Search found 5 matches

by chris_elrod
Sun Dec 07, 2003 9:11 pm
Forum: General Discussion
Topic: xmas light switching? Help!
Replies: 6
Views: 1594

Re: xmas light switching? Help!

You want a cheap way to make them flash in order or even different flash patterns. Go buy a $10 set of lights at Wal-Mart with the selector. These strands usually have 4 circuits and anywhere from 6 to 15 different flash patterns. You cut off the wires coming out of the box and you will have at leas...
by chris_elrod
Sun Dec 07, 2003 8:59 pm
Forum: General Discussion
Topic: Joystick controller
Replies: 7
Views: 1588

Re: Joystick controller

All of these replies have been great but i have a few suggestions. One is do some research on industrial stepper drivers. I design industrial control systems and there are a few controllers that will move one step when they seeone pulse come in, this could be a relay contact closure. Then they also ...
by chris_elrod
Sun Dec 07, 2003 8:37 pm
Forum: General Discussion
Topic: power supply hangup
Replies: 6
Views: 1675

Re: power supply hangup

Im sure you are aware of how a VR works! It tries to balance a voltage ratio between the output and the reference pins. Check to see that your circuit doesnt have a possiblity for high resistance between these two pins at startup, possibly through a transistor or another device or like the other guy...
by chris_elrod
Sun Dec 07, 2003 8:31 pm
Forum: General Discussion
Topic: Home Stereo Line Output Converter / HELP QUICK!
Replies: 1
Views: 772

Home Stereo Line Output Converter / HELP QUICK!

Ive got a DVD home theatre system that pushes out about 125 watts per channel. I want to build a line level converter to knock that 100-150 watts down to an RCA pre-amp level to input into, say for example another reciever. I have found a few units for car audio but most of them are 30 watts max on ...
by chris_elrod
Sun Oct 19, 2003 12:01 am
Forum: General Discussion
Topic: Midi Christmas Train / Pic Controllers
Replies: 3
Views: 1091

Midi Christmas Train / Pic Controllers

I am building a midi christmas train for the college I work for. It was featured in the Nov. 2002 issue of N & V. I have become ever increasingly interested in using midi and pic controllers to do other projects that I have in mind. I have talked with the guy who wrote the program for the pic to do ...