START A BITParts · Sensors
Infrared sensor
LM393 infrared obstacle and line sensor module
Sends infrared light and sees it come back: something close, or a white line, is seen.
2Use it
| Pin or leg | What it is for |
|---|---|
| VCC | + 3.3 to 5 V |
| GND | GND |
| OUT | to a digital pin: LOW when it sees something |
- VCC to + power, GND to GND, OUT to a pin.
- Turn its small knob to set how far it sees.
- Sunlight can fool it: test it in the room where you use it.
Used in
No project uses it yet.
3Facts
| Output | LOW when it sees something, HIGH when not |
|---|---|
| Light on the board | shines when it sees something |
| Knob | sets how far it sees |