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by TheoraJones
Fri May 02, 2014 7:31 am
Forum: Troubleshooting
Topic: Can't add more than 2 DS18B20 using GPIO driver
Replies: 13
Views: 2483

Re: Can't add more than 2 DS18B20 using GPIO driver

Hi guys, Quite a discussion! - Flyfish, thanks for your input, but I am really not looking for such complexity in my solution. I am not so sure capacitance would be te problem here, simply because of the small size of my board etc; Maxim seem to have suggest that legs of up to 3m are okay and bus le...
by TheoraJones
Wed Apr 30, 2014 9:53 pm
Forum: Troubleshooting
Topic: Can't add more than 2 DS18B20 using GPIO driver
Replies: 13
Views: 2483

Can't add more than 2 DS18B20 using GPIO driver

Hi folks, having an odd one; I have 5 waterproof DS18B20 sensors (the ones in a metal can on a flying lead), hooked up to the GPIO ports in the configuration described here; http://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/temperature/ I have found through trial and error that I can connect 2 ...

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