Fuse tester

[flying haggis]

and it does actually work!

 

[selectortone]

Brilliant!

 

[Geoff_S]

My life is complete

Seriously, that’s brilliant!

 

[XTiffy]

Unfortunately when I started out in electronics in 1962, there were no mobile phones!

 

[trvlr]

now that is very neat... which little birdy thought that one up...

 

[Stigmorgan]

I saw this on Instagram a few days ago, of course I had to test it out immediately

 

[Cabinetman]

Well it might be brill, neat, and make people’s lives complete but there’s nothing showing! Big gap at the top of the opening comment

 

[Sideways]

Try here (just a copy of the link).
Videoclip works for some of us.