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  1. Robertc65

    Video Distribution Amplifier

    Hello. I am wanting to build a video distribution amplifier so that I can send the composite video signal from a single Camera to multiple TVs or devices. Radio shack has their video amplifier for $50 bucks or so but I need one for each of my 8 cameras and that will get to expensive. I...
  2. Robertc65

    Controlling a Relay via an LED Circuit

    I am always looking to automate things in my house and often times it would be helpful to be able to control a relay based on the status of an LED. For example I just purchased a wireless driveway automobile monitor and I would like to tie it into my homeautomation system. It has an LED that...
  3. Robertc65

    How to Modify an X-10 WS467 Wall Switch

    I have a bunch of X-10 ws467 wall switches laying around that I would like to modify so that they can drive a relay. They are designed to drive a 60 watt incandesent light with the use of a triac. The triac won't drive motors and non incandesent light which is why I want to use a relay. Has...
  4. Robertc65

    I want to turn off all my phone ringers.

    Is there a way to convert a telephone ring signal into something I can pump into my intercom system AUX line input? I want to turn off all my phone ringers and just have a very pleasant sound come from the intercom speaker in each room when the phone rings. Ultimatly I want it to announce who is...
  5. Robertc65

    Perimeter sensor

    I posted a while back asking if anyone had heard of using leaky coax cable and associated circuitry for use as a perimeter sensor. I just wanted to throw it out once more. Thanks Rob
  6. Robertc65

    Outdoor Light Status Indicator

    I want to mount an LED or some sort of  Lamp on each of my switch plates that control outdoor lights so that I can tell if they are on or not without having to look out the windows. If all of my lights used a single 2way switch this would be easy but all use 3way switches. On te switch which...
  7. Robertc65

    Leaky Coax Perimeter Sensor

    Has anyone ever tried to make a DIY Leaky Coaxial Perimeter Detection System. I would like to be able to detect if anyone crossed the perimeter of my property in or out. I have about an acre and figure it's a great way to know if my kids left the yard or someone came in. The systems I found...
  8. Robertc65

    Reduce output Voltage of Power Supply

    I have a bunch of old Compaq Laptop power supplies that output 18.5V at 2.7 Amps. I would like to be able to use these power supplies to power items that require a lower voltage. For example I have a small camera that requires 12Volts @ 200ma. Is there a simple way to (maybe a resistor across...
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