Late game bot based green circuit factory.
You will need to provide power to the outer row of beacons on your array, if you want to have rail between two of these arrays make sure you point the inserter side of the array towards the rail.
Under perfect requester chest conditions it makes:
Electronic Circuit 70/sec 4,200/min
Consumes:
Iron Plate 50/sec 3,000/min Copper Plate 56/sec 3,360/min