Hello Guys I've been looking around and trying to learn something about sensing wind speed. Apart from anemometers with three cups it appears that my options...
Chris
cholme@...
Oct 3, 2005 12:15 pm
722
... I've done the anemometer type thingy, and you're not limited to three cups... Four is just as workable, and slightly easier to make (90 degree angles being...
Hot wire resistance/current flow, air pressure through a venturi, windmill. You could have a calibrated mercury drip and a fine wire grid detecting how far the...
Thanks fellows, I am most interested in the linear thing Dave mentioned concerning thermal gradients. Being in possession of nifty things like difference...
Chris
cholme@...
Oct 3, 2005 1:36 pm
725
Another way which I don't think anyones mentioned, is using differential pressure sensors and a venturie . 2 or 3 sensors could be used to extend the range. ...
Air pressure is another thing of interest to me at the moment. Does anyone know of a cheap sensor? Regards Chris Holme ... From: mugwa@yahoogroups.com...
Chris
cholme@...
Oct 3, 2005 10:26 pm
727
If you're in a hurry try RS components, if you want a better deal and are willing to wait a week or so, Mouser electronics in the USA is the place to try. ...
cheers Regards Chris Holme ... From: mugwa@yahoogroups.com [mailto:mugwa@yahoogroups.com] On Behalf Of ron.casotti@... Sent: Tuesday, 4 October 2005 9:36...
Chris
cholme@...
Oct 4, 2005 8:08 am
729
... DIY's are also possible for (static) pressure, but I think they can be a bit trickier, for two reasons... Linearity and, if you're doing barometric...
Hello all. I have been playing around with battery operated sensors just lately. The circuit involves a pic18f1320, 2 lm35s,a reset circuit, a 3V reg for ...
Chris
cholme@...
Oct 11, 2005 3:50 pm
732
Reminder from the Calendar of mugwa http://groups.yahoo.com/group/mugwa/cal Monthly MUGWA meeting Tuesday October 18, 2005 7:30 pm - 12:30 am (This event...
Yahoo! Reminder
reminders@...
Oct 16, 2005 11:25 am
733
Hi all, I'm looking for a wizard PC to borrow for a couple of weeks (wait a minute - didn't he just sell one? - yes i did and just one week later I was ...
Sending again - having problems with my email :-) I'll take you up on the offer and buy it back :-) Let me know your details so I can arrange pickup. Regards,...
Hi All, If anyone wants to buy a wizard PC I have a spare one for sale. Comes with 32MB memory and a 5G hard disk. "Biscuit PC" / Wizard B2B2C Basically this...
Reminder from the Calendar of mugwa http://groups.yahoo.com/group/mugwa/cal Monthly MUGWA meeting Tuesday November 15, 2005 7:30 pm - 12:30 am (This event...
Yahoo! Reminder
reminders@...
Nov 13, 2005 11:25 am
740
Reminder from the Calendar of mugwa http://groups.yahoo.com/group/mugwa/cal Monthly MUGWA meeting Tuesday December 20, 2005 7:30 pm - 12:30 am (This event...
Yahoo! Reminder
reminders@...
Dec 18, 2005 11:25 am
741
Hello Andrew Could you give me a call on 0403 878 175 sometime please. Regards Chris Holme...
Chris
cholme@...
Jan 13, 2006 8:34 am
742
Hello Peoples Mike at world wide has some second hand 7 AHr SLA batteries for a fiver each. These things have come from alarm systems and are one year old. I ...
Chris
cholme@...
Jan 14, 2006 5:32 am
743
Reminder from the Calendar of mugwa http://groups.yahoo.com/group/mugwa/cal Monthly MUGWA meeting Tuesday January 17, 2006 7:30 pm - 12:30 am (This event...
Yahoo! Reminder
reminders@...
Jan 15, 2006 11:25 am
744
Reminder from the Calendar of mugwa http://groups.yahoo.com/group/mugwa/cal Monthly MUGWA meeting Tuesday February 21, 2006 7:30 pm - 12:30 am (This event...
Yahoo! Reminder
reminders@...
Feb 19, 2006 11:26 am
745
Reminder from the Calendar of mugwa http://groups.yahoo.com/group/mugwa/cal Monthly MUGWA meeting Tuesday March 21, 2006 7:30 pm - 12:30 am (This event repeats...
Yahoo! Reminder
reminders@...
Mar 19, 2006 11:26 am
746
I was thinking of turning up, it as been a while. Anything been happening, many others going to be there? cya, Andrew......
... I might be tempted to. I have an old C64 SID (sound chip) hooked up to an AT90S8535 with LCD and rotary encoder. Its ugly, but its working. :) adrian...
Adrian Chadd
adrian@...
Mar 19, 2006 1:39 pm
748
Sounds fun, I'm experimenting with gps programming at the moment, part of my new research job. Regards Chris Holme ... From: mugwa@yahoogroups.com...
Chris Holme
cholme@...
Mar 19, 2006 8:29 pm
749
Well, since someone else is definitely going, then I will too. Done some interesting things and got some nice new toys since I seen ya awl. :-) Regards Chris...
Chris Holme
cholme@...
Mar 19, 2006 8:29 pm
750
Hi Andrew, No, its been very quiet. Mainly members of the WACEG. Steve John Ian and myself. Ron... _____ From: mugwa@yahoogroups.com...
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