este proyecto cuenta de una unidad exterior que consta de un DHT11 para medicion de temperatura y humedad ademas de un MQ-135 para medicion de calidad de aire y un MQ-7 para concentracion de humo.
EDP8266-12E with Arduino Nano I2C Slave posting MQ-XXX Sensor Data to monitor Air Quality
MQTT WLAN Luftqualitätssensor mit MQ-135 Gas Sensor für SmartHome selber bauen.
Measuring atmospheric concentration of Methane CH4 & Carbon Dioxide CO2 at an altitude 108m asl, near Warsaw, Poland.
A weather station made from an Arduino / ESP8266 and a bunch of sensors. Based in Hebburn, Tyne and Wear. [STILL UNDER TESTING AND MAY GO OFFLINE]
Gas sensor monitor in office using an Arduino mega, python on PC for data upload