Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
interfaces:1wire [2016/01/19 15:16] – darron | interfaces:1wire [2016/01/20 10:21] (current) – [KEYES DS18B20 module] darron | ||
---|---|---|---|
Line 4: | Line 4: | ||
\\ \\ | \\ \\ | ||
{{: | {{: | ||
+ | \\ \\ | ||
+ | {{: | ||
</ | </ | ||
Line 27: | Line 29: | ||
| 7 | GPIO4 | DATA| | | 7 | GPIO4 | DATA| | ||
- | Data is pulled high via 4K7 to 3V3 power. | + | The relevant pins on the Pi header are as follows. |
+ | < | ||
+ | +---P1---+ | ||
+ | 3V3 | ||
+ | GPIO0/ | ||
+ | GPIO1/ | ||
+ | GPIO4 07 2 08 GPIO14/TX | ||
+ | .. .. | ||
+ | </ | ||
+ | |||
+ | NB. The 1 wire data line must pulled high via 4K7 to 3V3 power. | ||
+ | |||
=== DS18B20 Thermometer === | === DS18B20 Thermometer === | ||
< | < | ||
Line 48: | Line 62: | ||
</ | </ | ||
- | === KEYES DS18B20 module === | + | === KEYES KY-001 |
This module re-orders the pins so beware. | This module re-orders the pins so beware. |