Scratchpad.md

@@ -21,6 +21,10 @@ https://www.tindie.com/products/obso/pdp-11-replica-kit-the-pidp-11/
 https://github.com/simh/simh/  
 http://simh.trailing-edge.com/
 
+### Retro
+
+Research what [current retro computing trends](https://media.ccc.de/c/vcfb20/) may be useful to integrate.
+
 ## Copper etching
 
 **Q:** Will there be any reason to need *pad in via* or *HDI*, which would certainly break the budget and end the project?