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PDF HM2301 Data sheet ( Hoja de datos )
| Número de pieza | HM2301 | |
| Descripción | Digital-output humidity and temperature sensor | |
| Fabricantes | Hanwei | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HM2301 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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HM2301 Digital-output humidity and temperature sensor Data sheet
HM2301 Digital-output humidity and temperature sensor
Feature & Application:
- Full range temperature compensated
- Relative humidity and temperature measurement
- Calibrated digital signal
- Outstanding long-term stability
- Extra components not needed
- Long transmission distance
- Low power consumption
- 4 pins packaged and fully interchangeable
Description:
output calibrated digital signal. It utilizes exclusive digital-signal-collecting-technique and humidity
sensing technology, assuring its reliability and stability.Its sensing elements is connected with 8-bit
single-chip computer.
Every sensor of this model is temperature compensated and calibrated in accurate calibration chamber
and the calibration-coefficient is saved in type of programme in OTP memory, when the sensor is
detecting, it will cite coefficient from memory.
Small size & low consumption & long transmission distance(20m) enable DHT21 to be suited in all kinds
of harsh application occasions.
Single-row packaged with four pins, making the connection very convenient.
Technical Specification:
Model
HM2301
Power supply
3.3-5V DC
Output signal
digital signal via single-bus
Sensing element
Polymer humidity capacitor
Street Address: No.169 Xuesong Road,National&High Tech Zone,Zhengzhou
Zip: 450001
Telephone: 86-371-67169080/70
Fax: 86-371-67169090
Website: http://www.hwsensor.com
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HM2301 Digital-output humidity and temperature sensor Data sheet
Step 3: HM2301send data to MCU
When HM2301 is sending data to MCU, every bit's transmission begin with low-voltage-level that last
50us, the following high-voltage-level signal's length decide the bit is "1" or "0".
Check bellow picture for step 3:
Street Address: No.169 Xuesong Road,National&High Tech Zone,Zhengzhou
Zip: 450001
Telephone: 86-371-67169080/70
Fax: 86-371-67169090
Website: http://www.hwsensor.com
5 / 6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HM2301.PDF ] | |
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