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  1. Dazza

    Help this newbie

    Hi. Ok I might be right off track on what you're trying to do. What about using a keyboard hack as I have for an arcade machine. And a keyboard splitter that would give you over 100 individual contacts. You may need to amplify the signal from the keyboard if you need a considerable distance...
  2. Dazza

    Television safety (help)

    I have a TV that decides to turn off after about 5 to 20 minutes. I found several components with the soldier lifted from the track. After soldiering them it stayed on for longer, I then found to of the rectifier diodes were blown and another that I cannot identify to replace, it has the...
  3. Dazza

    NEWB HERE!

    Hi I am also new to electronics. There are plenty of good projects on electronic lads project section to get you going. For me I searched for a project that I could use. Something that had a very good description of how it worked. Also it would probably be a good idea to get familiar with...
  4. Dazza

    0-30 Vdc Stabilized Power Supply

    Sorry it was a (TIP 31) not a TIP 37 and I changed R15 to 100 ohms
  5. Dazza

    0-30 Vdc Stabilized Power Supply

    Thanks to everyone for your help. I think I will use the method mentioned of adding turns of wire to the transformer. As I want to incorporate a second power supply I will have to try to find a transformer that I am able to add the wire to as my existing one won't allow me to. As for the Q2...
  6. Dazza

    0-30 Vdc Stabilized Power Supply

    Model PM128A Maximum Input: 199.9mV DC Maximum Display: 1999 Counts (3.5 digits) with auto polarity indicator Display Type: LCD Conversion Type: Dual-Slope Integrated A/D Overrange Indication:
  7. Dazza

    0-30 Vdc Stabilized Power Supply

    Thanks for your reply. I used one transformer a + voltage regulator, rectifier bridge and two capacitors. that is the only way I know how to supply the 9v. I then tried another separate voltage regulator set up, on the same transformer. The voltage panel meter still went haywire. I have...
  8. Dazza

    0-30 Vdc Stabilized Power Supply

    Thanks for your reply. The panel meters work very well. I would just prefer to make it more compact, and I want to incorporate a previous project I made from electronic lads(3-30 V/2.5 A Stabilized power supply). this is probably going to be one of my most used piece of equipment. So I would...
  9. Dazza

    0-30 Vdc Stabilized Power Supply

    Hi all. I am new to electronics and I have built this power supply. Everything worked great except for the panel meters, it seems I'm not the only one. I tried everything I could think of which wasn't much. ended up adding to extra transformers, so at least now I have A power supply that I...
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