first commit

libraries/Low-Power/Examples/powerDownWakePeriodic/powerDownWakePeriodic.ino

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+// **** INCLUDES *****
+#include "LowPower.h"
+
+void setup()
+{
+    // No setup is required for this library
+}
+
+void loop() 
+{
+    // Enter power down state for 8 s with ADC and BOD module disabled
+    LowPower.powerDown(SLEEP_8S, ADC_OFF, BOD_OFF);  
+    
+    // Do something here
+    // Example: Read sensor, data logging, data transmission.
+}