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Using infrared reflective sensor TCRT5000. Obstacle detection. The detection distance: 1mm ~ 8mm apply focal distance of 2.5mm. A small PCB board size: 3.2cm x 1.4cm. Black and white line detection. The comparator output signal clean, good waveform, driving ability, more than 15mA.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.