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| interfaces:dht11 [2024/05/29 12:47] – darron | interfaces:dht11 [2024/05/29 16:11] (current) – [DHT11] darron | ||
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| {{: | {{: | ||
| {{: | {{: | ||
| - | |||
| </ | </ | ||
| + | Humidity and temperature sensor. | ||
| + | |||
| + | The temperature sensor is reasonably accurate but humidity | ||
| + | is ludicrously inaccurate but can be used to determine humidity | ||
| + | changes? | ||
| ===RPi=== | ===RPi=== | ||
| + | |||
| + | In the past (2/1/2016) the kernel mode for reading the DHT11 did not work | ||
| + | reliably or at all but in 2024 it appears to be functional but may require | ||
| + | a few retries. | ||
| ==config.txt== | ==config.txt== | ||
| < | < | ||
| - | #dtoverlay=dht11, | + | dtoverlay=dht11, |
| </ | </ | ||
| + | ==Temperature== | ||
| + | |||
| + | < | ||
| + | cat / | ||
| + | 26000 | ||
| + | </ | ||
| + | |||
| + | ==Humidity== | ||
| + | < | ||
| + | cat / | ||
| + | 18000 | ||
| + | </ | ||
| ===Resources=== | ===Resources=== | ||
| [[https:// | [[https:// | ||
