diff --git a/telemetry/code/fading_led_demo/fading_led_demo.ino b/telemetry/code/fading_led_demo/fading_led_demo.ino
new file mode 100644
index 0000000..0ed51f1
--- /dev/null
+++ b/telemetry/code/fading_led_demo/fading_led_demo.ino
@@ -0,0 +1,27 @@
+/*
+ * Hello, World!
+ * 
+ * A starting point for programming a robot monitoring system
+ * By the UoN Robot Wars project, 2018
+ * This code is under the GPL
+ */
+
+#include <math.h>
+ 
+void setup() {
+  Serial.begin(9600);
+  Serial.println("Hello, World");
+  pinMode(13, OUTPUT);
+}
+
+void loop() {
+  // PWM an LED, fading sinusoidally
+  double major_frequency = 0.3;
+  double minor_frequency = 100;
+  double duty = 0.5+(0.5*sin(2*PI*major_frequency*millis()/1000));
+  Serial.println(duty);
+  digitalWrite(13, HIGH);
+  delay(1000 * duty/minor_frequency);
+  digitalWrite(13, LOW);
+  delay(1000 * (1-duty)/minor_frequency);
+}
--
libgit2 0.21.2