亮度传感器，是指能感受光亮度并转换成可用输出信号的传感器。
介绍了基于EM78P447SB单片机、集成湿度传感器、亮度传感器、钟控开关和自制光电耦合器制作的积木式霓虹灯控制系统。
Introduced the application of humidity and brightness sensor in neon light controller system based on EM78P447SB micro-chip computer.
说到传感器，我们发现一个亮度自动调节的问题，在日光下屏幕亮度自动调节正常，但在暗环境中屏幕会自动变得过于昏暗。
Speaking of sensors, we experienced problems with the auto-brightness setting, which would dim the screen too much in low light, while behaving normally in daylight.
传感器按需轮换屏幕背景，从肖像画到风景图，简单易行；在用户接听电话时关闭背景以节约用电；并且根据周围光线调整背景亮度。
Sensors rotate the display from portrait to landscape as required, turn off the display to conserve power when a user lifts the phone to his ear and adjusts its brightness according to the light.
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