You are here: start » interfaces » 1wire

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
interfaces:1wire [2024/11/23 04:57] – [DS18B20 water-proof probe] darroninterfaces:1wire [2024/11/23 05:44] (current) – [Resources] darron
Line 1: Line 1:
 ==== 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 ===
  
Line 44: Line 44:
  
 === DS18B20 thermometer  === === DS18B20 thermometer  ===
 +
 +<wrap right>
 +{{:interfaces:ds18b20.jpg?50}}
 +</wrap>
 +
 <code> <code>
 +TO-92
 +-------+ +-------+
 | 1 2 3 | | 1 2 3 |
Line 66: Line 72:
  
 === DS18B20 water-proof thermometer === === DS18B20 water-proof thermometer ===
 +
 +<wrap right>
 +{{interfaces:tempprobe.jpg?50}}
 +</wrap>
 +
 <code> <code>
 BLACK  GROUND BLACK  GROUND
Line 74: Line 85:
 </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.
Line 116: Line 131:
 === 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]]