Search found 5 matches

by yesiamwds
Tue Aug 02, 2005 5:53 pm
Forum: General Discussion
Topic: Auto Trouble Code Reader Circuit
Replies: 10
Views: 2769

Re: Auto Trouble Code Reader Circuit

How about a little PIC processor with an input counting pulses and then spitting out a trouble in real words on a little 16x2 LCD. May be a lot of work just to find out it's time to change the spark plugs.
by yesiamwds
Sun Jul 24, 2005 12:56 pm
Forum: General Discussion
Topic: 2 wire foto cell question
Replies: 17
Views: 3324

Re: 2 wire foto cell question

I like one of the original ideas, use a relay. The coil has a threshold on/off voltage that might serve the purpose.<p>WS<p>[ July 24, 2005: Message edited by: yesiam ]</p>
by yesiamwds
Sun Jul 24, 2005 12:44 pm
Forum: General Discussion
Topic: Flourescent bulbs
Replies: 38
Views: 9588

Re: Flourescent bulbs

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Chris Smith:<p>My Tesla coil would light a Twin Forty at over eight feet away. <p>About 200,000 plus volts, and when It landed on me one day after falling over, I thought fleas had invaded me. <p>N...
by yesiamwds
Sun Jul 24, 2005 12:27 pm
Forum: General Discussion
Topic: Is there a good digital designer out there
Replies: 22
Views: 4186

Re: Is there a good digital designer out there

Kind of reminds me of trying to figure out whether 32 deg F. is melting or freezing. I personally like the logic that hovers in the 2.5vdc area of a 5vdc digital system.<p>WS (used to be from Rolla, Mo....now in NYC)
by yesiamwds
Sat Jul 23, 2005 9:38 pm
Forum: General Discussion
Topic: Hall Effect Current Measuring Devices
Replies: 6
Views: 1317

Re: Hall Effect Current Measuring Devices

Allegro Microsystems has an interesting 5-pin hall-effect chip that can handle up to 50A AC/DC with a proportional output operating at 5Vdc.<p>WS