first commit

Sleep_B/Sleep_B.ino

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+#include <avr/sleep.h>
+
+void setup () 
+{
+  
+  //SLEEP_MODE_IDLE: 15 mA
+  //SLEEP_MODE_ADC: 6.5 mA
+  //SLEEP_MODE_PWR_SAVE: 1.62 mA
+  //SLEEP_MODE_EXT_STANDBY: 1.62 mA
+  //SLEEP_MODE_STANDBY : 0.84 mA
+  //SLEEP_MODE_PWR_DOWN : 0.36 mA
+  
+  set_sleep_mode (SLEEP_MODE_PWR_DOWN);  
+  sleep_enable();
+  sleep_cpu ();  
+}  // end of setup
+
+void loop () { }
+