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count me in!<br>Lucie<br><br>> From: fy81le@googlemail.com<br>> Date: Wed, 24 Jun 2009 11:55:25 +0100<br>> To: members@electronclub.org<br>> Subject: Re: [ELECTRON] Arduino for beginners - Re: new member Brian<br>> <br>> I'd be very interested in learning some more about Arduinos too btw.<br>> Roy Mohan Shearer<br>> (post-)Industrial Designer<br>> <br>> ____________________________________________________<br>> Zero-waste Design,<br>> Southside Studios, 17 Westmoreland St., Glasgow, G42 8LL<br>> +44 (0)141 2211926<br>> www.zero-waste.co.uk<br>> ___________________________________________________<br>> www.tinyurl.com/thesoundishere | www.dbasscollective.co.uk<br>> <br>> <br>> <br>> <br>> 2009/6/23 Brian Hewitt <brianhewitt1@gmail.com>:<br>> > Thanks. I have seen something like that in other tutorials, although the way<br>> > it was referred to was different. That definitely makes sense.<br>> ><br>> > One other question: in the arduino sketches, when you're using #include to<br>> > call library scripts (like the LCD files, for example), do you have to set<br>> > the path to library files or is that set up as a default path somewhere in<br>> > the development environment already?<br>> ><br>> > Brian<br>> ><br>> > On 23 Jun 2009, at 22:05 | 23 Jun 2009, Ross Feilen wrote:<br>> ><br>> >> Hi Brian,<br>> >><br>> >> From memory Vo is the contrast voltage which can be anything between 0 and<br>> >> 5v. Usual way of connecting this is to have a 10k or thereabouts pot<br>> >> which<br>> >> lets you vary the voltage between 5v and ground. There is an example<br>> >> wiring<br>> >> diagram on the datasheets for RS product<br>> >><br>> >> http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct<br>> >> &R=2143244<br>> >><br>> >> If you don't supply the correct voltage to this pin by using the pot<br>> >> trimmer<br>> >> then either the contrast will be too light (nothing displayed) or you'll<br>> >> see<br>> >> 'blocks' as the contrast will be too dark. You've probably seen this<br>> >> before<br>> >> in things like personal organisers, graphic calculators etc.<br>> >><br>> >><br>> >> Ross<br>> >><br>> >><br>> >><br>> >> On 23/6/09 20:34, "Brian Hewitt" <brianhewitt1@gmail.com> wrote:<br>> >>><br>> >>> I've done the basic blinking and fading light things on the arduino and<br>> >>> now<br>> >>> I'm trying to control a 16x1 LCD display. I've seen some tutorials on the<br>> >>> web,<br>> >>> and I know that there's an LCD script library that comes with the<br>> >>> development<br>> >>> environment. I have the example (usual "hello world") script and hooked<br>> >>> it up<br>> >>> with all the pins connected correctly, but it's not working (well, the<br>> >>> back<br>> >>> light comes on, but that's it...).<br>> >>><br>> >>> I'm stumped about one of the pins on the LCD I have, which is not<br>> >>> mentioned in<br>> >>> any of the tutorials - the spec sheet calls it Vo: the supply voltage for<br>> >>> driving the LCD (separate from the +5v supply voltage for the logic). The<br>> >>> specs say it takes a variable voltage, but +1v typical. Anyone know<br>> >>> anything<br>> >>> about how or if that should be connected?<br>> >>><br>> >>> Cheers!<br>> >>><br>> >>> Brian<br>> >><br>> >><br>> >><br>> >> _______________________________________________<br>> >> members mailing list<br>> >> members@electronclub.org<br>> >> http://lists.electronclub.org/cgi-bin/mailman/listinfo/members<br>> >><br>> >> Instructions for changing your mailing list settings:<br>> >> http://lists.electronclub.org/emailhowto.html<br>> ><br>> ><br>> > _______________________________________________<br>> > members mailing list<br>> > members@electronclub.org<br>> > http://lists.electronclub.org/cgi-bin/mailman/listinfo/members<br>> ><br>> > Instructions for changing your mailing list settings:<br>> > http://lists.electronclub.org/emailhowto.html<br>> ><br>> <br>> _______________________________________________<br>> members mailing list<br>> members@electronclub.org<br>> http://lists.electronclub.org/cgi-bin/mailman/listinfo/members<br>> <br>> Instructions for changing your mailing list settings:<br>> http://lists.electronclub.org/emailhowto.html<br><br /><hr />Beyond Hotmail - see what else you can do with Windows Live. <a href='http://clk.atdmt.com/UKM/go/134665375/direct/01/' target='_new'>Find out more.</a></body>
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