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  1. Replies
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    One would have to hope that a supreme court judge...

    One would have to hope that a supreme court judge will be obliged (by conscience at the very least) to be totally impartial and non-partisan in their judgements. The current administration's insane...
  2. I made a couple of supplies this way a while back...

    I made a couple of supplies this way a while back with ebay modules and no problems with them at all so far.
    Used the DPS5005 from memory (50V 5A) with a fan cooled 48V SMPS and built a plywood box...
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    So far at least, the actual banks have managed to...

    So far at least, the actual banks have managed to no wrong me at all - must be in a minority going by the avalanches of complaints of late.

    What I do get regularly is 'phishing' emails from...
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    Update: OMV5 doesn't have a compatible version...

    Update:
    OMV5 doesn't have a compatible version for Pi Ubuntu as yet but I was able to install Nextcloud and set up a Samba share on the external USB3 HDD which achieves respectable speeds at last...
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    I got a 2G Pi 4 just a week ago having great...

    I got a 2G Pi 4 just a week ago having great expectations of employing it as a NAS server to replace the Pi 3 that's been doing that job for some time with no big problems. Encountered problems...
  6. Thread: blown RT1

    by Skepticist
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    Something like this one might go close to doing...

    Something like this one might go close to doing the job depending on what the typical operating current of the device is:...
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    If the pushbuttons are the type with a conductive...

    If the pushbuttons are the type with a conductive surface coating that wears off (like most of them) then a new switch is the remedy. I've had temporary success with windscreen demister track repair...
  8. Thread: blown RT1

    by Skepticist
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    1,016

    Sounds like a thermistor which would be NTC...

    Sounds like a thermistor which would be NTC (negative temperature coefficient) to limit the inrush current at switch-on.
  9. That pic makes it clear that the positives are...

    That pic makes it clear that the positives are all at the same potential.
    The polarity of the diodes (if they are diodes) is not obvious but could be to prevent reverse current flow into the solar...
  10. Sounds like he's saying it's a 'common positive'...

    Sounds like he's saying it's a 'common positive' system as opposed to 'common negative' to me but ask for detailed advice with schematics to clarify. Is it possible that the company originally...
  11. That's what I'd call FUBAR and the only 'repair'...

    That's what I'd call FUBAR and the only 'repair' to consider would be replacement new PCBs which probably cost as much or even more than a completely assembled, tested and guaranteed new unit.
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    Most of the things plugged into outlets these...

    Most of the things plugged into outlets these days are low demand except for things that have heating elements like cooking appliances (kettle, toaster, frypan, coffee brewer etc) or portable...
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    Just practising.... ...

    Just practising....

    https://i.postimg.cc/Kvdp7KtW/kindlifresser.jpgupload image to link
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    Poll: Dual booting Win 7 and Mint 19 here but Win7...

    Dual booting Win 7 and Mint 19 here but Win7 rarely used these days and scheduled for removal in the near future. I can run a minimal Win whatever in VMWare under Mint if I really need to for the...
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    Bunnings have those 3 pin sockets in packs of 25...

    Bunnings have those 3 pin sockets in packs of 25 for $39 which makes them about $1.50 each if you're installing a lot of downlights...
  16. Trash was too fast for slow ol me :) wiki:...

    Trash was too fast for slow ol me :)

    wiki: https://en.wikipedia.org/wiki/Kohnen_Station

    "Kohnen Station
    Antarctic base

    Kohnen-Station is a German summer-only polar research station in the...
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    Threads was indeed scary - you'd be better off to...

    Threads was indeed scary - you'd be better off to be at ground zero when the bomb dropped.
    Bringing back memories of Peter Garret and the 'Nuclear Disarmament Party' now and I recall him actually...
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    Moving mechanical parts like motors & pumps are...

    Moving mechanical parts like motors & pumps are always a weakness.
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    You need to look at it from an economy &...

    You need to look at it from an economy & practicality angle.
    Modern heat pumps for heating water use a fraction of the electrical energy (like ~20% or less) compared to a conventional electric...
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    Is this it?...

    Is this it?
    http://www.freepatentsonline.com/5012060.pdf

    Looks like it would be redundant compared to a recent heat pump system IMHO
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    Now you have me doubting my memory but I was...

    Now you have me doubting my memory but I was fairly certain it is a Gunn diode. The circuit (microwave leakage detector) was from a magazine (probably EA or ETI) way back in the 80s and I purchased...
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    Sounds like an improvement on the Gunn diode...

    Sounds like an improvement on the Gunn diode which was invented in the 60's. I made a microwave leakage detector using one of them (Gunn) over 30 years ago and it still works fine over a broad range...
  23. Hydraulic fluid could conceivably go 'whoosh' if...

    Hydraulic fluid could conceivably go 'whoosh' if it's sprayed around under pressure in atomised form such as from a failing flexible hose. It still requires an ignition spark or naked flame to do...
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    RIP Ginger I still have my Wheels Of Fire studio...

    RIP Ginger
    I still have my Wheels Of Fire studio vinyl album I got in the 60s - a classic
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    The (apparent) best info I could get is to simply...

    The (apparent) best info I could get is to simply disconnect the battery and everything will work as per normal and without alarms with the NTD running off the power supply in the battery box. Next...
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