Motherboard Brand Adafruit

Check the listing for details. Adafruit Accessories IR Break Beam Sensor - 3mm LEDs. Condition: New. Listed at 5.49 USD. Infrared (IR) break-beam sensors are a simple way to detect motion. This is the 3mm IR version. It works up to 25cm / 10". The receiver is.

$4.39
$5.49