"Tom Gardner" Mars@Tacks wrote in message
...
On 3/1/2014 1:42 AM, Gunner Asch wrote:

Just to link to 3..out of many many thousands

Thanks!

Once you are past the basics electronics subdivides into Analog,
Digital, Communications and Power. If your concern is machine tools
you could concentrate on Power components and circuits and don't need
to go very far into the others, which you purchase as modules.
jsw