SHT-501A v4 2017-3-29 board
Battery 18650 2000 mAh
CO2 Sensor Senseair S8
Thermo and Humidity sensor SHT30
Microcontroller https://www.silabs.com/documents/public/data-sheets/C8051F34x.pdf
LCD Controller http://www.holtek.com/productdetail/-/vg/ht1621