MH-Z19B High-performance Carbon Dioxide NDIR-type sensor • DHT22 Humidity & temperature Capacitive-type sensor • BMP280 Digital Pressure sensor • NodeMCU ESP8266 LUA v3
Simple device for CO2 measurement at Exa, UNICEN, Tandil, Argentina.
Simple device for CO2 measurement at Exa, UNICEN, Tandil, Argentina.
Simple portable meteo station with Temp, Pressure, CO2, and humidity sensors. Also it has LCD display. Connected over wifi. Based on: NodeMCU(ESP8266), BME280, MH-Z19B, 0.96" 128x64 i2c OLED blue Blynk was replaced by ThingSpeek: https://github.com
Clock with CO2 and temperature sensor MH-Z19B and air quality sensor BME680