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Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024

Cumulus MX V4 beta test release 4.0.0 (build 4019) - 03 April 2024

Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
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Search found 3 matches

by EA1EF
Sun 09 Nov 2014 7:46 pm
Forum: Homebuilt
Topic: Homebrew Davis Solar sensor
Replies: 37
Views: 38608

Re: Homebrew Davis Solar sensor

the big and esay problem to solved are the davis timming for this sensors davis only take sourced a few milliseconds for Radiation sensor (about 0,4 seg) and take the read in first 0,2 sec aprox) in UV sensor take sourced about 1,5 seg and read about first 0'4 sec. easier way to solve are keel allwa...
by EA1EF
Fri 29 Nov 2013 4:31 pm
Forum: Homebuilt
Topic: Homebrew Davis Solar sensor
Replies: 37
Views: 38608

Re: Homebrew Davis Solar sensor

ok i continue investigating, new info about this are: The input IS linear... The minimum display value for UV index is 0.5 at 0.070 volts. The step voltage (from say 1.0 to 1.1 UV index) is 0.0143 volts per step. The MAX input for 16.0 UV index is 2.395 volts. The short circuit current from the ISS ...
by EA1EF
Fri 29 Nov 2013 12:00 pm
Forum: Homebuilt
Topic: Homebrew Davis Solar sensor
Replies: 37
Views: 38608

Re: Homebrew Davis Solar sensor

Sorry if it´s offtopic but y have a question that can be very interesting for homebuilt (any) sensor for Davis Vantage Pro2 system. I study in deepth different theories for implement third party sensors on Davis Vantage Pro stations because the only official option isn´t cheap (the Envoy8x + datalog...