Search found 7 matches

by Riptide
Fri Jul 25, 2003 5:02 pm
Forum: General Discussion
Topic: Fake Laser Rifle
Replies: 5
Views: 1327

Re: Fake Laser Rifle

Hi Dave, Why not try this:<p> http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F002%5F001%5F001%5F000&product%5Fid=980%2D0201 <p>This would be a quick and simple solution for you since you are a chemist and might not want to take the time to learn to build your own cir...
by Riptide
Sat Jul 12, 2003 6:43 am
Forum: General Discussion
Topic: Optocouplers @ Audio Freqs ?
Replies: 13
Views: 3376

Re: Optocouplers @ Audio Freqs ?

BTW,an audio isolation tfmr was the very first thing I tried,both on input and output of the GLI and without the RS GLI. As far as turning up the volume,the thing with that is the high freqs are attenuated noticably.<p>I didn't think about a preamp though.<p>As to the "all this discussion",I think m...
by Riptide
Fri Jul 11, 2003 4:38 pm
Forum: General Discussion
Topic: Optocouplers @ Audio Freqs ?
Replies: 13
Views: 3376

Re: Optocouplers @ Audio Freqs ?

Yeah Chris,I did that already and used the Y on the output side of the GLI and it decreased the volume of the vehicle radio a noticeable amount.<p>I also tried coupling the transmitter inputs to this with various values of capacitors,but that affects the sound quality of the vehicle radio and the tr...
by Riptide
Fri Jul 11, 2003 3:04 pm
Forum: General Discussion
Topic: Optocouplers @ Audio Freqs ?
Replies: 13
Views: 3376

Re: Optocouplers @ Audio Freqs ?

Thanks for the replies. OK,here's what I'm trying to accomplish: An XM sat.radio is mounted in my vehicle and the line level outputs are fed into a FM modulator which feeds the main sound system.<p>I want to use the XM sat line outs to also feed my low power FM transmitter so as to be able to reciev...
by Riptide
Fri Jul 11, 2003 12:13 pm
Forum: General Discussion
Topic: Optocouplers @ Audio Freqs ?
Replies: 13
Views: 3376

Optocouplers @ Audio Freqs ?

Hi,
Does anyone know if an optocoupler can be used for audio line level? Or of a circuit that would allow this?
Thanks,
RT
by Riptide
Fri Jul 11, 2003 6:15 am
Forum: General Discussion
Topic: RF remote signaling
Replies: 9
Views: 2765

Re: RF remote signaling

The walkie talkie is a good idea and RS has one that has a orange button on the side that will transmit a tone when pressed, eliminating some tone generating circuit.Simply short the contacts then hook up as Dean said.<p>I think Ramsey still sells the 567 tone kits that would make this project very ...
by Riptide
Sat Jul 05, 2003 7:54 am
Forum: General Discussion
Topic: InfraRed to Radio Waves
Replies: 13
Views: 2449

Re: InfraRed to Radio Waves

Hi, Denny wrote: "I just came accross this and thought it might be a better solution. Less than $30 and complete. http://www.allelectronics.com/cgi-bin/category.cgi?category=search&item=RFM-1&type=store" <p>Can the RF dauhgter card (assuming it has one)be removed from this remote and used in another...