Technical summary
| Pin | Name | Description / Function |
|---|---|---|
| VCC | Positive supply | Module power supply (3.3V to 5V) |
| GND | Ground | 0V reference (Ground) |
| DO | Digital Output | Digital output (0 = detection, 1 = no detection) |
| AO | Analog Output | Analog output (voltage signal proportional to reflection) |
