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  1. kellys_eye

    Milwaukee Battery Problem

    The warranty may have been as little as 12 months (legally). Batteries are devices that suffer from mis-use and therefore capable of being damaged by the buyer and the seller can't accept 'unlimited' responsibility as they could end up with an ever-increasing demand from people who don't...
  2. kellys_eye

    AC Power wiring to Light Bulb

    It does matter! The live should be connected to the most shrouded part of the fitting i.e. the centre connection.
  3. kellys_eye

    Looking for Replacement 4700 uf 25v Capacitor to Fit My Subwoofer

    There comes a point where you have to adapt to what you can get your hands on. As mentioned above, there is no electrical reason why the capacitors have to be situated in that specific place so finding 'anything' that fits - probably axial - and fitting fly-leads to reach the mounting holes is...
  4. kellys_eye

    CanBus Switching from a Reversing Bleeper Circuit?

    A retriggerable monostable circuit will do it. Pick the timing components to exceed the pulse period of the sounder and use the output to drive a light. https://www.automation24.co.uk/analogue-multifunction-timer-relays-selec-600xu-a-1-cu?previewPriceListId=1&refID=adwords_shopping_UK
  5. kellys_eye

    Looking for Replacement 4700 uf 25v Capacitor to Fit My Subwoofer

    The board is drilled for different pin spacing - what is the widest? The major suppliers usually have a decent range of capacitors to chose from and they will give all the necessary sizes. Have you checked the likes of Mouser, Farnell, RS etc?
  6. kellys_eye

    Best IC Assortment, both Linear and Logic.

    Well, that's a bit of a stretch but......:D They are both good enough in terms of value for money but of the first listing you'd probably only use three or four of the devices in it for many a month. As for the logic kit, that's pretty difficult to assess given I have no idea what you'd do...
  7. kellys_eye

    Best IC Assortment, both Linear and Logic.

    Yes, here in Scotland we even have glazing in our windows! o_O :p I think the whole world 'has' Amazon however I don't use them so can't comment on the kits they have. Can you post a link to one?
  8. kellys_eye

    Best IC Assortment, both Linear and Logic.

    Yes, there are some out there that offer kits that they think are the right ones for you but it doesn't count for individuality. By all means find/buy one but don't expect to not be ordering more specific/individual parts shortly thereafter! Here's a typical kit...
  9. kellys_eye

    Best IC Assortment, both Linear and Logic.

    99% of those types that eBay offer will remain in the box 'for ever'. Avoid. You can learn a lot from 'any' IC that is associated with task you wish to perform if you get the datasheet for it and learn its capabilities and limitations. Take the uniquitous NE555 (commonly called the plain old...
  10. kellys_eye

    5V Computer Fan - easy way to reduce speed?

    A thermal switch (mechanical) coupled with a 'low noise' fan run at its full speed (the noise difference will be negligible) should do. That said, why does your amplifier NEED fan cooling? If it was properly designed and is running in the environment the designers created it for then its own...
  11. kellys_eye

    Anyone come across an electronic battery?

    Therre already exists a panel meter that monitors voltage, current and power consumed (over time). This does what you want to (seemingly) achieve except for generating the power itself which is a basic current-limiting power supply.
  12. kellys_eye

    Help, what SMD is that?

    That's not 'S' that's the number '2'. I suspect you're looking at an inductor but I would need a side-on picture to confirm.
  13. kellys_eye

    Mini Golf Windmill

    A simple timer relay activated by whatever detection system you prefer (light beam, body, touch etc). Both items can be bought off-the-shelf but consider using a simple motion detector as per motion-sensitive lights. Properly angled/aimed it will only activate when you expect it to and these...
  14. kellys_eye

    Generac Niagara 400 (watt) standby generator

    If you apply a 12V DC supply directly to the slip rings does the AC output voltage change at all? Is the bridge rectifier ok? What about the brushes/slip rings?
  15. kellys_eye

    Unequal heating elements in series - brain fog trying to work it out!

    Dang. :oops:... and I used the ^2 button too! Either it's not working or I missed it! Either way, of course, you are corrrect. To the OP - a series resistance would work but it would be inordinately large and - effectively - a heat generator in its own right. An old electric iron element...
  16. kellys_eye

    PS900 Oscilloscope Sweep Function Not Working

    It's a 'burned area'...... Come on! How are we supposed to know? What's 'in' the hole? What's on the other side of the hole? Is it a 'real' hole or something someone made? How about a close up picture of it (both sides?).
  17. kellys_eye

    Repair massage gun - not charging

    Commonly a battery problem but 'sometimes' you get issues with the micro USB socket. The likelihood of finding spares and/or replacing parts on that board seem pretty slim!
  18. kellys_eye

    Generac Niagara 400 (watt) standby generator

    I've done the battery procedure myself a couple of times (fixed a few gensets in my time) and not always had issues with the method (I use a small 12V lead-acid cell) but if you have shorted turns the only proper way to test for them is to use a 'growler'. The 3 ohm reading, if accurate, sounds...
  19. kellys_eye

    Unequal heating elements in series - brain fog trying to work it out!

    Is this a case of mechanical 'fit' rather than electrical expediency? You could remove all the old elements and use an element from an electric iron (they are 'flat') as a mechanical solution. If there is loadsaroom the world is your mussel (can't afford oyster) as slapping in any heating...
  20. kellys_eye

    Generac Niagara 400 (watt) standby generator

    That's astonishing. There haven't been any major advances in electrical generation efficiency AFAIK, nor particular efficiencies in genset motors so coupling a 400W generator with an 8hp motor seems a ludicrous waste of effort and resourse. I wonder if it's a 'cobbled together' set by someone...
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