Search found 3 matches
- Tue Jul 29, 2003 9:55 pm
- Forum: General Discussion
- Topic: Fake Laser Rifle
- Replies: 5
- Views: 3229
Re: Fake Laser Rifle
Get one of the little key chains that have a button that send a signal that buzzes on the keys (so you can find the keys).<p>You are going to have legal problems with the explosive in a classroom. This isn't 1960. In this day and age all sorts of "class c fireworks" laws have been ennacted...
- Tue Jan 21, 2003 8:02 am
- Forum: General Discussion
- Topic: Heartbeat Signal
- Replies: 3
- Views: 2540
Re: Heartbeat Signal
Thanks for the web page reference. The article was very interesting. I am primarily interested in a single chip that can be used to blink an LED with each heartbeat, rather than an actual EKG.
- Fri Jan 17, 2003 10:19 am
- Forum: General Discussion
- Topic: Heartbeat Signal
- Replies: 3
- Views: 2540
Heartbeat Signal
I am looking for a very simple way to blink a light or make a display every time the human heart beats. I have looked at the OPO7 chip, but do not know of an output device or circuit. I am new to this. Any suggestions?