diff --git a/ergogen/ergogen.yml b/ergogen/ergogen.yml
index 5f476c3..de0632a 100644
--- a/ergogen/ergogen.yml
+++ b/ergogen/ergogen.yml
@@ -25,19 +25,22 @@ points:
             bottom.skip: true
             home:
               bind: [0, 5, 0, 0]
+              row_net: row0
             top.skip: true
             num.skip: true
+          key.column_net: col0
         outer:
           rows:
             num.skip: true
             mod.skip: true
+          key.column_net: col0
         pinky:
           rows:
             mod.skip: true
           key:
             splay: -5
-            
             origin: [0, 8]
+            column_net: col1
         ring:
           rows:
             mod.skip: true
@@ -45,23 +48,38 @@ points:
             origin: [0, 8]
             stagger: 0.33ky
             splay: -5
+            column_net: col2
         middle:
           key:
             stagger: 0.2ky
+            column_net: col3
+          rows:
+            mod:
+              column_net: col1
         index:
           key:
             stagger: -0.33ky
+            column_net: col4
+          rows:
+            mod:
+              column_net: col2
         inner:
           rows:
             mod.skip: true
           key:
             stagger: -2.5
+            column_net: col5
       rows:
         mod:
+          row_net: row4
         bottom:
+          row_net: row3
         home:
+          row_net: row2
         top:
+          row_net: row1
         num:
+          row_net: row0
     thumbs:
       anchor:
         ref: matrix_middle_home
@@ -72,14 +90,31 @@ points:
         spread: 1kx
       columns:
         layer:
-          key.splay: -15
+          key:
+            splay: -15
+            column_net: col3
         space:
           key:
             width: 1.5kx
             splay: 75
             shift: [13-kx, -3]
+            column_net: col4
       rows:
         cluster:
+          row_net: row4
+    scrollwheel:
+      anchor:
+        ref: matrix_inner_bottom
+      columns:
+        scrollwheel:
+          key:
+            tags: [switch,scrollwheel]
+            rotate: -15
+            shift: [px+padding, -3]
+            column_net: col5
+      rows:
+        scrollwheel:
+          row_net: row4
     mcu:
       anchor:
         ref: matrix_inner_num
@@ -153,19 +188,34 @@ pcbs:
           keycaps: true
           reverse: true
           hotswap: true
-          from: =column_net
-          to: =colrow
+          from: "{{column_net}}"
+          to: "{{colrow}}"
       diode:
         # TODO diode without throughhole?
         what: diode
         where: switch
         params:
-          from: =colrow
-          to: =column_net
+          from: "{{colrow}}"
+          to: "{{row_net}}"
         adjust.shift: [0, -5]
       promicro:
         what: promicro
         where: mcu
         params:
-          # TODO decide if soldered on opposite side?
-          orientation: up
\ No newline at end of file
+          orientation: down
+          P1: CS
+          P2: SDA
+          P3: SCL
+          P5: row0
+          P6: row1
+          P7: row2
+          P8: row3
+          P9: row4
+          P21: ENCA
+          P20: ENCB
+          P19: col0
+          P18: col1
+          P15: col2
+          P14: col3
+          P16: col4
+          P10: col5