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    L7805CV 5V Voltage Regulator 1.5A

    I seem to be having some problems with hooking up the L7805CV Regulator. When i provide it 12v @2A i seem to be getting an output value of 10.xxV??? What could i be doing incorrectly? Does it matter that the power supply is 2A and the Regulator is 1.5A? Schematic...
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    DIY POE 8 port switch

    Hey all i am trying to modify a Netgear GS108 8-Port gigabit switch with POE on 4 of the ports. Problem is that when i go to test to find out what pins 4/5 and 7/8 are in order to place the positive and negative terminals too, it shows continuity on every pin of echo of the 8! So in other...
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    Running 175ft of cat5 solid cable with 12v/5v at the end

    Hey all i am just wondering what type of DC voltage i would need to start out with in order to get 12v at the end of a 175ft run over cat5 solid cable? This is to be hooked up using the standard power over ethernet (PoE). I'm just not sure what i need to start out with in order to have a...
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    Using a transistor as a relay

    Is there anyway i can use a transistor in place of a relay in order to turn on the power switch to my PC? Any help would be great! David
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    60 LCD (color) screens displaying QTY and LED via microcontroller

    Hey all I am looking into building a project for my company that would better help them lower the errors of workers when choosing parts. What I need to accomplish is a way to have a small LCD screen (which I would like color so it would show up when on) on each part (60 parts) and depending...
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    Limit switch for actuator help

    Hey all i have bought a actuator from firgelli auto and i need to add a limit switch for the down part. That is a drawing from the company's website about how to hook up the limit switch. Now i have 2 problems with this drawing: 1) It does not tell me what type of switch to get 2)...
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    Powercell/myGrid charging Android 7" Tablet

    I am looking at the idea of installing a reciever on an Android tablet so that i can lay it down in order to charge it up I am looking at this tablet here http://www.euogo.com/new-g10-haipad-m701-android-23-tablet-with-7-inch-multi-touch-screen-accelerometer-camera_p384.html According to...
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    Charging a Lithium Battery via USB

    Hey everyone, i am looking into a project that i want to be able to charge a Seiko MS621FE-FL11E lithium coin 3.1v battery. I will be using the 5v from the USB and convert it to 3.3v using the LM3940. However, i am not sure what all i need between the 3.3v and the battery itself. Is there...
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