2Y0a21 datasheet

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Infrared proximity sensor made by Sharp.

We recommend purchasing the related pigtail below or soldering wires directly to the back of the module.

The sensor can be used also for measuring the rightness or color (in very limited extent) but in this article we will talk only about measuring. Popular sensor for getting distance of obstacle using IR. Can be easily interfaced with any MCU with ADC.

Note: Detecting Range is from 10cm to 80cm. To use, connect black wire to groun red wire to 5V and white wire to anaput. For more information, please see the datasheet ! V when the object is (cm) away. Sharp GP2Y0D810Z0F Digital Distance Sensor Measuring distance: to cm.

It has an effective range of to 80cm. What you need: Sanyo 2Y0AIR Distance Sensor. The output signal voltage ranges from 3. The curve fit formula for the sensor . Y0Adatasheet , cross reference, circuit and application notes in pdf format. Take some point from the graph given in the Datasheet and use MATLAB Curve Fitting Toolbox as shown below. As can be seen in the Experimental Graph and and the Data sheet graph the two responses are very similar which verifies the characteristics of the sensor.

If anyone want to help me here is the datasheet. Exact graph of the relation between distance and output is usually on the data- sheet of the sensor. All sensors have their specific measuring range where the measured are creditable and this range depends on the type of the sensor . Maximum distance measured is restricted by two aspects: the . Arduino UNO with Sharp 2Y0AIR prox sensor. In the datasheet , the manufacturer recommend us how to align properly, the distance sensor by the measured surface.

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