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  1. Martaine2005

    Multiple LED Driving

    Ok, you shouldn’t have any problems at all then. Martin
  2. Martaine2005

    Multiple LED Driving

    You should put a series resistor for each LED to avoid current hogging and a chain reaction of LED failures. The red LEDs are approximately 1.8V to 2V. Do some tests for required brightness starting with bright at 20mA and dimming to a few mA. What 6V supply are you using?. Are red and white...
  3. Martaine2005

    TFT Screen problem (Toshiba TECRA 730CDT)

    I’ve had similar problems but with desk tops. Shielding and keeping cables away from each other usually fixed the issue, so a laptop grounding issue could be very likely. Martin
  4. Martaine2005

    Government disclosure of UFO info tonight

    It’ll be the same old stories. Nothing new with redacted information. Martin
  5. Martaine2005

    Nut Roaster-to-Coffee Roaster Project

    You will need a geared motor. Possibly 40 or 50rpm to copy the videos motor speed. Plenty online with varying prices and specifications. (240VAC geared motor). You’ll also need a donor bicycle for its chain, crank and rear wheel cog. Plus a large Wok suitable for induction heating. Looks...
  6. Martaine2005

    Coronavirus transmission prevention device.

    Stupid and selfish? My body, my choice!. I am not anti vax and don’t care who chooses to have it. Same way as I choose not to. You can wear your masks to protect yourselves from me. Surely, you do know that masks don’t work? Or is that stupid too?. I also won’t get into a conversation about it...
  7. Martaine2005

    Coronavirus transmission prevention device.

    And so say I.. Martin
  8. Martaine2005

    New TV or Router?

    Not sure if the last two comments were for me or the OP but my TV is 1m away from the router. I’ll just hard wire it again. Martin
  9. Martaine2005

    New TV or Router?

    I have this very same issue with a smart TV too. A JVC pcworld piece of rubbish. The issue for me is leaving it on standby and it not reconnecting to WiFi when switched on. It seems to auto return to ‘wired’ connection. My only solution is to unplug the darn thing each time this happens. Must be...
  10. Martaine2005

    my busted psu

    Yours sounds serious, mine is stupid!! I had a gout attack and didn’t realise I’d broken it!. You too get well soon. Martin
  11. Martaine2005

    my busted psu

    :oops: Me too, I somehow broke my ankle. But I am a couch potato with TV films now! Martin
  12. Martaine2005

    Vintage Transformer Test - Which Pins?

    That is perfectly normal. Once loaded it would settle down. Martin
  13. Martaine2005

    Introduction

    Welcome aboard Paul. Martin
  14. Martaine2005

    Looking for a service manual / schematic

    Have you checked all the mains components? Bridge rectifier and surge protection?. Martin
  15. Martaine2005

    Finding a weak or nicked spot on a buried wire

    I would first check ALL visible wire from control box through door ways, near paving and any new fence posts that may have been erected. Also for any obvious sign of ground disturbance from a mole, fox or your dog. Cheap wire detectors/sniffers can be as little as £20 but whether they work is...
  16. Martaine2005

    12 volt delay timer

    It’s a teenagers term for ‘great’, a little like ‘buff’ for a good looking man!. And how a sentence is started with ‘So’. And ‘like’ every other word in a sentence. A USA thing exported again!. Martin
  17. Martaine2005

    smd component marked UL25 in a SOT223 type package

    SOT223 (4) can be voltage regulators too. Stating that a burned component “resembled fluff” and “SOT223 package although appears larger”, does not fill me with confidence that you read the board or component properly. Hence upload a photo request. Martin
  18. Martaine2005

    Sansui 7070 Left and Right Output Issue

    What was the issue? Martin
  19. Martaine2005

    smd component marked UL25 in a SOT223 type package

    This sounds like the marking is a PCB reference designator and possibly an inductor. Is UL25 on the component or PCB?. Can you upload some photos here? Keep the photo size to 300kB max to avoid forum errors. Martin
  20. Martaine2005

    Transistor as a switch

    Where is @Ratch when he’s needed? :cool: Martin
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