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interfaces:1wire [2024/11/23 04:57] – [DS18B20] darroninterfaces:1wire [2024/11/23 05:44] (current) – [Resources] darron
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 ==== 1wire bus ==== ==== 1wire bus ====
 <wrap right> <wrap right>
-{{:interfaces:1wire.jpg?200}}+{{:interfaces:1wire.jpg?100}}
 \\ \\ \\ \\
-{{:interfaces:1wire-2.jpg?200}}+{{:interfaces:1wire-2.jpg?100}}
 \\ \\ \\ \\
-{{:interfaces:keyes.jpg?200}}+{{:interfaces:keyes.jpg?100}}
 </wrap> </wrap>
  
 The 1wire bus supports various low speed digital devices and is supported in Linux on the Raspberry Pi. The 1wire bus supports various low speed digital devices and is supported in Linux on the Raspberry Pi.
  
-NB All DS18B20 thermometers sold by from non-reputable dealers are fake.+NB All DS18B20 thermometer ICs from non-reputable dealers are fake.
 === Raspberry Pi === === Raspberry Pi ===
  
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 === DS18B20 thermometer  === === DS18B20 thermometer  ===
 +
 +<wrap right>
 +{{:interfaces:ds18b20.jpg?50}}
 +</wrap>
 +
 <code> <code>
 +TO-92
 +-------+ +-------+
 | 1 2 3 | | 1 2 3 |
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 </code> </code>
  
-=== DS18B20 water-proof probe ===+=== DS18B20 water-proof thermometer === 
 + 
 +<wrap right> 
 +{{interfaces:tempprobe.jpg?50}} 
 +</wrap> 
 <code> <code>
 BLACK  GROUND BLACK  GROUND
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 </code> </code>
  
-=== KEYES KY-001 DS18B20 module ===+=== KEYES KY-001 DS18B20 thermometer module === 
 + 
 +<wrap right> 
 +{{:interfaces:keyes2.jpg?50}} 
 +</wrap>
  
 This module re-orders the pins so beware. This module re-orders the pins so beware.
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 === Resources === === Resources ===
  
-[[https://datasheets.maximintegrated.com/en/ds/DS18B20.pdf|DS18B20 Thermometer]]+[[https://datasheets.maximintegrated.com/en/ds/DS18B20.pdf|DS18B20 thermometer data-sheet]]
  
-[[https://datasheets.maximintegrated.com/en/ds/DS2431.pdf|DS2431 EEPROM]]+[[https://datasheets.maximintegrated.com/en/ds/DS2431.pdf|DS2431 EEPROM data-sheet]]
  
 +[[https://github.com/cpetrich/counterfeit_DS18B20|Fake DS18B20]]