Module description
The sensor module on environment light adapted capacity strong, its has pair infra-red launches and receives tube, launches tube launches out must frequency of infra-red, dang detection direction encountered obstacles property (reflection surface) Shi, infra-red reflection back was receives tube receives, after comparison players circuit processing zhihou, green indicates light bright up, while signal output interface output digital signal (a low level signal), can through potentiometer knob regulation detection distance, effective distance range 2~30cm, work voltage for 3.3V-5V. Thesensor’sdetectionrangecanbeadjustedbypotentiometer,withsmalldisturbances,easytoassemble,easyto usefeatures,canbewidelyused in robot,obstacleavoidancecar,linecount, andblackandwhitelinetrail,andmanyotheroccasions.
Module parameter description:
1. if the module detects obstacles ahead signal, the Green led is lit on the Board level OUT portat low level output signal, the module detects the distance2~30cm,detection angle of 35, the detection range can be adjusted by potentiometer clock wise adjustment potentiometer, detection range increases counter clock wise adjustment potentiometer, detection range reduction.
2. active infrared reflection sensor detection, so the reflectivity and shape is the key to detecting distance. Black detection range minimum, white the largest small objects from small and large distances.
3. the sensor module can be directly connected to the monolithicintegrated circuit IO mouth,or you can directly drive a 5V relay; connections:VCC-VCC;GND-GND;OUT-IO
4,comparator LM393, stable;
5. 3-5V DC power supply to power the module scan be used. When the power is switched on, the red power led is lit;
6. 3mm the screw holes for easy fixing, installing;
7,Board size: 3.2CM*1.4CM
8,each module is shipped already compare the thres hold voltage by adjusting the potentiometer, an exceptional situation,do not arbitrarily adjust potentiometer…
Module interface description:
1. an external 3.3V-5V voltages VCC (5V directly connected to a single-chip computer 3.3V single-chip)
2. GND: external GND
3. OUT small-plate digital output interfaces(0and1)
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