Difference between revisions of "Protocol decoder:Am230x"

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(rht03 and renaming info)
 
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{{Infobox protocol decoder
{{Infobox protocol decoder
| id              = am230x
| id              = am230x
| name            = AM230x/DHTxx
| name            = AM230x/DHTxx/RHTxx
| description    = Aosong AM230x/DHTxx humidity/temperature sensor protocol
| description    = Aosong AM230x/DHTxx/RHTxx humidity/temperature sensor protocol
| status          = supported
| status          = supported
| license        = GPLv2+
| license        = GPLv2+
Line 84: Line 84:
| analog
| analog
| [http://akizukidenshi.com/download/ds/aosong/DHT11.pdf PDF]
| [http://akizukidenshi.com/download/ds/aosong/DHT11.pdf PDF]
|-
| RTH03
| ?
| ?
| ?
| https://www.sparkfun.com/products/10167


|}
|}
These parts are often renamed or rebadged.


=== Aosong AM2301 ===
=== Aosong AM2301 ===
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* [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]
* [http://playground.arduino.cc/Main/DHTLib arduino.cc: DHTLib]
* [http://playground.arduino.cc/Main/DHTLib arduino.cc: DHTLib] Contains a mapping of common renames


[[Category:Protocol decoder]]
[[Category:Protocol decoder]]

Latest revision as of 21:36, 30 May 2015

am230x
Aosong dht11 top.jpg
Name AM230x/DHTxx/RHTxx
Description Aosong AM230x/DHTxx/RHTxx humidity/temperature sensor protocol
Status supported
License GPLv2+
Source code decoders/am230x
Input logic
Output am230x
Probes SDA
Optional probes
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 ? ? PDF
Aosong AM2302 ST STM8S103F3 (8S103F3P6), SOIC-20 analog analog PDF
Aosong AM2303 ST STM8S103F3 (8S103F3P6), SOIC-20 Dallas DS18B20 analog PDF
Aosong AM2305 ? ? ? PDF
Aosong AM2306 ? ? ? PDF
Aosong AM2320 ? ? ? ?
Aosong AM2321 ? ? ? ?
Aosong AM2322 ? ? ? ?
Aosong DHT11 Unknown SOIC-14 analog analog PDF
RTH03 ? ? ? https://www.sparkfun.com/products/10167

These parts are often renamed or rebadged.

Aosong AM2301

Aosong AM2302

Aosong AM2303

Aosong DHT11

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.

Resources