hIOTron| Quantity | Component name | |
| 1 | × | Arduino Nano 33 IoT |
| 1 | × | MQ-135 Sensor |
| 1 | × | 0.96’ SPI OLED Display Module |
| 1 | × | Resistor 22.1k ohm |
Measure CO2 Concentration in Air with MQ-135
In the above project, we are going to utilize an MQ-135 sensor with Arduino to estimate CO2 concentration.