diff --git a/JumperlessNano/src/MachineCommands.cpp b/JumperlessNano/src/MachineCommands.cpp
index 824a783..388c9ed 100644
--- a/JumperlessNano/src/MachineCommands.cpp
+++ b/JumperlessNano/src/MachineCommands.cpp
@@ -22,7 +22,7 @@ ArduinoJson::DynamicJsonDocument machineModeJson(8000);
 
 enum machineModeInstruction lastReceivedInstruction = unknown;
 
-char machineModeInstructionString[NUMBEROFINSTRUCTIONS][20] = {"unknown", "netlist", "getnetlist", "bridgelist", "getbridgelist", "lightnode", "lightnet", "getmeasurement", "gpio", "uart", "arduinoflash", "setnetcolor", "setnodecolor", "setsupplyswitch"};
+char machineModeInstructionString[NUMBEROFINSTRUCTIONS][20] = {"unknown", "netlist", "getnetlist", "bridgelist", "getbridgelist", "lightnode", "lightnet", "getmeasurement", "gpio", "uart", "arduinoflash", "setnetcolor", "setnodecolor", "setsupplyswitch", "getsupplyswitch"};
 
 enum machineModeInstruction parseMachineInstructions(int *sequenceNumber)
 {
@@ -495,6 +495,12 @@ void lightUpNodesFromInputBuffer(void)
     }
 }
 
+void printSupplySwitch(int supplySwitchPos) {
+  const char *positionString[] = { "3.3V", "5V", "8V" };
+  Serial.print("::supplyswitch[");
+  Serial.print(positionString[supplySwitchPos]);
+  Serial.println("]");
+}
 
 int setSupplySwitch(void)
 {
diff --git a/JumperlessNano/src/MachineCommands.h b/JumperlessNano/src/MachineCommands.h
index 7d8ad92..6d4fee0 100644
--- a/JumperlessNano/src/MachineCommands.h
+++ b/JumperlessNano/src/MachineCommands.h
@@ -1,7 +1,7 @@
 #ifndef MACHINECOMMANDS_H
 #define MACHINECOMMANDS_H
 
-#define NUMBEROFINSTRUCTIONS 15
+#define NUMBEROFINSTRUCTIONS 16
 
 enum machineModeInstruction
 {
@@ -18,7 +18,8 @@ enum machineModeInstruction
     arduinoflash,
     setnetcolor,
     setnodecolor,
-    setsupplyswitch
+    setsupplyswitch,
+    getsupplyswitch
 };
 
 extern char inputBuffer[INPUTBUFFERLENGTH];
@@ -39,6 +40,7 @@ void lightUpNodesFromInputBuffer(void);
 
 void lightUpNetsFromInputBuffer(void);
 
+void printSupplySwitch(int supplySwitchPos);
 int setSupplySwitch(void);
 
 void listNetsMachine(void);
diff --git a/JumperlessNano/src/main.cpp b/JumperlessNano/src/main.cpp
index b58fc32..60a2461 100644
--- a/JumperlessNano/src/main.cpp
+++ b/JumperlessNano/src/main.cpp
@@ -543,6 +543,10 @@ void machineMode(void) // read in commands in machine readable format
     showLEDsCore2 = 1;
     break;
 
+  case getsupplyswitch:
+    printSupplySwitch(supplySwitchPosition);
+    break;
+
   // case gpio:
   //   break;