(index 0 is the first chip in the array)
               port: 3,           // the device is wired to pin LED3 on the chip
            },
         },

         // output port #5
         {
            device: {
               type: "pca555",    // an output on a PCA9555 GPIO extender chip
               chip: 1,           // the second chip in the "pca9555:" configuration
                                  // array (index 0 is the first chip in the array)
               port: "IO1_3",     // the device is wir