{
  "input" : [
    { "item" : "laserdiode", "count" : 1 },
    { "item" : "circuitboard", "count" : 1 },
    { "item" : "steelbar", "count" : 2 }
  ],
  "output" : { "item" : "smallwallbutton", "count" : 1 },
  "groups" : [ "wiringstation", "all" ]
}