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Product Description: This sensor is for line tracking purpose. It differentiate who and black color, and it outputs via ttl signal. Utilizing it is enable your mobile Robot to have intelligent such as lineup, or anti collision, or anti-edge falling. Good Performance If the Object Have Reflective Surface. There is a variable resistor on the board for user to tune the threshold of White and Black Color. You can even combine sensors to media your Specific Requirements. The sensor come with 3 pins, respectively is VCC, out and gnd. The VCC and GND is the power for the sensor to operate. The out is the digital output signal from the sensor. When sensor detected obstacle or white surface, the out will be low. It can be interface with any microcontroller with digital input such as pic, sk40c, sk28a, skds40a, Arduino Series for Line Sensing, or even short distance obstacle dectection. Also, not to Forget, Interface with Relay Module Offer Non-Contact Switchfeatures: Detection Distance: 1.5cm (Tested with White Paper) Power Supply: 3.3 to 5VDCOPERATING CURRENT: 18 to 20 Ange: 0 c ~ + 50 C3-wire output interfaceoutput: ttl (Black or no obstacle = logic high, white or obstacle = Logic Low)
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