Changes

Just to prove it can be done on GPIO pins here it is in all it's glory. That's a hifiberry Amp on top of the Pi3 and it all fits in a case with a 18V supply powering it all, and chains used to be called layers. . .

Just to prove it can be done on GPIO pins here it is in all it's glory.  

That's a hifiberry Amp on top of the Pi3 and it all fits in a case with a 18V supply powering it all. The red heat shrink is evidence of a changing manifested on some Pi software update.

... and chains used to be called layers. . .

[[File:Zynthian-amp3-open.jpg|300px|frame|center|Zynthian-amp3-open]]

[[File:Zynthian-amp3-open.jpg|300px|frame|center|Zynthian-amp3-open]]