amc2020:group_n:dht22
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| amc2020:group_n:dht22 [2020/07/28 20:45] – [3.2.3 Upload-issues using the ESP32 DevkitC VB] jonas001 | amc2020:group_n:dht22 [2021/08/24 17:35] (current) – external edit 127.0.0.1 | ||
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| ====== DHT-22 Air Temperature and Humidity Sensor ====== | ====== DHT-22 Air Temperature and Humidity Sensor ====== | ||
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| | Repeatability | | Repeatability | ||
| The specifications are also available in the {{https:// | The specifications are also available in the {{https:// | ||
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| + | |**//Figure 3//** Connection of ESP32 and DHT-22.| | ||
| ==== 3.1 Pullup Resistors ==== | ==== 3.1 Pullup Resistors ==== | ||
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| Between the printing of the results (line 3, 4, 5) and the start of the next measurement process (line 6) a time difference of 2.04 seconds could be observed. 2 seconds are due to the delay in the main loop (code section 10), the rest is due to the print() functions which consume comparably much time. | Between the printing of the results (line 3, 4, 5) and the start of the next measurement process (line 6) a time difference of 2.04 seconds could be observed. 2 seconds are due to the delay in the main loop (code section 10), the rest is due to the print() functions which consume comparably much time. | ||
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amc2020/group_n/dht22.1595961952.txt.gz · Last modified: 2021/08/24 17:34 (external edit)