i have connected 18B20 to my pi as follow
1) power : +3.3V
2)data : GPIO4 (pin 7)
3)ground : ground pin
there is 4K7 reg in between data and power connection but nothing is displayed in dir "/sys/bus/w1/devices"
any help would be appreciated
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chanakya1984
- Posts: 5
- Joined: Wed Feb 11, 2015 4:40 pm
18B20 not showing up in list
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- bread board
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Re: 18B20 not showing up in list
It's probably due to Device Tree.
Search the forums for DS18B20 and device tree.
Search the forums for DS18B20 and device tree.
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DougieLawson
- Posts: 39296
- Joined: Sun Jun 16, 2013 11:19 pm
- Location: A small cave in deepest darkest Basingstoke, UK
- Contact: Website Twitter
Re: 18B20 not showing up in list
Note: Any requirement to use a crystal ball or mind reading will result in me ignoring your question.
Criticising any questions is banned on this forum.
Any DMs sent on Twitter will be answered next month.
All non-medical doctors are on my foes list.
Criticising any questions is banned on this forum.
Any DMs sent on Twitter will be answered next month.
All non-medical doctors are on my foes list.
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chanakya1984
- Posts: 5
- Joined: Wed Feb 11, 2015 4:40 pm
Re: 18B20 not showing up in list
thanks a lot. this solved the problem for meDougieLawson wrote:http://www.raspberrypi.org/forums/viewt ... 3&p=691623
