diff --git a/ino/BadUSB_TestSwitches.ino b/ino/BadUSB_TestSwitches.ino
new file mode 100644
index 0000000..5eec3b7
--- /dev/null
+++ b/ino/BadUSB_TestSwitches.ino
@@ -0,0 +1,51 @@
+bool Ro[8];
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(2, INPUT_PULLUP);
+  pinMode(3, INPUT_PULLUP);
+  pinMode(4, INPUT_PULLUP);
+  pinMode(5, INPUT_PULLUP);
+  pinMode(6, INPUT_PULLUP);
+  pinMode(7, INPUT_PULLUP);
+  pinMode(8, INPUT_PULLUP);
+  pinMode(9, INPUT_PULLUP);
+  delay(100);
+}
+
+void loop() {
+  Ro[0]=!digitalRead(2); // SW 1
+  Ro[1]=!digitalRead(3); // SW 2
+  Ro[2]=!digitalRead(4); // SW 3
+  Ro[3]=!digitalRead(5); // SW 4
+  Ro[4]=!digitalRead(6); // SW 5
+  Ro[5]=!digitalRead(7); // SW 6
+  Ro[6]=!digitalRead(8); // SW 7
+  Ro[7]=!digitalRead(9); // SW 8
+  Serial.print(Ro[0]);
+  Serial.print(" ");
+  Serial.print(Ro[1]);
+  Serial.print(" ");
+  Serial.print(Ro[2]);
+  Serial.print(" ");
+  Serial.print(Ro[3]);
+  Serial.print(" ");
+  Serial.print(Ro[4]);
+  Serial.print(" ");
+  Serial.print(Ro[5]);
+  Serial.print(" ");
+  Serial.print(Ro[6]);
+  Serial.print(" ");
+  Serial.print(Ro[7]);
+  Serial.print(" ");
+  Serial.println();
+
+  byte value = 0;
+  for (int i = 7; i > 1; i--) {
+    if (Ro[i])
+      value |= (1 << (7-i));
+  }
+
+  Serial.println(value);
+  delay(3000);
+}