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+# Pin Function Table
+
+```
+ GPIO | Function | Notes
+------|----------|-----------
+  27  |  PUMP_1  | 
+  26  |  PUMP_2  |
+  25  |  PUMP_3  |
+  33  |  PUMP_4  |
+  19  |  USER_1  | Thumb Butt
+      |  USER_2  |
+```
+
+# IO Requirements