diff --git a/STM32F1/libraries/Wire/HardWire.cpp b/STM32F1/libraries/Wire/HardWire.cpp
index 8a63183..b3c1850 100644
--- a/STM32F1/libraries/Wire/HardWire.cpp
+++ b/STM32F1/libraries/Wire/HardWire.cpp
@@ -75,3 +75,8 @@ HardWire::~HardWire() {
 void HardWire::begin(uint8 self_addr) {
     i2c_master_enable(sel_hard, dev_flags);
 }
+
+void HardWire:end() {
+    i2c_disable(sel_hard);
+    sel_hard = 0;
+}
diff --git a/STM32F1/libraries/Wire/HardWire.h b/STM32F1/libraries/Wire/HardWire.h
index 6f137b8..6f30cb3 100644
--- a/STM32F1/libraries/Wire/HardWire.h
+++ b/STM32F1/libraries/Wire/HardWire.h
@@ -59,6 +59,11 @@ public:
      * passed flags
      */
     HardWire(uint8, uint8 = 0);
+	
+	/*
+	 * Shuts down (disables) the hardware I2C
+	 */
+	void end();
 
     /*
      * Disables the I2C device and remove the device address.