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During a live stream I was demonstrating this igniter unit and waved it back and forth vigorously to show how the spark changed. Then it suddenly stopped working with the green "charged" LED lit.
The circuitry is interesting, but quirky, and has some weird features like a MOSFET that bypasses the power switch to activate the microcontroller while it's charging, purely to light the charge status LEDs.
It appears that the generous arc length may have been part of the issue. When I was playing with it after the fix I managed to push the arc length a bit too far (again) and the transformer flashed over internally. When that happens the only fix is a new transformer.
The live streams mentioned in the video are on another channel called BigCliveLive - but be aware that it's more of an informal online pub-meet of technical people and the chat can go a bit weird at times.
Supporting the channel with a dollar or two on Patreon helps keep it independent of YouTube's quirks, avoids intrusive mid-video adverts, gives early access, bonus footage and regular quiet Patreon live streams.
https://www.patreon.com/bigclive
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14 thoughts on “Can we fix a high voltage igniter?”
  1. Avataaar/Circle Created with python_avatars Joe Schmo says:

    Mouse-taser…

  2. Avataaar/Circle Created with python_avatars Andrew Powell says:

    Nice high frequency noise Clive LOL

  3. Avataaar/Circle Created with python_avatars Charles Garrett says:

    I have ~500 of the circuits for these (slightly different) from a project years ago. If anyone wants some or has some suggestions on how to make use of them, that'd be great. 3.7 V to 15 kV.

  4. Avataaar/Circle Created with python_avatars A Generic Account says:

    Superb. Nice to see a repair. Change of scenery from the usual teardown.

  5. Avataaar/Circle Created with python_avatars VarionJimmy says:

    I wouldnโ€™t mind more repair videos.
    Just a hint.. โ˜บ๏ธ๐Ÿ’ก

  6. Avataaar/Circle Created with python_avatars John Key says:

    ๐Ÿ”ฅ

  7. Avataaar/Circle Created with python_avatars halbvoll1 says:

    Fantastic job, thanks for the great explanation

  8. Avataaar/Circle Created with python_avatars coondogtheman1234 says:

    I have maybe three of those as seen on TV zippo style arc lighters and they all have failed. No charge no arc. Curious if the Mosfets in them have failed and maybe I can bypass them. May even check the runtime of one of these to failure if battery life wasn't an issue. Might steal the battery out of one of them to fix a small MP3 player that has a dying battery.

  9. Avataaar/Circle Created with python_avatars Snakez De Wiggle says:

    Whoofle me this Batman. What a bizarre circuit !
    Is there not a transformer in the ceramic block ?
    ๐Ÿ˜‰

  10. Avataaar/Circle Created with python_avatars d. t. says:

    Have you been able to test it on one of your neighbors yet? Good luck! ๐Ÿ‘

  11. Avataaar/Circle Created with python_avatars Ted McFadden says:

    Having been burned by cooked FETs enough, I don't blame you for immediately taking the snips to it on suspicion. Anyone else who might want to avoid destroying a possibly good component, use a meter to check for continuity, or resistance. If the component reads as a dead short on all the pins, then either that component is bad, or something very near it has gone bad.

  12. Avataaar/Circle Created with python_avatars Gazr Gazr says:

    A good fix.
    I wonder how many have been thrown out with the same fault.
    Gaz North Yorkshire coast

  13. Avataaar/Circle Created with python_avatars Richard Brian Smith says:

    Awesome Video big clive

  14. Avataaar/Circle Created with python_avatars Kevin says:

    Wonder what would happen if you wore your Disko-piss urine colorizer and simultaneously pissed on the igniter spark?

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