pxt-ev3/docs/tutorials/infrared-sensor.md

Infrared sensor

Tutorials

[{
  "name": "Security Alert",
  "description": "Build an security alert using the Infrared Sensor.",
  "cardType": "tutorial",
  "url":"/tutorials/security-alert",
  "imageUrl":"/static/tutorials/security-alert.png"
}]

See Also

Security Alert