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LM393 Chipset Infrared IR Obstacle Avoidance Sensor Module DC 3.3-5V Blue

LM393 Chipset Infrared IR Obstacle Avoidance Sensor Module DC 3.3-5V Blue
$4.63

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You're reviewing: LM393 Chipset Infrared IR Obstacle Avoidance Sensor Module DC 3.3-5V Blue