Get a photocell and hook it to an arduino with an SD card to log data and a very simple program to write a photocell reading every say 5 min and it will do that as long as it has power. Pull the card every few days, look at the data and Bob’s yer unkie
--FT Sent from iPhone > On Aug 26, 2020, at 9:09 PM, Andrew Strasfogel via Mercedes > <mercedes@okiebenz.com> wrote: > > I want to install a solar powered security lantern somewhere on the side of > the yard that receives enough sunlight to fully charge the batteries and > maximize the time the lantern is lit. > > To that end I am looking for a measurement device I can leave outside in > various spots in the yard to find the one with the greatest solarity. > > The only device I could find is called SunCalc. You leave out for 12 hours > and it simply tells you whether the spot is appropriate for plants that > require full or partial sun. > https://www.ebay.com/itm/Luster-Leaf-SunCalc-Rapitest-Plant-Growth-Gardening-Products-1875/353182264845?epid=24011372456&hash=item523b4dae0d:g:Z6gAAOSwybZfRkQv#rwid > > I'd prefer something that records the number of hours of direct sunlight > for a particular spot. Anyone own one of these, assuming it exists? > > Thanks. > > > > full vs. partial sun > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
