When Cici (age 6 at the time) and I first encountered the whining sound from an XO-1.5 powered by a panel, we made electronic music by waving our hands and toys over the panel. We got a theremin for free!
http://www.flickr.com/photos/curiouslee/5172563580/ Mike On Fri, Nov 2, 2012 at 1:02 PM, Caryl Bigenho <[email protected]> wrote: > Thanks folks for the info.... now I am wondering... if I were to put the > solar panel in the *shade* on a bright, sunny day would it work on the > XO-1? Also, I still would like to know what the high-pitched whining sound > (guessing it was around 1800cps) was and whether the XO could be damaged? I > won't try it until I have assurance it won't damage the machine. > > Back to the XO-1.75... The sun was really bright yesterday when I was > experimenting, and the panel was tilted at an angle to catch the full sun. > XO-1.75 still wouldn't do anything. I really wanted to replicate Richard's > "show" with the idea of doing it at SCaLE 12X in February. But, then, it is > usually pretty foggy or rainy near LAX in Feb when they have SCaLE. > > Thanks again. More suggestions of fun things to try would be welcome. I > guess I'm in my "second childhood" (or maybe I never left the first one!) > > Caryl (aka GrannieB) > > > > > To: [email protected] > > From: [email protected] > > Date: Fri, 2 Nov 2012 08:30:39 -0400 > > Subject: Re: [support-gang] Questions About Solar Panels > > > > > james wrote: > > > G'day Caryl, > > > > > > Mike is right, some panels are incompatible with an XO-1. They just > > > won't charge if the sun is too bright. > > > > > > To discharge the batteries, one way is to break into the ok prompt, and > > > leave it on there. > > > > > > To answer your questions though, > > > > > > On Thu, Nov 01, 2012 at 10:27:31PM -0700, Caryl Bigenho wrote: > > > > 1) Why the XO-1.75 would not even complete the start up using the > > > > solar panel with the battery out? > > > > > > Because there was insufficient power from the solar panel. You might > > > fix this by either (a) using a more powerful solar panel, (b) tilting > > > it toward the sun, or (c) wait for midday sun. > > > > and remember, leaving aside richard's starring role in that solar-only > > 1.75 video last year, the laptops aren't really meant to run on just > > solar alone -- the battery provides stability, by making up for small > > dips in solar output from clouds, etc. > > > > it _might_ also be the case that you have early hardware -- we paid > > a lot more attention to solar operation on 1.75 than on the earlier > > laptops, and some of the charging circuitry might have changed early > > on. richard will remember. > > > > paul > > =--------------------- > > paul fox, [email protected] > > _______________________________________________ > > support-gang mailing list > > [email protected] > > http://lists.laptop.org/listinfo/support-gang > > _______________________________________________ > support-gang mailing list > [email protected] > http://lists.laptop.org/listinfo/support-gang > >
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