cuaca | Lokasi: Dieng Kulon, Banjarnegara, Jawa Tengah. [UPT Dinas Pariwisata Dieng] Izin IAR Kominfo via YD2CLX

Air Quality in our region.

This channel is for displaying information collected by non-commercial and educational projects   Which operates under the name of monitoring environmental conditions and fire alarm for CATC library.

CO2, temperature, humidity, MQ135, DHT11, Arduino

Weather station using an ATmega2560 and ESP8266 Author: Nikola Bogdanov

This channel measures Temperature and humidity with a DHT22 and PM2.5 &10 with a SDS011. All with an ESP32, an MQTT and a Node-Red server.

A weather station build around ESP32 with BME280, MQ135, and BH1750

RetoIoT curso CIDA-Cefire

ESP8266 + BME280+MQ135 Indoor house air monitor

Monitoring intensitas cahaya, konsentrasi CO2 udara, suhu udara, kelembapan udara menggunakan sensor BH1750 FVI, mq135, dht22, arduino mega, nodemcu, dan Thingspeak

air quality measurements in industrial setting

My own portable particle Analyzer with ESP32

Arduino based Air Pollution Monitoring System measures carbon dioxide using an MQ135 gas sensor and carbon monoxide using an MQ7 sensor in PPM( Parts Per Million).