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  1. Martaine2005

    Power suppy dilemma

    Well, what LEDs are they? Got a link to them?. Are they 5V 2.1A each??. Or is amp draw total of four?. Wiring in series, the voltage required is higher. in parallel, the current is higher. So you’ll need 20V for four in series!. Two in series and parallel them, then 10V is required. But without...
  2. Martaine2005

    Helloo, I’m looking for a user manual for a Digitech AM4204 8 Chanel mixing desk! Plz help because I can not find one for the life of me

    They turn CW and CCW ;)
  3. Martaine2005

    Power suppy dilemma

    What LEDs are they? They are surely COB or LED board?. But, whatever the wiring system used, the voltage and amperage is what it is and you’ll need a power supply suitable for the project. Martin
  4. Martaine2005

    Where to begin

    Do you have any electronics experience?. It amazes me that people believe a small item must be easier to fix. Do you have any electrical experience at all?. Martin
  5. Martaine2005

    Oscilloscope and AC home line noises

  6. Martaine2005

    Helloo, I’m looking for a user manual for a Digitech AM4204 8 Chanel mixing desk! Plz help because I can not find one for the life of me

    Hi, what part of the mixer don’t you understand?. They are all very similar. I can most probably help with any questions you have about it’s features and functions. Martin
  7. Martaine2005

    Modding a lamp

    Yeah! But he’ll be illuminating an LED, not sucking the wire!
  8. Martaine2005

    Mains quick testers.

    I probably didn’t explain myself. I don’t need to create a fault condition, just test and inspect ready for hire. I use Martindale, Robin and Fluke mains testers along with multimeters. But building site (110V) transformers and petrol generators throw a fault. Obviously, one being isolated...
  9. Martaine2005

    Mains quick testers.

    Hi guys/gals, I recently started a new job testing hire tools. 110V and 240v. In my past, I used Martindale socket testers etc. But they obviously throw a fault condition on generators and yellow brick step down/ up transformers. I have all the appropriate test equipment but wondered if a...
  10. Martaine2005

    Modding a lamp

    Use any wire!. Speaker wire, telephone cable, alarm cable,broken USB cable etc. We are talking milliAmps, so don’t be concerned. Martin
  11. Martaine2005

    Audi cluster repair

    Yes, I’m pretty sure it was high resistance value. And micro Amps too. I used red and green LEDs barely visible in daylight. Martin
  12. Martaine2005

    Audi cluster repair

    Good luck and post your results here. I think I went to 12 Meg to get a decent night time illumination. Martin
  13. Martaine2005

    Transient noise and microcontroller

    Yes, as close as possible. Decoupling is the major issue. Martin
  14. Martaine2005

    Modding a lamp

    OMG, are we still on this?. If your motion sensor switch is on/off, use that. Batteries >switch > resistor >LEDs. Martin
  15. Martaine2005

    Hello World

    Welcome Skeletor, quite a funny name for me as I call a good friend that!. Martin
  16. Martaine2005

    lg tv backlight is working weird

    55’? Surely you mean 55”?. It sounds like a thermal issue. Check for dry/cracked solder joints. Check the electrolytics too while you have it open. Martin
  17. Martaine2005

    Audi cluster repair

    @Kiwi made some good points. I did similar in my son’s car. Looked great in daylight but was too bright at night. So a range of LED colours and trying lots of different resistor values, we eventually found a ‘sweet’ spot that matched the rest of the cars illumination. Martin
  18. Martaine2005

    CIRCUIT BOARD FOR BLUETOOTH SPEAKER THAT INCLUDES LED DISPLAY OUTPUT

    You won’t find a replacement with the LEDs unless you get an original board. But you can replace the whole board for a Bluetooth amplifier and add another sound to light board. But it’s a lot of soldering. Martin
  19. Martaine2005

    remote control of intercom speaker

    Just put your switch on the red wire. That will cancel the speaker. No need for exciting new electronics to block!.
  20. Martaine2005

    please i need a mentor to guide to learn how to make basic electronic circuits especially led emergency lights, mobile phone chargers, laptop chargers

    Emergency lighting, laptop chargers, mobile phone chargers and power supplies?. Are you kidding? Go to school and learn. There are no short cuts. 1. You kill somebody. 2. You kill yourself. 3. You can’t test because your dead! 4. Nothing basic there. I just edited this post because you didn’t...
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