WSR Ambient Light Sensor (PmodALS)

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The PmodALS demonstrates light-to-digital sensing through a single ambient light sensor. Engineers designed this Pmod around the Texas Instruments ADC081S021 analog-to-digital converter. The PmodALS utilizes a single ambient light sensor (ALS) for user input. The amount of light the ALS is exposed to determines the voltage level passed into the ADC, which converts it to 8-bits of data. A value of 0 indicates a low light level and a value of 255 indicates a high light level.

  • Demonstrates light-to-digital sensing through a single ambient light sensor
  • 3-wire SPI™ communication interface
  • 8-bit resolution
  • Ships with a 6" 6-pin cable and a 6-pin header
632-408R