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Expand Up @@ -87,6 +87,8 @@ Main Components:
| Passive buzzer | Beeps when the MQ-3 threshold is exceeded | GPIO (PA8) |
| Breadboard + jumper wires | Prototyping connections | — |

![HardwareImage](images/hw_img.webp)

### Schematics

![Schematic](images/schematic.svg)
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