Search found 125 matches
- Fri Feb 14, 2003 7:18 am
- Forum: General Discussion
- Topic: Morse Code w/ PIC1684F84A
- Replies: 2
- Views: 1652
Morse Code w/ PIC1684F84A
Morse w/ PIC16F84A <p>Last night I “wrote” (copied and modified from “Easy PIC’n for Beginners”) a routine for my PIC. It didn’t work. I am trying to blink out a simple two word Morse code signal on an LED. I need to vary the on and off time for dits and das and pauses. The problem is the Delay subr...
- Tue Jan 21, 2003 11:07 am
- Forum: General Discussion
- Topic: Computer Clock
- Replies: 4
- Views: 2205
Computer Clock
I pulled a small clock off of an old computer my 9 year old son found in a garbage pile.<p>The clock is about 1/4" wide by 1/2" long, bright metal case and has has 4 pins. It is marked: TXC 60.000MHZ 850NC 9435.<p>Is there any way I can interact with this component? I would like to get som...
- Wed Dec 11, 2002 8:38 am
- Forum: General Discussion
- Topic: polygraph and cardiograph to A/D
- Replies: 4
- Views: 2242
Re: polygraph and cardiograph to A/D
<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Chris Smith: Long Coils of fine copper wire wound like a transformer over ferrite cores, and a clean op amp with gain of 100 or so should be able to read brain waves fairly well...
- Tue Dec 10, 2002 3:35 pm
- Forum: General Discussion
- Topic: polygraph and cardiograph to A/D
- Replies: 4
- Views: 2242
polygraph and cardiograph to A/D
I use the DRDAQ A/D converter with PC oscilloscope software to graph voltage traces etc on my PC. I would like to graph heartbeat and brain waves. Does anyone no a way to get brain waves and or heart beats into an electrical signal that I can plug into my DRDAQ?
- Tue Oct 29, 2002 1:37 pm
- Forum: General Discussion
- Topic: Computer Control
- Replies: 5
- Views: 4422
Computer Control
I need to control (turn off and on ) a set of 6 or so relays with my 386 computer. Is there an inexpensive package (software,controller, and relays) available to do this?