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  1. Arouse1973

    Hey, have you seen one of these?

    PRECISION WHEATSTONE BRIDGE :) Adam
  2. Arouse1973

    Playing a car audio system at home.

    I had a science kit :(
  3. Arouse1973

    Bright LED Recommendations

    Try CREE LEDs they have some bright ones. Adam
  4. Arouse1973

    Power amp fan trouble

    Well done Martin, as helpful as always. Adam
  5. Arouse1973

    Bright LED Recommendations

    I prefer black visors personally. Adam
  6. Arouse1973

    State of Charge LED indicator

    All very nice and all that, but it would be nice to know what the images are, and oh what about the circuit diagram? Adam
  7. Arouse1973

    State of Charge LED indicator

    Yep it depends on what software package you use. I tend to use Q or TR for transistors and U or IC for integrated circuits. U is denoted for "inseparable assemblies" items that are, well just that. Q came from a German name for a property of the transistor I believe and not the shape of the...
  8. Arouse1973

    Automotive Switch Panel

    This looks interesting, looks like you can customise it for what you want. You may also be able to get a can-bus interface for controlling your lights and other things. This will reduce your wiring also. Adam http://www.audon.co.uk/cuboc_hmi/itl740.html
  9. Arouse1973

    State of Charge LED indicator

    Yep five LEDs and 5 transistors, I would go along with that. Adam
  10. Arouse1973

    Trigger Pulse for IC555 using Inverted Square Pulse

    Traitor, I trusted you :)
  11. Arouse1973

    Trigger Pulse for IC555 using Inverted Square Pulse

    He is another variation that should work, if your interested.R1 controls the pulse duration and is approx. 3 seconds at the moment. V2 is the pulse from the sensor. Adam
  12. Arouse1973

    Trigger Pulse for IC555 using Inverted Square Pulse

    LOL, no we can't have that. Just thought I would check :) Adam
  13. Arouse1973

    How to boost Ardrino Output

    What do you want to boost it to. I assume you mean increase the current available when the outputs switch so you can drive higher power loads? Adam
  14. Arouse1973

    Trigger Pulse for IC555 using Inverted Square Pulse

    In the rest state, i.e sensor output low won't FET B be high? Is this correct and is this ok? Adam
  15. Arouse1973

    Potting/encapsulating material

    Well I have never seen such a mess. It could be some kind of thick conformal coating?
  16. Arouse1973

    Trigger Pulse for IC555 using Inverted Square Pulse

    Oh dear, I am keeping quiet for once.
  17. Arouse1973

    Potting/encapsulating material

    uhhh looks nice. I think it looks like hardened wax or something like that. See what the other guys think. Adam
  18. Arouse1973

    5 Ways to Harness Free Energy

    Tap into your neighbours house wiring :) Works for me!
  19. Arouse1973

    np=ni^2 in doped semiconductors

    This is my take on what you have said. I think you got everything pretty much correct, apart from the ni bit. Remember the ni constant is for intrinsic semiconductor material, this is what the (I) is. It is independent of doping levels. So you can't use it for anything else. Without getting...
  20. Arouse1973

    Trigger Pulse for IC555 using Inverted Square Pulse

    You could use ak's design he did for you once it's been modified. I could do it but it would be rude of me to do so. Lets wait and see what he thinks. Adam
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