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by cpascu01
Sat May 28, 2016 10:09 pm
Forum: Astro Pi
Topic: Sense Hat temperature reading -200 degrees?
Replies: 76
Views: 30166

Re: Sense Hat temperature reading -200 degrees?

ShiftPlusOne wrote: The zero reading is entirely a software thing. I think the python library just returns 0 when the reading is not ready.
[/quote]

from what i can tell, the first time you read the temperature from pressure, the value will be 0. Anytime after that should be the correct value.
by cpascu01
Sat May 28, 2016 6:21 am
Forum: Astro Pi
Topic: Sense Hat temperature reading -200 degrees?
Replies: 76
Views: 30166

Re: Sense Hat temperature reading -200 degrees?

just bought a third one and this one is working properly. 3rd time is the charm i guess...
by cpascu01
Tue May 24, 2016 11:58 am
Forum: Astro Pi
Topic: Sense Hat temperature reading -200 degrees?
Replies: 76
Views: 30166

Re: Sense Hat temperature reading -200 degrees?

Could I also get the output of these commands? sudo dtoverlay i2c-gpio i2c_gpio_sda=2 i2c_gpio_scl=3 i2cdump -r 0x00-0x3f -y 3 0x5f b Running them will prevent I2C from working until you reboot, so don't forget to do that. Here's my output...I believe as it's the same as before pi@rpi3:~ $ i2cdump ...
by cpascu01
Sat May 21, 2016 6:03 am
Forum: Astro Pi
Topic: Sense Hat temperature reading -200 degrees?
Replies: 76
Views: 30166

Re: Sense Hat temperature reading -200 degrees?

Davespice wrote:Hmm, I think we need to investigate this. Would anyone volunteer to send us one of their Sense HATs for analysis?
i'll send mine out. just pm me the address.

Thanks!
by cpascu01
Sat May 21, 2016 5:59 am
Forum: Astro Pi
Topic: Sense Hat temperature reading -200 degrees?
Replies: 76
Views: 30166

Re: Sense Hat temperature reading -200 degrees?

below is my output: pi@rpi3:~ $ python -c 'from sense_hat import SenseHat > sense = SenseHat() > temp = sense.get_temperature() > print("Humidity sensor temperature: %s C" % temp)' Humidity sensor temperature: -397.54498291 C pi@rpi3:~ $ i2cdump -r 0x00-0x3f -y 1 0x5f b 0 1 2 3 4 5 6 7 8 9...
by cpascu01
Thu May 19, 2016 1:34 am
Forum: Astro Pi
Topic: Sense Hat temperature reading -200 degrees?
Replies: 76
Views: 30166

Re: Sense Hat temperature reading -200 degrees?

I have also have the same issue. I bought another because i thought it was broken. both of them reflect a high negative #.

Anyone have any thoughts on this?

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