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by pjuett
Tue Apr 04, 2017 12:56 am
Forum: Troubleshooting
Topic: apt-get update fails with GPG error: vontaene.de NO_PUBKEY
Replies: 8
Views: 12499

Re: apt-get update fails with GPG error: vontaene.de NO_PUBK

I get the same issue apt-get update and tried various fixes, suggested above and elsewhere - key seems to have expired a couple of weeks ago. I am not aware of how this got on my pi ,or what it is for. I note the comment it should not be used. How do I remove or solve this please? Many thanks. Readi...
by pjuett
Tue Jan 17, 2017 12:27 pm
Forum: Automation, sensing and robotics
Topic: Python example and library for DHT12
Replies: 3
Views: 2267

Re: Python example and library for DHT12

Thanks Joan for taking the time to reply and the good summary of related points. With use of the datasheet and the light sensor examples links above, I cobbled this together this evening and it seems to work fine. import smbus DEVICE = 0x5C #device address bus = smbus.SMBus(1) # Rev 2 Pi uses 1 def ...
by pjuett
Sun Jan 15, 2017 1:06 pm
Forum: Automation, sensing and robotics
Topic: Python example and library for DHT12
Replies: 3
Views: 2267

Python example and library for DHT12

Hi, I am looking for an I2C example and library for the DHT12. Can anyone direct me to one please? I am currently using it in single wire mode, but would like to leverage I2C. This is as far as I have got regarding I2C. The datasheet http://allarduino.com/download/dht12.pdf Wonder whether this could...

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