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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by catboy

  1. C

    voltage modification... newbie question, please help!...

    I will check this out tonight and get back to you guys in the morning. So the information I need to get is... What is the signal (variable voltage or frequency) What is the required value to use as a switching point (either V or Hz) ...also... Current of signal? Voltage of signal...
  2. C

    voltage modification... newbie question, please help!...

    Weird really; just works like a lock to prevent you opening the cover when its running, you can start it with the cover open and use it at any speed... I dont want to modify it too much and would like the ability to slow it down, open the cover, and re-close, so want to make this kind of mod...
  3. C

    voltage modification... newbie question, please help!...

    1) i can check this, but I have been told its a variable voltage; I dont know for sure, I havent had time to check this yet... 2) thats why I posted my initial post as vague as possible... Im not asking anyone to make this mod for me, and obviously I wont be holding anyone responsible for...
  4. C

    voltage modification... newbie question, please help!...

    the output should be the same as the input from 3v upwards, just basically want an output value of zero upto that point... I have a lathe which has a relay to energize a coil on the cover into the locked position. This is a safety feature that prevents you operating the lathe with the cover...
  5. C

    voltage modification... newbie question, please help!...

    Hi, firstly sorry if this is a really simple question, but I have no idea about electrics or electronics... Im a mechanical engineer by trade (sorry! ) :oops: Anyway, I have a voltage signal which varies depending on speed output of a motor, and need a way to alter this voltage. Its 0-12v...

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