diff --git a/examples/PrimoDeepSleep/PrimoDeepSleep.ino b/examples/PrimoDeepSleep/PrimoDeepSleep.ino
index 9e7d9f8..fa24333 100644
--- a/examples/PrimoDeepSleep/PrimoDeepSleep.ino
+++ b/examples/PrimoDeepSleep/PrimoDeepSleep.ino
@@ -16,7 +16,7 @@
   a wakeup source.
   The board will be reset when it wakes up from power off.
   You can use wakeUpCause() function to find out what signals woke up
-  the board if you use more than one wakeUpBy.. function.
+  the board if you use enableWakeUpFrom() function more than once..
   
   This example code is in the public domain.
 */
@@ -31,13 +31,16 @@ const int digitalPin = 10;
 const int analogPin = A0;
 
 
-void StmEspPM(bool sleep){
+void StmWifiPM(bool sleep){
   // enable USER1_BUTTON to turn STM32 off and on when pressed.
   // note that when STM32 is off you cannot load any new sketch.
-  pinMode(USER1_BUTTON, STM32_IT);
+  LowPower.enableStm32Sleep();
 
-  // turn ESP8266 off or on
-  digitalWrite(GPIO_ESP_PW, sleep ? LOW: HIGH);
+  // turn WiFi off or on
+  if(sleep)
+    LowPower.powerOffWifi();
+  else
+    LowPower.powerOnWifi();
 }
 
 void setup() {
@@ -62,8 +65,8 @@ void setup() {
 
   Serial.println("Hi all, I return to sleep");
 
-  LowPower.companionLowPowerCallback(StmEspPM);
-  // Send sleep command to ESP and enable USER1_BUTTON to turn STM off
+  LowPower.companionLowPowerCallback(StmWifiPM);
+  // Send sleep command to WiFi and enable USER1_BUTTON to turn STM off
   LowPower.companionSleep();
 
   //set digital pin 10 to wake up the board when LOW level is detected
diff --git a/keywords.txt b/keywords.txt
index d0813b7..ceca4be 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -22,6 +22,10 @@ companionLowPowerCallback	KEYWORD2
 companionSleep	KEYWORD2
 companionWakeup	KEYWORD2
 wakeupReason	KEYWORD2
+powerOnWifi		KEYWORD2
+powerOffWifi		KEYWORD2
+enableStm32Sleep	KEYWORD2
+disableStm32Standby	KEYWORD2
 
 #######################################
 # Constants (LITERAL1)
diff --git a/src/ArduinoLowPower.h b/src/ArduinoLowPower.h
index 474c879..b5f602b 100644
--- a/src/ArduinoLowPower.h
+++ b/src/ArduinoLowPower.h
@@ -66,6 +66,10 @@ class ArduinoLowPowerClass {
 		#ifdef ARDUINO_ARCH_NRF52
 		void enableWakeupFrom(wakeup_reason peripheral, uint32_t pin = 0xFF, uint32_t event = 0xFF, uint32_t option = 0xFF);
 		wakeup_reason wakeupReason();
+		void powerOnWifi(void);
+		void powerOffWifi(void);
+		void enableStm32Sleep(void);
+		void disableStm32Standby(void);
 		#endif
 
 	private:
diff --git a/src/nrf52/ArduinoLowPower.cpp b/src/nrf52/ArduinoLowPower.cpp
index 75889a1..744be6d 100644
--- a/src/nrf52/ArduinoLowPower.cpp
+++ b/src/nrf52/ArduinoLowPower.cpp
@@ -154,6 +154,26 @@ wakeup_reason ArduinoLowPowerClass::wakeupReason(){
 	return OTHER_WAKEUP;
 }
 
+void ArduinoLowPowerClass::powerOnWifi(){
+	//turn the WiFi on
+	digitalWrite(GPIO_ESP_PW, HIGH);
+}
+
+void ArduinoLowPowerClass::powerOffWifi(){
+	//turn the WiFi off
+	digitalWrite(GPIO_ESP_PW, LOW);
+}
+
+void ArduinoLowPowerClass::enableStm32Sleep(){
+	//setup USER1_BUTTON as an interrupt to trigger STM32 enter to sleep mode or wake up from sleep mode
+	pinMode(USER1_BUTTON, STM32_IT);
+}
+
+void ArduinoLowPowerClass::disableStm32Standby(){
+	//disable STM32 enter to standby mode
+	pinMode(BAT_VOL, INPUT);
+}
+
 
 ArduinoLowPowerClass LowPower;