TCRT5000 sensors continuously emit infrared light, when not being reflected back, the phototransistor has been in a shutdown state, then the output modules is high, indicating diode remains off state; when the object appeared to be detected within the detection range of the infrared is reflected back and the intensity is large enough, the phototransistor saturated, then the output of the module is low, indicating the diode is lit.
1. meter pulse data sampling
2. fax paper shredders detection
3. obstacle detection
4. black and white line detection
1. using infrared reflective sensor TCRT5000
2. detecting the reflected distance: 1mm ~ 25mm
3. the comparator output signal clean, good waveform driving ability more than 15mA.
4. with multi-turn precision potentiometer adjustable sensitivity adjustment
5. working voltage of 3.3V-5V
6. output format: digital switching output (0 and 1)
7. a fixed screw hole for easy installation
8. Size: 3.2cm x 1.4cm
9. using a wide voltage LM393 comparator
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