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 .
- 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 objects from a small area , a large area from the Grand .
- The output port OUT sensor module can be directly connected to the microcontroller IO port , you can directly drive a 5V relay ; Connection : VCC-VCC; GND-GND; OUT-IO.
- Using the comparator LM393, stable.
- Can be used for 3-5V DC power supply modules . When the power is turned on, the red power.
- With the screw holes of 3mm , easy fixed installation.
- Board size : 3.1CM * 1.5CM.
- Each module shipments comparing the threshold voltage has been adjusted by the potentiometer is good , not exceptional circumstances, do not arbitrarily adjust the potentiometer.
Interface Description (3-wire):
- VCC: external 3.3V-5V voltage (can be directly connected to 5v MCU and 3.3v MCU)
- GND: GND External
- OUT: small board digital output interfaces (0 and 1)
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