Quantity   Component name
1 × Winsen MH-Z10B carbodioxide sensor https://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf
1 × LoLin/Wemos D1 Mini (the easy option) https://docs.wemos.cc/en/latest/d1/d1_mini.html
1 × Four wire female-female DuPont cable for the above D1 mini https://www.banggood.com/5pcs-4-Pin-20cm-2_54mm-Jumper-Cable-DuPont-Wire-For-Arduino-Female-To-Female-p-914008.html
1 × DuPont connector housings for the above cable (only 2p and 8p used here) https://www.banggood.com/Geekcreit-310pcs-2_54mm-Male-Female-Dupont-Wire-Jumper-With-Header-Connector-Housing-Kit-p-1063303.html
1 × DM-102 USB to ESP8266 carrier board with an ESP module (the compact option) https://www.google.com/search?q=dm-102+usb+to+esp8266&tbm=isch