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附录A：VCC_5VR7OUT1OUT2LED2LED3330C1R1R2R3R4R5R9R60.1uFR8POWER10K33010K10K33010K10KLED110KGNDU1S_OUT111OUTVCC821IN-2OUT7S_OUT231IN+2IN-64GND2IN+5R10LM393R11LightSensorC2C3LightSensor0.1uF0.1uFGNDP1S_OUT2S_OUT11GND2VCC_5V34Header4图A-1光照度传感器模块电原理图00图A-2光照度传感器模块PCB图表A-1光照度传感器模块端口定义端口说明5V光照度传感器电源正极P10V光照度传感器电源负极OUT1光照度传感器输出信号1（5V低电平有效）OUT2光照度传感器输出信号2（5V低电平有效）1
表A-2光照度传感器元器件清单元件名称独石电容电阻电阻电位器发光二极管（绿）4芯接线端子光敏电阻电压比较器D1POWER12JK127-508-2D2UF4007UF4007元件型号0.1μF（104）330、1/4W10K、1/4W10KLED-GREENJK2EDG508-45506LM393标号C1、C2、C3R2、R5、R7R1、R3、R4、R6R8、R9POWER、OUT1、OUT2P1R10、R11U1封装C5.08HOLDAXIAL-0.4AXIAL-0.43362PΦ3mmJK2EDG508-4Φ5mmDIP-8数量3