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DESCRIPTION:First  dimension: 32mm X 11mm X height 20mm width  Second, the main chip: LM393, infrared on the radio head  Third, the working voltage: DC 5 V  Four characteristics: Having a signal output instruction.  A single-channel si..

DESCRIPTION: Use for: The electricity meter pulse data sampling Fax machine. shredder paper detection Obstacle detection Black and white line detectionModule features:   Using infrared reflection sensors TCRT5000 Test reflection distance: 1mm to 25mm Clean and 3. the compar..