IR Infrared Obstacle Avoidance Sensor (2pcs) IR Transmitting and Receiving Tube Photoelectric Switch 3-pin Compatible with Ar-duino Smart Car Robot music_update_2021 6Hz tuning fork480Hz tuning fork512Hz

6Hz tuning fork480Hz tuning fork512Hz tuning forkFitted wooden case

Style:Emperor Vintage Coated | Size:8" A reissue of the first Remo Emperor drumhead that changed the art of drumming in the late 1960's

fully charge is only 2

Color:Black | Size:6ft The Monoprice Ultra Slim Active High Speed HDMI Cable series is designed with the thinnest TVs in mind

ONE YEAR WARRANTY30 days money back one year warranty

IR Infrared Obstacle Avoidance Sensor (2pcs) IR Transmitting and Receiving Tube Photoelectric Switch 3-pin Compatible with Ar-duino Smart Car Robot music_update_2021 6Hz tuning fork480Hz tuning fork512HzIR Infrared Obstacle Avoidance Sensor (2pcs) IR Transmitting and Receiving Tube Photoelectric Switch 3 pin Compatible with Ar duino Smart Car Robot 1. When the module detects an obstacle in front of the signal , the green indicator light on the board level , while low level continuous output signal OUT port , the module detects the distance 2 ~ 30cm, detection angle 35 , the distance can detect potential is adjusted clockwise adjustment potentiometer