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Cómo usar el sensor DHT22 con Arduino sin lecturas raras

Conectas el sensor, cargas el ejemplo y el monitor serie solo muestra "nan" o una temperatura que salta de 21 a 85 grados sin motivo.

LBLucía BenítezNov 12, 2026Electrónica
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A white temperature and humidity sensor on a breadboard wired to a blue Arduino board with jumper cables on a workbench

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