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PDF AM2303 Data sheet ( Hoja de datos )
| Número de pieza | AM2303 | |
| Descripción | Digital-output relative humidity & temperature sensor/module | |
| Fabricantes | Aosong | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AM2303 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Aosong(Guangzhou) Electronics Co.,Ltd
---------------------------------------------------------------------------------------------------------------------
Tell: +86-020-36380552, +86-020-36042809 Fax: +86-020-36380562
http://www.aosong.com
Address: No.56, Renhe Road, Renhe Town, Baiyun District, Guangzhou, China
Digital-output relative humidity & temperature sensor/module
AM2303
Capacitive-type humidity and temperature module/sensor
1. 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
2. Description:
AM2303 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 AM2303 to be suited in all kinds of
harsh application occasions.
Single-row packaged with four pins, making the connection very convenient.
3. Technical Specification:
Model
Power supply
Output signal
Sensing element
Measuring range
AM2303
3.3-6V DC
digital signal via single-bus
Polymer humidity capacitor & DS18B20 for detecting temperature
humidity 0-100%RH;
temperature -40~125Celsius
-1-
1 page  
Aosong(Guangzhou) Electronics Co.,Ltd
---------------------------------------------------------------------------------------------------------------------
Tell: +86-020-36380552, +86-020-36042809 Fax: +86-020-36380562
http://www.aosong.com
Address: No.56, Renhe Road, Renhe Town, Baiyun District, Guangzhou, China
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Start transmit 1bit data
Start transmit next bit data
26-28us voltage-length means data "0"
Host signal
Sesnor's signal
Single-bus signal
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Step 3: AM2303 send data to MCU
When AM2303 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:
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5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AM2303.PDF ] | |
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