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  1. Martaine2005

    Automotive reverse polarity

    If the battery requires changing and somebody reverses the leads, they’ll have more problems to worry about than your 1A circuit. The diode will be fine. I am intrigued to know how you think you’ll get a load dump?. These are caused by disconnecting the battery when it’s being charged, ie -...
  2. Martaine2005

    Forum Upgrade & Merging with Maker.pro

    On Safari ios $10 (10 dollars). £10 (10 pounds).
  3. Martaine2005

    Tek 535A Mod101R

    You are obviously more experienced than myself and have probably opened more cans of worms plus rabbit holes. But that looks pristine. I am a fan of a YouTuber called Mr Carlson’s lab. I would advise professionals and beginners to watch his videos. Please keep us posted on the scope updates. I...
  4. Martaine2005

    Tek 535A Mod101R

    What a beautiful piece of equipment. If it was mine, I’d carefully open it and have a good visual inspection first. See if any untoward bodges or obvious faults may cause more problems when powered on. Then slowly bring it up on the islolated variac via your current limiter. Also maybe change...
  5. Martaine2005

    Mentor for Electronics

    There you go @Jonathan_Haroonian. @John Canon is officially your mentor. Hopefully this isn’t about the same thread that got closed by a moderator this morning?. Martin
  6. Martaine2005

    mini itx

    What are the power requirements for the board? Does it use a laptop style AC-DC adapter or a mains lead (IEC) connector into an ATX style cased power supply? Martin
  7. Martaine2005

    New Format

    Interesting, they only appear in a screen grab. They are not there visually. Martin
  8. Martaine2005

    New Format

  9. Martaine2005

    New Format

  10. Martaine2005

    New Format

    Dave, I only have Report, Quote and Reply on my mobile. Martin
  11. Martaine2005

    New Format

    This is also supposed to be ‘more’ mobile friendly. I can’t do a lot of what I could on my mobile phone. Terrible! Martin
  12. Martaine2005

    Forum Upgrade & Merging with Maker.pro

    I think this is officially the end of ElectronicsPoint. RIP EP.
  13. Martaine2005

    Forum Upgrade & Merging with Maker.pro

    I only have ‘report, +quote and reply. Martin
  14. Martaine2005

    Forum Upgrade & Merging with Maker.pro

    I don’t have a like button. At least not from my phone. Not home so can’t check the computer. Martin
  15. Martaine2005

    Forum Upgrade & Merging with Maker.pro

    @davenn How did you ‘like’ Haralds comment? Martin
  16. Martaine2005

    Forum Upgrade & Merging with Maker.pro

    I second, third and forth that!
  17. Martaine2005

    Can someone please identify what this sensor (?) Could be?

    That 4th photo with the U.FL connector was not available yesterday when I looked. So it definitely won’t be capacitive touch. And I’m still none the wiser. Martin
  18. Martaine2005

    Can someone please identify what this sensor (?) Could be?

    Pictures on this forum seem to be limited to max resolution of 300kB. You could try resizing them but the drive link works fine for me. Coming from the power button, I immediately thought of a capacitive touch button. But I really have no idea. Martin
  19. Martaine2005

    Forum Upgrade & Merging with Maker.pro

    Thank you. Martin
  20. Martaine2005

    Forum Upgrade & Merging with Maker.pro

    I hope I can find my password. I haven’t logged in for a few years. My phone and laptop auto log me in. Martin
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