Module Parameter

Working voltage: 3.3V-5V

Output format: DO digital switch signal output (0 and 1)

PCB size: 3.2CMX1.4CM

Distance range: 1 meter

Usage method

The photodiode module is sensitive to environmental light intensity and is generally used to detect the brightness and intensity of the surrounding environment. In most cases, it can be used interchangeably with the photoresistor sensor module. The difference between the two is that the photosensitive diode module has good directionality and can sense light sources in a fixed direction.

When there is no light or the light intensity does not reach the set threshold, the D0 port outputs a high level. When the external ambient light intensity exceeds the set threshold, the D0 module outputs a low level.

The digital output D0 of the 3 small boards can be directly connected to a microcontroller, which can detect high and low levels to detect changes in environmental light intensity.

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