Quantity   Component name
1 × ESP32 development board
1 × DHT22 sensor For measuring temperature and humidity
1 × MH-Z19B For measuring CO2 level
1 × Resistor 10 KOhm
1 × Resistor 20 KOhm
3 × Resistor 470 Ohm
1 × Breadboard
1 × USB cable
1 × Wires
1 × Blue LED Fiber Optics / Emitters
1 × Red LED
1 × Yellow LED
1 × Switch