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Wavetek / Fluke ? SF10 short finder -A very useful tool if you can find it
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Getorix:
Hi everyone.

I would like to share DIY alternative to SF10 which I have been using for some time already and it works perfect.

Here is what you need:

1. QianLi ToolPlus iBrush DS1102 Multifunctional Steel Brush (easy to find on AliExpress or UnionRepair)
2. hook-up wire
3. male crimp pin for 0.1"
4. heat-shrink tube
5. duct tape

The good thing about this brush is that brush wires are all connected and exposed on top of the brush.


Assembly is pretty straight forward. Crimp wire with male pin then wrap into hear-shrink tube. Throw wire on top along the brush handle fixing it with duct tape.
Wire should be long enough to reach the other end of a brush. Strip pretty decent part of the wire to make better connection with brush wires. Spread individual internal wires of your hook-up wire over the brush wires.
And finally a tricky part - make it stick somehow. I used solder but glue probably is a lot better option.

This is what it looks like assembled.
Fraser:
Is that brush handle made from aluminium ? If so, you could also drill a hole in the end of the handle and fit a 4mm test lead cable into the hole by some suitable means. A 4mm socket could also be installed. I would achieve the fixing by drilling a hole in the handle for the wire or 4mm socket and then another hole at right angles to it for either a machine (tapped hole) or blunt ended self tapping screw.

Great idea and thank you for providing details of the brush  :-+

The SF10 remains a front line PCB reverse engineering tool for me :)

Just thinking about it as I write this...... if a 4mm hole can be drilled into the aluminium handle, a 4mm multimeter test lead with banana plug termination would plug straight into it :) a

Of course, if the handle is just silver plastic then all this is moot.

Fraser
Getorix:
Yeah, it is solid piece of aluminium I think, definitely not plastic. But drilling into it for banana plug is an overkill for me :D
Even if it is my second most important tool for PCB RE after X-Ray :D
Fraser:
Yep, found it in the UK..... £23 though  :scared:

Description states that the handle is aluminium  :-+ So get your drill out, fit a 4mm drill bit, and get drilling that handle  ;D

“ High temperature resistance steel brush, ideal for use when working with PCB boards.
Easily remove and clean residue when repairing logic boards.
Strong aluminium handle with magnetising function.”

https://www.ebay.co.uk/itm/Qianli-ToolPlus-iBrush-Multifunctional-Steel-Brush-PCB-Board-Repair-High-Temp/274153106297?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D225076%26meid%3D6243f0a1c2544809ab01148ded4d99b5%26pid%3D100675%26rk%3D1%26rkt%3D15%26mehot%3Dnone%26sd%3D274153106297%26itm%3D274153106297%26pmt%3D0%26noa%3D1%26pg%3D2380057&_trksid=p2380057.c100675.m4236&_trkparms=pageci%3Ad6b4b637-7739-11ea-928c-622c255b94b5%7Cparentrq%3A4a5618ea1710a4b7b67e0f26fff69b86%7Ciid%3A1


Fraser
Fraser:
Getorix ..... I sold all my high resolution X-Ray kit  :(

It had to be done though as I was not justifying its cost with enough use.

Fraser
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