[solved] Lux Sensor: always 54627.50

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ambassadoro
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Posts: 40
Joined: 17 Nov 2015, 15:58

[solved] Lux Sensor: always 54627.50

#1 Post by ambassadoro » 04 Dec 2015, 15:14

Hello,

I have connect a lux-sensor BH1750. The only value thats shown is 54627.50. It doesn't matter if its in a dark box or in bright light. What have I done wrong?
Last edited by ambassadoro on 04 Dec 2015, 17:13, edited 1 time in total.

Oyvindes
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Posts: 5
Joined: 28 Oct 2015, 09:15

Re: Lux Sensor: always 54627.50

#2 Post by Oyvindes » 04 Dec 2015, 15:37

Hi!

I had this similar problem on one of those.
The value is max on the sensor and is either caused by wrong wiring or poor soldering.
It is very sensitive to alteration once started so you should be 100% sure everything is correct HW-wise and then reboot the ESP.

ambassadoro
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Posts: 40
Joined: 17 Nov 2015, 15:58

Re: Lux Sensor: always 54627.50

#3 Post by ambassadoro » 04 Dec 2015, 17:12

Thanks! That was the solution!

First, I resoldered the pins, then I had always 15 of intensity. Then I checked it with a microscope and found, that the sensor looked very dirty, maybe not cleaned well after soldering in the production. I wiped it softly and now it seems to work. At least I get different values.

Many thanks!

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