Add existing code: Power consumption test cases and Semaphore power scheduler skeleton

example/advanced/Power_Measurements/IR_LED/IR_LED.ino

@@ -0,0 +1,23 @@
+#include "Dezibot.h"
+
+Dezibot dezibot;
+
+const uint16_t cycleMillis = 2e4;
+
+void setup() {
+  // put your setup code here, to run once:
+  dezibot.infraredLight.begin();
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  // Just turn the lights on alternating each five seconds, to get the consumption
+  dezibot.infraredLight.front.turnOn();
+  delay(cycleMillis);
+  dezibot.infraredLight.front.turnOff();
+  dezibot.infraredLight.bottom.turnOn();
+  delay(cycleMillis);
+  //Turn off and wait a little to measure baseline consumption
+  dezibot.infraredLight.bottom.turnOff();
+  delay(cycleMillis);
+}