TEMT6000 sensibility issue?

@makai wrote:

I’ve built a garage multi sensor using ESPHome (DHT22, ultrasonic sensor, door sensor, presence sensor…) and a NodeMCU 32S
In this multi sensor I have a TEMT6000 that I want to use to check at night if someone forgot to switch off the light. This TEMT6000 is in front of the light, less than 2 meters away (light is on the wall not at ceiling).

Here is my code, which is the same we can find on ESPHome website:

sensor:
  - platform: adc
    pin: GPIO34
    name: "$devicename illuminance"
    unit_of_measurement: lx
    icon: "mdi:brightness-5"
    filters:
      - lambda: |-
          return (x / 10000.0) * 2000000.0

Issue is that at night when the light is on, returned value is 0! At day, if light is off value is still 0 and and if I turn on the light value is 4lx… If I put a light in front of it it seems to work but light must be less than 50cm away.
Is the TEMT6000 not the good sensor for this? Is my sensor defective?

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