diff --git a/voltage.ino b/voltage.ino
new file mode 100644
index 0000000..d876967
--- /dev/null
+++ b/voltage.ino
@@ -0,0 +1,13 @@
+void setup() {
+  // initialize serial communication at 9600 bits per second:
+  Serial.begin(9600);
+}
+
+void loop() {
+  // read the input on analog pin 0:
+  int sensorValue = analogRead(A2);
+  // Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V):
+  float voltage = sensorValue * (5.0 / 1023.0);
+  // print out the value you read:
+  Serial.println(voltage);
+}