4 Channel Infrared Tracing Module RGB Led Module for boards compatible with Arduino If you're a beginner

If you're a beginner

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4 Channel Infrared Tracing Module RGB Led Module for boards compatible with Arduino If you're a beginner4 Channel Infrared Tracing Modu Detection range: 1mm to 60 CM adjustable, the closer the performance more stable, white reflects the farthest distance. Size: in the control panel: 42 x 38 x 12mm (length x width x height). Small forward: 25 x 12 x 12mm (length x width x height). Output interface: 6 wire interface (1234 to 4 signal output ends, + positive power, for the negative power is ground) The output signal: TTL level (can be directly connected to