module interface specification:<br />model: yl-63<br />detection distance: 2m--30madjustable<br />detection angle:35▲<br />the comparator using lm393<br />screw holes: 3mm<br />circuit board size: 3.2cm*1.4cm <br />size of cable: 21.3mmincluding the port<br />pin definition：vcc， gnd， out<br />pitch：2.54mm<br /><br /> 1. when the module detects an obstacle in front of the signal ， the green indicator light on the board level ， while low-level continuous output signal out port ， the module detects the distance 2 ~ 30cm， detection angle 35 ▲， the distance can detect potential is adjusted clockwise adjustment potentiometer to detect the distance increases ; counterclockwise to adjust the potentiometer to reduce the detection distance .<br /><br />2 .active infrared sensors to detect the reflected ， and thus the shape of the reflectivity of the target detection range is critical . the minimum detection distance which black ， white maximum ; small objectsa small area ， a large areathe grand .<br /><br />3 . the sensor module output port out can be directly connected to the microcontroller io port can， also can drive a 5v relay directly; connection mode: vcc - vcc; gnd - gnd;  out - io<br /><br />5. vcc voltage is 3.3v to 5v converter which can be directly connected to 5v single-chip microcontroller and 3.3v<br />out of small plate digital output interface 0 and 1<br /><br />package included:<br />100% <br />1x module