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Re: newbie question - jeoperdy game circuit

>I am working on some project that works like the Jeopardy Game. What happens >is, there are three teams, with buttons...
1 comments posted 22yrs
posted by hmurray
1 comments posted 22yrs posted by hmurray

Mysterious humidity sensor (difficult)

Hi, I have got humidity sensor (probably from device made by Simens). Its resistance in 96%RH dramatically rises from a...
1 comments posted 22yrs
posted by adamjezierski
1 comments posted 22yrs posted by adamjezierski

BPL: Not Recommended

http://www.arrl.org/news/stories/2003/10/23/1/?nc=1 As far as I would go with high speed data over power would be just...
1 comments posted 22yrs
posted by alondra101
1 comments posted 22yrs posted by alondra101

PID Control Primer, $17. Companion Software $11

PID Control Primer, $17. Companion Software $11 For a booklet on PID control without the math refer to web page http://...
0 comments posted 22yrs
posted by dwstclair
0 comments posted 22yrs posted by dwstclair

Panasonic NV-SD420 Service Manual

I would me most gratefull if anybody can help me with a service manual for a Panasonic NV-SD420 video recorder. Any idea...
3 comments posted 22yrs
posted by bluebel
3 comments posted 22yrs posted by bluebel

The 555 Has Been Around at Least 30 Years

I was thumbing thru some old data sheets from Intersil, and I noticed that in the corner of the 555 data sheet, it daid...
56 comments posted 22yrs
posted by alondra101
56 comments posted 22yrs posted by alondra101

What's With These Holographic UL stickers?

Gee, you'd think that these UL stickers that are on electrical items like plug switches are the latest and greatest mic...
53 comments posted 22yrs
posted by alondra101
53 comments posted 22yrs posted by alondra101

GPS receiver

Has anybody here looked into making their own GPS reciever ? I am thinking of designing one to go into my model rocket,...
3 comments posted 22yrs
posted by danmessenga
3 comments posted 22yrs posted by danmessenga

want to source special coaxial cable

I'd like to source out coaxial cable that also includes 3-6 additional 24 AWG wire with an outer shield to carry rs232 s...
2 comments posted 22yrs
posted by ecrowder1
2 comments posted 22yrs posted by ecrowder1

OOPic to PC transfers

I'm trying to send or access a variable's value from the OOPic II+ with a PC through the parallel port and I2C network....
0 comments posted 22yrs
posted by stvetown
0 comments posted 22yrs posted by stvetown

Pin-Outs...

Can someone tell me where I can find the Pin-Outs for a New Media 28.8 PCMCIA NetSurfer Modem? I need to construct a new...
0 comments posted 22yrs
posted by dveb
0 comments posted 22yrs posted by dveb

IC demodulator

Hi, I'm looking for an IC that holds a demodulating circuit plus band-pass filters or whatever needed to accomplish the...
1 comments posted 22yrs
posted by sf
1 comments posted 22yrs posted by sf

LEDs Series-Parallel OK?

Connecting LEDs in series-parallel like the ASCII schem below is okay? I don't see any reason why it shouldn't work. If...
22 comments posted 22yrs
posted by alondra101
22 comments posted 22yrs posted by alondra101