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Reference > Libraries > Arduino mkrenv > Readilluminance

Arduino_MKRENV - readIlluminance()

Read the light sensor’s value.

Syntax

ENV.readIlluminance(unit)

Parameters

  • unit: FOOTCANDLE to get the light value in footcandle, METERCANDLE to get the light in metercandle and LUX to get the light value in lux (default).

Returns

The light sensor’s value as float in the specified unit.

Example

Serial.print("Lux = ");
Serial.println(ENV.readIlluminance());

See also