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Description: android Proximity sensor apds-990x 源码+测试代码-android Proximity sensor apds-990x
Platform: |
Size: 15360 |
Author: 沈杰 |
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Description: TMD27713驱动光线传感器的驱动基于MSP430单片机，I2C光接近传感器，LTR-501ALS-01二合一距离传感器配一颗LTE-C216R-14光宝红外发射管。好处是把发射LED的公差减至最低，同时有高感度侦测环境光功能。其主要功能在于根据环境光调节背光亮度。
-The APDS-9900/9901 provides digital ambient light
sensing (ALS), IR LED and a complete proximity detection
system in a single 8 pin package. The proximity function
offers plug and play detection to 100 mm (without front
glass) thus eliminating the need for factory calibration
of the end equipment or sub-assembly. The proximity
detection feature operates well bright sunlight
to dark rooms. The wide dynamic range also allows for
operation in short distance detection behind dark glass
such as a cell phone. In addition, an internal state machine
provides the ability to put the device into a low power
mode in between ALS and proximity measurements
providing very low average power consumption. The ALS
provides a photopic response to light intensity in very low
light condition or behind a dark faceplate.
Platform: |
Size: 78848 |
Author: dengqilong |
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