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The DHT22/AM2302 is a low cost, reliable schermbediening temperature and humidity sensor and the successor of the widely used DHT11. This module is suitable for both 5V and 3.3V microcontrollers.
Particularities
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Using capacitive moisture sensor and hot conductor, the sensor measures surrounding air data and passes these values further as a digital signal to the data PIN (no analog input pins are required).
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For advanced users, the sensor module can also be controlled directly, without library.
Technical specifications
| Supply voltage | 3.3-6V DC |
| Output signal | Digital signal via single bus |
| Sensor element | Polymer capacitor |
| Work area moisture | 0-100%RH |
| Work area temperature |
Beoordelingen
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