Martinmm: /* Result message */

2013-03-10T16:26:14Z

Result message

← Older revision		Revision as of 10:26, 10 March 2013
Line 83:		Line 83:

	Sample log file lines		Sample log file lines
	~~(none)~~		2.663 TMP_STATUS 123 45 22.5
			2.908 TMP_STATUS 123 46 23.
			3.333 TMP_STATUS 123 47 23.5
			3.665 TMP_STATUS 123 47 23.5

	[[Category:User_Documentation]] [[Category:Modules]]		[[Category:User_Documentation]] [[Category:Modules]]

Martinmm: Created page with "NOTOC LM75 in hot glue ==Overview== The National LM75 (now Texas Instruments LM75A) is an affordable temperature sensor that could be used e.g…"

2013-03-07T22:45:01Z

Created page with "__NOTOC__ thumb|right|LM75 in hot glue ==Overview== The National LM75 (now Texas Instruments LM75A) is an affordable temperature sensor that could be used e.g…"

New page

__NOTOC__
[[Image:Lm75.jpg|thumb|right|LM75 in hot glue]]
==Overview==

The National LM75 (now Texas Instruments LM75A) is an affordable temperature sensor that could be used e.g. to measure battery temperature.

{|border="1"
|-valign="top"
||Module name||meteo/temp_lm75
|-
|Sensor type
|temperature
|-
|Range
| -55°C .. +125°C
|-
|Resolution
|0.5°C
|-
|Refresh rate
|3Hz
|-
|I2C address
|0x90
|}

[http://www.ti.com/product/lm75a TI product homepage]

==Hardware==
The LM75 can be directly interfaced to the Paparazzi autpilot 3.3V I2C interfaces.

=== Wiring ===
{|border="1"
|-valign="top"
||'''Autopilot I2C pin'''||'''Autopilot I2C'''||'''LM75'''
|-
|1
|GND
|GND
|-
|2
|
|
|-
|3
| +3.3V
| +Vs
|-
|4
|SDA
|SDA
|-
|5
|SCL
|SCL
|}

==Usage==

To use the temperature sensor add the module to your airframe file.
{{Box Code|conf/airframes/myplane.xml|
<source lang="xml">
<modules>
<load name="temp_lm75.xml"/>
</modules>
</source>
}}

===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.
{{Box Code|conf/messages.xml|
<source lang="xml">
<message name="TMP_STATUS" id="86">
<field name="itemp" type="uint16"/>
<field name="temp" type="float" unit="deg_celsius" format="%.2f"/>
</message>
</source>
}}

Sample log file lines
(none)

[[Category:User_Documentation]] [[Category:Modules]]

Module/LM75 - Revision history

Martinmm: /* Result message */

Martinmm: Created page with "__NOTOC__ LM75 in hot glue ==Overview== The National LM75 (now Texas Instruments LM75A) is an affordable temperature sensor that could be used e.g…"

Martinmm: Created page with "NOTOC LM75 in hot glue ==Overview== The National LM75 (now Texas Instruments LM75A) is an affordable temperature sensor that could be used e.g…"