low grade and high grade PCB

Originally Posted by newattitude

thanks erewen! Is there something of value in those chips then?

See whats under the black cover, interesting. Worth about $5.00 a lb if you save them up. The right one is a CPU chip.



Sometimes you will see these on the board, the black dot.

Integrated circuits (ICs) are self-contained circuits with many separate components such as transistors, diodes, resistors and capacitors etched into a tiny silicon chip.

Thanks to bbc.co.uk for the quote.