Module/TI TMP102
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File:Tmp102.jpg
TI TMP102
Overview
The Texas Instruments TMP102 is a small and affordable temperature sensor.
| Module name | meteo/temp_tmp102 |
| Sensor type | temperature |
| Range | -40°C .. +125°C |
| Resolution | 0.0625°C |
| Refresh rate | 8Hz |
| I2C address | 0x90 |
Hardware
The TMP102 can be directly interfaced to the Paparazzi autpilot 3.3V I2C interfaces.
Supplier: Sparkfun
Wiring
| Autopilot I2C pin | Autopilot I2C | TMP102 |
| 1 | GND | GND |
| 2 | ||
| 3 | +3.3V | V+ |
| 4 | SDA | SDA |
| 5 | SCL | SCL |
Usage
To use the temperature sensor add the module to your airframe file.
| File: conf/airframes/myplane.xml |
<modules>
<load name="temp_tmp102.xml"/>
</modules>
|
Result message
The raw data (itemp) and the converted result (temp) is written to the log file. The message is automatically sent when new data is received, it does not have to be added to the telemetry file.
| File: conf/messages.xml |
<message name="TMP_STATUS" id="86">
<field name="itemp" type="uint16"/>
<field name="temp" type="float" unit="deg_celsius" format="%.2f"/>
</message>
|
Sample log file lines
23.909 123 TMP_STATUS 338 21.12 23.909 123 TMP_STATUS 337 21.06 23.909 123 TMP_STATUS 336 21. 23.909 123 TMP_STATUS 334 20.88