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 4″ to 32″ (10 cm to 80 cm) and an analog voltage indicating the distance, this sensor is very easy to use. Feature summary Operating voltage: 4.5 V to 5.5 V Average current consumption: 30 mA (note: this sensor draws current in large, short bursts, and the manufacturer recommends putting a 10 µF capacitor or larger across power and ground close to the sensor to stabilize the power supply line) Distance measuring range: 10 cm to 80 cm (4″ to 32″) Output type: analog voltage Output voltage differential over distance range: 1.9 V (typical) Update period: 38 ± 10 ms Size: 44.5 mm × 18.9 mm × 13.5 mm (1.75″ × 0.75″ × 0.53″) Weight: 3.5 g (0.12 oz)
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