I fix a lot of things. I am staggered by the amount of different fasteners and batteries (just to pick two instances of stupidity) that are used. It seems like the ISO standard is a good place to start but both servicing and manufacturing would benefit hugely from a list of “Preffered components” to be drawn up.
Electronics, particularly suffered from needless miniaturisation where even output transistors and other likely to fail semiconductors are now packed in ways that defeat that average man with a soldering iron. I had an air conditioner to repair, but the components I need to repair it were unfeasibly small on the PCB and too small to carry identification that would allow me to substitute a similar component. In that particular application a DIL chip would have been perfectly acceptable and most importantly replaceable
I’ve just ben intimately involved with the end process of the Cabinet Offices “ventilator challenge” where I literally counted and decided the fate of millions of discrete components and assemblies all the way up to completed ventilators.
ON the other side of the planet they may well have an impoverished bloke who’d remove and sort those SMD components, and there might be a market for used SMD devices, but in the real world, the energy and resources used to make modern electronics, is in the main “Straight to recycling stuff”.
The nation lost a VAST AMOUNT OF MONEY!!
Not because of incompetence in government, or even in those of us who were tasked with trying to recover some of the expenditure. Nor dishonesty, (most of the people I saw involved discharged their duties pretty flawlessly, in my critical opinion).
But those bandoliers of components have to be PERFECT and someone needs to want 5000 of 27Uf tantulum capaicitors in the 6mm size in order to get any value out of them…
Individual leaded components on the other hand, they can be used by anyone to fix anything.
It’s the obsession with bringing out a new and improved version of everything that is responsible, and it’s making electronics almost 100% wasteful, and totally non re-useable…
PREFERRED STANDARD Components would solve a lot of problems.
OH. And drones. IF you buy a “top quality” Drone like a parrot or DJI, the sub assemblies, like on modern cars, are connected by a network, and are not inter-exchangeable, so no more making up one good one out of two busted ones. BY CAREFUL DESIGN. (They call it “security”)
IF you like the shape and features of a parrot Anafi, then buy the cheap chinese copy, it has interchangeable parts and uses a tweaked public domain flight controller system (although they don’t tell you that on the box).