Difference between revisions of "Protocol decoder:Am230x"
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Uwe Hermann (talk | contribs) m (→Hardware) |
Uwe Hermann (talk | contribs) (More table entries, add options.) |
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| probes = SDA | | probes = SDA | ||
| optional_probes = | | optional_probes = | ||
| options = device | |||
}} | }} | ||
The '''am230x''' protocol decoder decodes the [http://www.aosong.com/en/products/index.asp?classid=313&name=Humidity%20&%20temp%20Sensor/OEM Aosong | The '''am230x''' protocol decoder decodes the [http://www.aosong.com/en/products/index.asp?classid=313&name=Humidity%20&%20temp%20Sensor/OEM Aosong AM230x/DHT11] temperature and humidity sensor single-wire protocol. | ||
== Hardware == | == Hardware == | ||
| Line 27: | Line 28: | ||
!Temperature | !Temperature | ||
!Humidity | !Humidity | ||
!Datasheet | |||
|- | |- | ||
| Aosong AM2301 | | [http://www.aosong.com/en/products/details.asp?id=110 Aosong AM2301] | ||
| Unknown SOIC-10 | | Unknown SOIC-10 | ||
| ? | | ? | ||
| ? | | ? | ||
| [http://meteobox.tk/files/AM2301.pdf PDF] | |||
|- | |- | ||
| Aosong AM2302 | | [http://www.aosong.com/en/products/details.asp?id=117 Aosong AM2302] | ||
| [http://www.st.com/web/catalog/mmc/FM141/SC1244/SS1010/LN754/PF215113 ST STM8S103F3] (8S103F3P6), SOIC-20 | | [http://www.st.com/web/catalog/mmc/FM141/SC1244/SS1010/LN754/PF215113 ST STM8S103F3] (8S103F3P6), SOIC-20 | ||
| analog | | analog | ||
| analog | | analog | ||
| [http://www.adafruit.com/datasheets/Digital%20humidity%20and%20temperature%20sensor%20AM2302.pdf PDF] | |||
|- | |- | ||
| Aosong AM2303 | | Aosong AM2303 | ||
| Line 43: | Line 47: | ||
| [http://www.maximintegrated.com/en/products/analog/sensors-and-sensor-interface/DS18B20.html Dallas DS18B20] | | [http://www.maximintegrated.com/en/products/analog/sensors-and-sensor-interface/DS18B20.html Dallas DS18B20] | ||
| analog | | analog | ||
| [http://www.aosong.com/asp_bin/Products/en/AM2303.pdf PDF] | |||
|- | |||
| [http://aosong.com/en/products/details.asp?id=121 Aosong AM2305] | |||
| ? | |||
| ? | |||
| ? | |||
| [http://www.aosong.com/asp_bin/Products/en/AM2305.pdf PDF] | |||
|- | |||
| [http://aosong.com/en/products/details.asp?id=115 Aosong AM2306] | |||
| ? | |||
| ? | |||
| ? | |||
| [http://www.aosong.com/asp_bin/Products/en/AM2306.pdf PDF] | |||
|- | |||
| Aosong AM2320 | |||
| ? | |||
| ? | |||
| ? | |||
| ? | |||
|- | |||
| Aosong AM2321 | |||
| ? | |||
| ? | |||
| ? | |||
| ? | |||
|- | |||
| Aosong AM2322 | |||
| ? | |||
| ? | |||
| ? | |||
| ? | |||
|- | |- | ||
| Aosong DHT11 | | Aosong DHT11 | ||
| Line 48: | Line 83: | ||
| analog | | analog | ||
| analog | | analog | ||
| [http://akizukidenshi.com/download/ds/aosong/DHT11.pdf PDF] | |||
|} | |} | ||
| Line 102: | Line 138: | ||
== Resources == | == Resources == | ||
* [http://www.aosong.com/en/home/index.asp Aosong | * [http://www.aosong.com/en/home/index.asp Aosong website] | ||
* [https://learn.adafruit.com/dht/ Adafruit: DHT sensor tutorial] | * [https://learn.adafruit.com/dht/ Adafruit: DHT sensor tutorial] | ||
** [https://github.com/adafruit/DHT-sensor-library GitHub: Adafruit DHT-sensor-library] | ** [https://github.com/adafruit/DHT-sensor-library GitHub: Adafruit DHT-sensor-library] | ||
Revision as of 23:38, 2 April 2015
 | |
| Name | AM230x/DHTxx |
|---|---|
| Description | Aosong AM230x/DHTxx humidity/temperature sensor protocol |
| Status | supported |
| License | GPLv2+ |
| Source code | decoders/am230x |
| Input | logic |
| Output | am230x |
| Probes | SDA |
| Options | device |
The am230x protocol decoder decodes the Aosong AM230x/DHT11 temperature and humidity sensor single-wire protocol.
Hardware
See the am230x directory for example capture files.
Models
| Model | Microcontroller | Temperature | Humidity | Datasheet |
|---|---|---|---|---|
| Aosong AM2301 | Unknown SOIC-10 | ? | ? | |
| Aosong AM2302 | ST STM8S103F3 (8S103F3P6), SOIC-20 | analog | analog | |
| Aosong AM2303 | ST STM8S103F3 (8S103F3P6), SOIC-20 | Dallas DS18B20 | analog | |
| Aosong AM2305 | ? | ? | ? | |
| Aosong AM2306 | ? | ? | ? | |
| Aosong AM2320 | ? | ? | ? | ? |
| Aosong AM2321 | ? | ? | ? | ? |
| Aosong AM2322 | ? | ? | ? | ? |
| Aosong DHT11 | Unknown SOIC-14 | analog | analog |
Aosong AM2301
Device, top
Device, bottom
Device PCB, open
Device PCB, top
Device PCB, bottom
Aosong AM2302
Device, top
Device, bottom
PCB, top
PCB, bottom
STM8S103F3
Sensor
Debris
Aosong AM2303
Device, top
Device, bottom
PCB, top
PCB, bottom
DS18B20
Debris
Aosong DHT11
Device, top
Device, bottom
Device PCB, open
Device PCB, top
Device PCB, bottom
Protocol
A custom single-wire protocol (not to be confused with the Dallas 1-Wire protocol!) is used to get the measured values from the sensor.
The actual payload consists of a humidity value, a temperature value, and a checksum.