Search found 3 matches

by notstock78
Thu Mar 06, 2003 12:49 pm
Forum: General Discussion
Topic: amp
Replies: 2
Views: 593

amp

I am working on an alarm system and it is going good untill I got to the amplifying part. I need to know what kind of op amp I need to use to boost my signal form 6 vac to something much louder than that, can any one help me?
by notstock78
Tue Feb 11, 2003 2:36 pm
Forum: General Discussion
Topic: timer circuit
Replies: 2
Views: 664

timer circuit

I am looking for an idea on how to make a timer circit that will shut off a car alarm after about 60 seconds. I am open to any suggestions.
Thank You
by notstock78
Wed Jan 15, 2003 6:05 am
Forum: General Discussion
Topic: car alarm
Replies: 6
Views: 1257

car alarm

I am a student at Northwest Tech and I am trying to build a car alarm for my advanced lab progect. I want to use the idea of a touch lamp so when someone touches the door handle it will trip the alarm. could anyone give me some idea to start from?