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interfaces:1wire [2024/11/23 04:49] – [DS18B20 Thermometer] 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 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>
  
-=== KEYES KY-001 DS18B20 module ===+=== DS18B20 water-proof thermometer === 
 + 
 +<wrap right> 
 +{{interfaces:tempprobe.jpg?50}} 
 +</wrap> 
 + 
 +<code> 
 +BLACK  GROUND 
 +YELLOW DATA 
 +RED    POWER 
 + 
 +ROM 28 FF CB AA 72 15 02 A7 (clone) 
 +</code> 
 + 
 +=== 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]]