Changes

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

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.

That's a hifiberry Amp on top of the Pi3 and it all fits in a case with a external 12- 18V supply powering it all.<nl> Which is sometimes a battery. The red heat shrink is evidence of a changing manifested on some Pi software update.

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

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