| Type | Gas |
| Applications | Methane detection, gas leakage. |
| On-board modules | MQ-4 sensor |
| Key Features | Potentiometer for calibration |
| Key Benefits | The gas sensing layer on the sensor unit is made of tin dioxide (SnO2), which has lower conductivity in clean air |
| Interface | Analog |
| Input Voltage | 3.3V or 5V |
| Compatibility | mikroBUS |
| Click board size | M (42.9 x 25.4 mm) |