5Pcs/set Analog Grayscale Sensor Durable Photosensitive Resistor Light Sensor Tracking Module: Business, Industry & Science. 5Pcs/set Analog Grayscale Sensor Durable Photosensitive Resistor Light Sensor Tracking Module: Business, Industry & Science. Analog sensor: The new gray sensor is analog sensor, can be used with v5.0 extension board Ard sensor. 。 Corresponding signal:It can sense the ground or desktop different colors and produce the corresponding signal, which can realize interact with color related work 。 Multiple purpose: It can also be used as the patrol line sensor of the patrol car or the field grayscale recognition of soccer robot. 。 Power introduction: Power is same as controller,usually is 3.3V or 5V. 。 Durable to use: It adopts high quality electronic components, and precision process, ensure for the durability 。 Description: 。 This product is great for high quality and it is durable to use. 。 Specification: 。 Working voltage: 3.3v or 5V 。 Working current: < 20mA 。 Operating temperature range: - 10℃~ + 70℃ 。 Detection resolution: 10% 。 Interface type: analog signal output 。 Size: 24*21mm/0.9*0.8in 。 Weight: Approx.10g/0.4oz 。 Interface definition: 。 OUT: signal output 。 VCC: power supply (VCC) 。 GND: ground (GND) 。 。 。 Working principle: 。 The grayscale sensor consists of a white highlighted light-emitting diode and a light-sensitive resistor. Since the light returned by the light-emitting diode on the paper with different grayscale is different, the photosensitive resistor receives the light returned, and the resistance value of the photosensitive resistor is different according to the intensity of the light, so the test of the gray value is realized. 。 Programming principle: 。 Gray level sensor has three pins:/ power supply( Vcc), power ground(GND), signal output (OUT).and actual use can directly connect the sensor to the Analog interface of the Ard controller, for example, Analog port A0, after Ard powered, sensor white highlight LED is on, put the sensor on the paper with different grayscale, data read by the Ard controller's own AD conversion, and prints out the measurement of analog via a serial port. 。 。 Package list: 。 5 × Grayscale Sensor module 。 。 。 。
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