Dettagli
This popular sensor made by Sharp produces an analog output that varies from 3.1V at 4cm to 0.3V at 30cm.
The formula to translate SensorValue into Distance (the formula is only valid for a SensorValue between 80 to 530) is:
Distance (cm) = 2076/(SensorValue - 11)
This sensor connects to:
The sensor plugs in the 1101 - IR Distance Adapter using the 30cm interface cable that comes with the 1101.

Product Features
- Measures distances from 4 cm to 30 cm
- Infrared Proximity Sensor
- Analog output inversely proportional to distance
- Sensor is Ratiometric
Related Products
We also carry two other Sharp distance sensors for longer distance ranges.
- 3521 - Sharp Distance Sensor GP2Y0A21YK0F (10-80cm)
- 3522 - Sharp Distance Sensor GP2Y0A02YK0F (20-150cm)
Resources
Product Specifications
Characteristic | Value |
---|---|
Operating Supply Voltage | 4.5V to 5.5V |
Minimum Measuring Distance | 4cm |
Maximum Measuring Distance | 30cm |
Average Supply Current - Typical | 33mA |
Response Time | 38 ± 10ms |
Weight | 3.5g |
Questions on 3520 - Sharp Distance Sensor 2D120X (4-30cm)
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