Watshome YT6018-2 weather station: Difference between revisions
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The 8ms gap is the start of the package. | The 8ms gap is the start of the package. | ||
Is is a space length protocol like X10. | |||
A '1' is a pulse followed by a gap of three times the pulse duration. | A '1' is a pulse followed by a gap of three times the pulse duration. | ||
A '0' is a pulse followed by a gap of the same duration as the pulse. | A '0' is a pulse followed by a gap of the same duration as the pulse. | ||
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F A | F A | ||
CC is channel | CC is the channel | ||
00 ch1 | 00 ch1 | ||
01 ch2 | 01 ch2 | ||
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In the above example the temperature is 0000:1100:1011 which is 203. So it is 20.3 degrees Celsius. | In the above example the temperature is 0000:1100:1011 which is 203. So it is 20.3 degrees Celsius. | ||
[[File:Yt6018-2-neg.PNG]] | |||
1111 1010 1000 1111 1101 1011 1111 0000 0000 | 1111 1010 1000 1111 1101 1011 1111 0000 0000 | ||
---- ---- --CC TTTT TTTT TTTT ---- ---- ---- | ---- ---- --CC TTTT TTTT TTTT ---- ---- ---- | ||
the sensor on channel 1 has 1111:1101:1011 which is -37. -3.7 degrees Celsius. | the sensor on channel 1 has 1111:1101:1011 which is -37. -3.7 degrees Celsius. | ||
Revision as of 23:00, 19 January 2013
Watshome YT6018-2 weather station
The Watshome wireless sensor is realy a Fujian Youtong device see http://www.youtonggroup.com
With the protocol analyser from www.nethome.nu I got the following sample:
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The 8ms gap is the start of the package. Is is a space length protocol like X10. A '1' is a pulse followed by a gap of three times the pulse duration. A '0' is a pulse followed by a gap of the same duration as the pulse.
so in the example the package is:
1111 1010 1010 0000 1100 1011 1111 0000 0000 ---- ---- --CC TTTT TTTT TTTT ---- ---- ---- F A
CC is the channel 00 ch1 01 ch2 10 ch3
T is the temperature times 10
In the above example the temperature is 0000:1100:1011 which is 203. So it is 20.3 degrees Celsius.
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1111 1010 1000 1111 1101 1011 1111 0000 0000 ---- ---- --CC TTTT TTTT TTTT ---- ---- ----
the sensor on channel 1 has 1111:1101:1011 which is -37. -3.7 degrees Celsius.