On 14/09/17 09:25, alan_m wrote:
On 14/09/2017 08:31, Brian Gaff wrote:
You know it is funny as many many years ago, Tandy sold a 5 amp variable
voltage power supply, both in kit form and ready built. the kit cost five
pounds more than the built one. This is just one way that hobby
electronics
was killed!

It was almost always the case that building something electronics from
scratch wasn't that cost effective compared to buying the finished item
unless you worked in the industry and components could be "borrowed"
from the company stock

johnny cash - one piece at a time
https://www.youtube.com/watch?v=rWHniL8MyMM

--
Adrian C