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  1. Amps

    Remote Controlled on/off, reset and eject for computer

    Lol, it's not that it's too complicated, it's just I like having my final system to be smooth and not hacked. I was thinking more along the line of a premade transmitter that I could build a receiver around.
  2. Amps

    Remote Controlled on/off, reset and eject for computer

    Seems that each I look at has a safety switch somewhere in it to prevent the car from starting if brake/clutch isn't depressed. Anyone know of something else a little less complicated?
  3. Amps

    Remote Controlled on/off, reset and eject for computer

    Ya, sounds good. I'll look into it and see if I can make it work.
  4. Amps

    Remote Controlled on/off, reset and eject for computer

    I am completely new to the world of remote control and though I've spent 2 hours checking the net, I haven't found anything to fit my application. I'm working on desigining a Hot-Rod style computer case and one of the features I want is everything to be shaved and filled flush, including the...
  5. Amps

    4N25 Schematic check

    Ok, thats something I'll consider but I'll have to do more research. The motors in the circuit are just place holders for computer fans (circuitmaker didn't have a fan). I'm pretty sure that most computer fans have protection against that sort of thing otherwise everytime I switched on one of my...
  6. Amps

    4N25 Schematic check

    Oops, thats a small error on my part, I meant to put 5v relays in, just mis-clicked. Typical ambient temperature in my case will be about 15-20 degrees celcius. The way I have the resistance set up, that means that the controller will put out about 4.5-5v. These fans spin up at around 3.5v and...
  7. Amps

    4N25 Schematic check

    Ok, here's the revised circuit. The circuit will be controlled by a regular switch so current limitations shouldn't be an issue. Thanks for all the help MP ;D
  8. Amps

    4N25 Schematic check

    Thanks a lot MP. I've considered all the options and I think that for the sake of simplicity, I'm going to go with 2 DT Relays connected to a DPST switch. Here's an image of the schematic I've figured out. The only thing different from the final schematic is the variable resistor to the LM317...
  9. Amps

    4N25 Schematic check

    Well see, I'm not just switching from 12v to 8v. Lemme see if this helps: Switch Position 1: -Intake Fan powered by a temperature control circuit. Approximately 6-10 volts varrying between 25-40 degrees celcius will be applied to the intake. The 8v in the schematic was just a place holder so...
  10. Amps

    4N25 Schematic check

    Well see, thats why I had to come here to ask. I can't make sense of anything on the datasheet as far as limits goes. I'm just not into the lingo :( The fans will probably be drawing no more then 1.5 amps total (the exhaust will be 2 high cfm fans) and I'm really not sure if that will burn up...
  11. Amps

    4N25 Schematic check

    Both fans will be designed to run at 12volts but the intake fan will be scaled down when the switch is in the first position to run close to 8volts.
  12. Amps

    4N25 Schematic check

    Hey guys. I plan on controlling 2 fans, 1 Intake and 1 exhaust, for cooling in a computer case. I want to have one DPST switch that when in one position will cause an 8v (eventually a temperature controlled circuit instead) to power only the Intake fan and when in the second position, both fans...
  13. Amps

    Push button controlled Potentiometer? How?

    Thats great guys. One question though: What is the resistance range on the DS1669? I can't seem to find it on the data sheet. <EDIT> Nevermind guys, was looking at the wrong datasheet. Looks like I can get it in a nice 10k flavour </EDIT>
  14. Amps

    Push button controlled Potentiometer? How?

    Hey guys! I've spent 3 hours researching different DPPs (digitally programable potentiometers) but everything I find seems too overkill for what I need. Here's my cicuit idea: The CPU cooling fan in my computer operates from 3000-7000RPM using a small pot wired into a simple LM317 circuit...
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