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Support for battery-powered RTC
This product is NOT a professional medical device and should not be used to diagnose or treat medical conditions
Logic supply current Iss：≤36mA
The lithium battery must not exceed 4 mm × 25 mm × 45 mm in size
and providing light intensity value output
Gravity: URM09 Ultrasonic Distance Sensor (2～500cm, Analog) Dynamic Range Support for battery-powered RTCWhat is an Ultrasonic Sensor? An Ultrasonicsensoris a device that can measure the distance to an object by using sound waves. It measures distance by sending out a sound wave at a specific frequency and listening for that sound wave to bounce back. Since it is known that sound travels through air at about 344 m s (1129 ft s), you can take the time for the sound wave to return and multiply it by 344 meters (or 1129 feet) to find the total round trip
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