SMOG Sensor part two: adding sensors and display
Second version of the SMOG sensor (ultra-easy project): OLED display and temperature, humidity and pressure data: https://blog.jokielowie.com/en/2017/11/esp8266-i-smog-czesc-druga-wyswietlacz-oled-pomiar-warunkow/
![](https://sp-ao.shortpixel.ai/client/to_webp,q_lossless,ret_img,w_530,h_403/https://everythingesp.com/wp-content/uploads/2019/03/SUpkEO3q7b72KVhhYZzyQLUyGSkBwePhIz6jZTXQooJmIzhx0W.jpg)