A belt based Advanced Circuit (Red Circuit) block : r/factorio
Tileable advanced circuit factory : r/factorio
FACTORIO 0.16 | Mega Red Circuits - Episode 29 - YouTube
Factorio Prints: Red Circuits
Factorio Advanced Circuit factory - fully beaconed and tileable - for 0.15 - Album on Imgur
Factorio Blueprint Library
Factorio Prints: Early game Advanced Circuit (red circuit) tile-able section
igpron on Twitter: "Def my most organized #Factorio red circuits production I've ever put together. Will be able to keep tiling another set for a long time given the amount of inputs.
All my Circuits w/o trains V2.1 - Circuit Book (Green/Red/Blue) - FactorioBin
Space efficient Red Circuit Production for Expensive Mode : r/factorio