Infrared sensor
Tutorials
[{
"name": "Object Near",
"description": "Detect if objects are near.",
"cardType": "tutorial",
"url":"/tutorials/object-near",
"imageUrl":"https://pxt.azureedge.net/blob/9ed2d2ea71f7fd1f773b4d62e79f7a6752b0a140/static/tutorials/object-near.png"
}, {
"name": "Wall Follower",
"description": "Follow a wall at a distance using the ultrasonic sensor and a proportional controller.",
"cardType": "tutorial",
"url":"/tutorials/wall-follower",
"imageUrl":"https://pxt.azureedge.net/blob/10155e38b36acf327f2d44ae81da92437e2be37a/static/tutorials/wall-follower.png"
}]
See Also
Object Near?,
Wall Follower