The GP2Y0A21 Sharp distance sensor is a great way to add obstacle avoidance or motion sensing to your robot or any other project. With a detection range of 10 cm to 80 cm and an analog voltage indicating the distance, this sensor is very easy to use.
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Measuring Detecting distance is 10 to 80 cm
The maximum allowable Angle : > 40 °
The power supply voltage : 4.5 to 5.5 V
The average power consumption : 35 mA
Peak power consumption : about 200 mA
The frequency of updates/cycle : 25 Hz/40 ms
Analog output noise : < 200 mV
Less influence on the color of reflective objects, reflectivity
Line-up of distance output/distance judgement type :
Distance output type (analog voltage) : GP2Y0A21YK
Distance judgement type : GP2Y0D21YK
Judgement distance is 24cm
Adjustable within the range of 10 to 80cm [Optionally available])
External control circuit is unnecessary
Screw holes are 37mm apart, 3.2.mm diameter.
To use, connect black wire to ground, red wire to 5V and white wire to analog input. The analog voltage out will range from 3V when an object is only 10 cm away and 0.4V when the object is 80 cm away
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