(6)Test Results:
After uploading test code, powering the module up via the USB cable and
open the serial monitor to set the baud rate to 9600, the serial monitor
prints the value of the ambient light intensity(unit:lux). And when light
source gets closer, the value becomes bigger as shown below:
(Note: since the I2C bus can have multiple devices with different addresses,
when the digital light intensity module is used together with the I2C
LCD1602 module, there is no conflict because they have different
addresses.)
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