PhysicalConnectivity/src/main/resources/data/phycon/recipes/network_interface.json

{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    " I ",
    "IPI",
    " I "
  ],
  "key": {
    "P": {"item": "phycon:item_processor"},
    "I": {"tag": "c:iron_ingots"}
  },
  "result": {
    "item": "phycon:network_interface"
  }
}