Search found 31 matches

by ad5mb
Fri Feb 18, 2005 1:36 pm
Forum: Robotics
Topic: motion sensor
Replies: 5
Views: 3381

Re: motion sensor

What, this?<p> http://www.ee.washington.edu/conselec/Sp96/projects/mitchrob/proposal/proposal.htm <p>Commercial solution, good for 165 feet:<p> http://www.smarthome.com/7460.html <p>Google<p>"Infrared motion detector"<p>"Burglar alarm sensor"<p>My preferred anti-cat ( I have a convertible ): Butch. ...
by ad5mb
Sun Dec 19, 2004 10:22 am
Forum: General Discussion
Topic: VHS or hi8 recorder..
Replies: 13
Views: 2951

Re: VHS or hi8 recorder..

What, these?<p> http://www.supercircuits.com/STORE/products.asp?dept=16 <p> http://www.polarisusa.com/cgi-bin/view_product_detail.pl?listing_category_id=&product_category_id=11&template_id=186 <p> http://www.polarisusa.com/cgi-bin/view_product_detail.pl?listing_category_id=&product_category_id=11&te...
by ad5mb
Sat Dec 11, 2004 8:04 am
Forum: General Discussion
Topic: What's everyone working on?
Replies: 52
Views: 19091

Re: What's everyone working on?

I'm making an intelligent video switcher. Burglar alarm passive IR sensors signal an OOPIC which selects the camera pointed at the zone monitored by that sensor. So it follows an intruder around the property.<p>Gerty - we do something like this where I work. We glue aluminum foil on both sides of a ...
by ad5mb
Thu Dec 09, 2004 1:51 pm
Forum: General Discussion
Topic: What does everyone do?
Replies: 31
Views: 6127

Re: What does everyone do?

Electronic Technician at a high explosive testing site.<p>Big fun. The Air Force drops bombs on my work site. 20 tons of ANFO is a routine shot. I drive heavy equipment, talk on radios, start fires, blow things up. ( Almost ) All the stuff I got in trouble for as a kid, I get paid for now.
by ad5mb
Mon Nov 22, 2004 8:42 am
Forum: General Discussion
Topic: Video Card
Replies: 6
Views: 1977

Re: Video Card

ATI TV Wonder accepts S Video, Composite, tuner.<p>I use mine with Gotchanow: <p>http://www.gotchanow.com<p>Works as advertised, but does not detect motion everywhere, just in an oval zone towards the bottom center of the screen
by ad5mb
Sun Nov 21, 2004 7:54 am
Forum: Robotics
Topic: underwater ROV
Replies: 8
Views: 5855

Re: underwater ROV

Try a truck stop. Some air horns are solenoid controlled. I think J.C. Whitney sells them in their print catalog.
by ad5mb
Sun Nov 21, 2004 7:47 am
Forum: General Discussion
Topic: TV video input
Replies: 11
Views: 2326

Re: TV video input

Everybody and their dog is selling a little BW set for $20. Video and one audio input. <p>Chiefs Auto, Oshmans, everywhere.<p>Here's one on eBay, Big time $13:<p> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=11074&item=5732668089& rd=1&ssPageName=WDVW <p>For ham radio folks: Tune it just b...
by ad5mb
Sun Nov 21, 2004 7:40 am
Forum: General Discussion
Topic: Video Card
Replies: 6
Views: 1977

Re: Video Card

$20 OK?<p>http://www.tigerdirect.com/applications ... u=A46-4028<p>Google PCI VIDEO CAPTURE
by ad5mb
Sun Nov 21, 2004 7:13 am
Forum: General Discussion
Topic: FM Yagi Antenna Plans 88-100 Mhz
Replies: 6
Views: 1434

Re: FM Yagi Antenna Plans 88-100 Mhz

Your public library probably has many copies of the ARRL handbook, other ham books.<p>Check out the links in my Backflip:
( that will make more sense when you get there )<p>http://www.backflip.com/members/kd5kfl/11979292/sort=0/
by ad5mb
Tue Nov 16, 2004 4:00 pm
Forum: General Discussion
Topic: lead acid battery theory question
Replies: 5
Views: 1292

Re: lead acid battery theory question

You nailed it. When Lead sulphate is exposed to oxygen it hardens. The hardened lead sulphate shields the plate underneath, you have less surface area, the battery capacity diminishes.<p>This is why you want to recharge a battery ASAP when it gets run down.<p>Here's a post by a guy who knows a lot o...
by ad5mb
Fri Sep 10, 2004 8:19 am
Forum: General Discussion
Topic: AV video camera input
Replies: 11
Views: 2105

Re: AV video camera input

http://www.supercircuits.com/store/prod ... 3&mitem=21<p>I eliminated the flaky connector, soldered the wires directly to the board<p>[ September 10, 2004: Message edited by: ad5mb ]</p>
by ad5mb
Fri Jul 30, 2004 8:59 am
Forum: Robotics
Topic: Seeking sensor designs
Replies: 6
Views: 3038

Re: Seeking sensor designs

I Can't quite get a fix on what you're doing. The target is passive and fixed, the sensors are active and mobile? The target is confined within a certain area, the sensors can range freely throughout this area?<p>If this is the case, you need to measure the delay from each sensor, and the bearing to...
by ad5mb
Wed Feb 18, 2004 1:03 pm
Forum: General Discussion
Topic: Internet Bandwidth
Replies: 19
Views: 2925

Re: Internet Bandwidth

"Far too many people, the non-specialist press, the uninformed public, and, lamentably, people in the industry who should know better, use words that they don't understand because they think it smart. And once they get an idea into their head it's usually impossible to change it."<p>Exactly. Look wh...