Ore to Red Circuits Belt Build

Very optimised ratios

Fully beaconed 8x8 (1 to 8, 8 to 1)

Inputs:

1 blue belt of iron ore

2 blue belts of copper ore

1 red belt (2 yellow belts) of coal

Petroleum gas from side

Output: 1 full blue belt of red circuits

You can also check Green, Blue