ModulePhotosensitive Sensor Module
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- Product 22/65
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Description
1 Detection environment the brightness and light intensity
2 Adjustable sensitivity
4 Working voltage 3.3V-5V
5 Output forms: analog voltage output; digital output (0 and 1)
6 Provided with fixing bolt holes, easy to install
7 PCB size: 3cm * 1.4cm
8 Power indicator light (red) and digital output switch indicating lamp (green)
9 Comparator LM393 chip, stable work
Instructions for use
1 photosensitive resistance module is most sensitive to environmental light intensity, generally used for brightness and light intensity detection environment.
2 module in the condition of no light or light intensity are not up to the preset threshold, DO port output high level, when the ambient light intensity exceeds the preset threshold, module D0 output low level
3 small digital output D0 can be directly connected with the MCU, the MCU to detect the level of intensity, thus to detect changes in the environment
4 small digital output DO can directly drive the relay module, which can be composed of a photoelectric switch
5 small analog output AO can be connected with AD module, through the AD conversion, can obtain more accurate numerical environmental light intensity
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