4 قطعة DHT21 AM2301 وحدة استشعار درجة الحرارة والرطوبة الرقمية بالسعة SHT11 SHT15 لاردوينو
مميزات خاصة
- ★Operating Voltage: DC3.3V ~ 5.2V.
- ★Temperature Range:-40 ℃ ~ 80 ℃; Temperature Accuracy: 0.3 ℃; Resolution: 0.1 ℃.
- ★Humidity Range: 0% ~ 99.9%(0 ℃ ~ 50 ℃ range); Humidity Accuracy: 3% RH(25 ℃).
- ★Ultra-low energy consumption, long transmission distance, all automatic calibration, capacitive humidity sensor.
- ★Standard digital single bus output, excellent long-term stability, high-precision temperature measurement components.
وصف
Features:
Model: DHT21
Range: 0-100%RH
Temperature Measuring Range: -40~80℃
Humidity Measurement Accuracy: ±3%RH
Temperature Measurement Accuracy: ±0.5℃
DHT21 0-100% RH -40 ~ 80 ℃ ± 3% RH ± 0.5 ℃ 0.1
Resolution: 0.1
Relative humidity and temperature measurements, digital output
Excellent long-term stability
No need additional components
Long signal transmission distance
Ultra-low power consume
4 pin for installation
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