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docs:techref:hardware:port.gpio:1-wire [2022/01/01 15:51] – addition for as of 21.02.0 elux011docs:techref:hardware:port.gpio:1-wire [2024/09/18 09:35] (current) – [1-wire Bus] elux011
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 This guide will only cover 1-Wire Bus Connections  (as of Sep 13, 2019) up to the stable release v19.07.8. For newer Kernels (since v21.02.0) the Package "kmod-w1-gpio-custom" is no longer available. This guide will only cover 1-Wire Bus Connections  (as of Sep 13, 2019) up to the stable release v19.07.8. For newer Kernels (since v21.02.0) the Package "kmod-w1-gpio-custom" is no longer available.
 Therefore the Installation is a bit more extensive.   Therefore the Installation is a bit more extensive.  
-The Device which got tested was a OrangePI PC+.+The Device which got tested was a **OrangePI PC+** (a different method is recommended for the Raspberry Pi!)
  
 ===== Installation up to v19.07.8===== ===== Installation up to v19.07.8=====
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 </code> </code>
 Notice:  Notice: 
-  -  phandle: you have to use a hex number following the highest number used in the file. +  -  phandle: you have to use a hex number following the highest number of phandle used in the file. 
-  -  gpios: the "0xa" ist the phandle of the used pinctrl, the "0x3" is the hex number of the used Pin, the "0x6" ist the Configuration of the Pin.+  -  gpios: the "0xa" ist the phandle of the used pinctrl, the "0x0" is the used Bank (0 = A...), the "0x3" is the hex number of the used Pin inside the bank, the "0x6" ist the Configuration of the Pin.
  
   * compile   * compile
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 On the Internet, other values ​​are given also, here it works well with 4.7kOhm and six DS18B20 Sensors. On the Internet, other values ​​are given also, here it works well with 4.7kOhm and six DS18B20 Sensors.
  
-{{ http://r-ost.de/owrt/w1.png?200x100&nocache }}+{{:media:doc:howtos:w1-ds18b20.png?direct}}
  
 It is also possible to operate the 1-Wire Bus with just the Gnd and Bus Lines, with the Sensors deriving power "parasitically" from the Bus Line. For further information, read the datasheet of the device. It is also possible to operate the 1-Wire Bus with just the Gnd and Bus Lines, with the Sensors deriving power "parasitically" from the Bus Line. For further information, read the datasheet of the device.
 +For longer cables, the use of an insulator such as ADUM1201 is recommended.
  
  
  • Last modified: 2022/01/01 15:51
  • by elux011