diff --git a/libraries/Wire/keywords.txt b/libraries/Wire/keywords.txt
index 5e3d2b1ca..03cc5c006 100644
--- a/libraries/Wire/keywords.txt
+++ b/libraries/Wire/keywords.txt
@@ -17,6 +17,7 @@ endTransmission	KEYWORD2
 requestFrom	KEYWORD2
 onReceive	KEYWORD2
 onRequest	KEYWORD2
+disablePullups KEYWORD2
 
 #######################################
 # Instances (KEYWORD2)
diff --git a/libraries/Wire/library.properties b/libraries/Wire/library.properties
index e19526e87..ae3d32df5 100644
--- a/libraries/Wire/library.properties
+++ b/libraries/Wire/library.properties
@@ -1,5 +1,5 @@
 name=Wire
-version=1.0
+version=1.1
 author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=This library allows you to communicate with I2C and Two Wire Interface devices.
diff --git a/libraries/Wire/src/Wire.cpp b/libraries/Wire/src/Wire.cpp
index c407776e7..064cbb7f6 100644
--- a/libraries/Wire/src/Wire.cpp
+++ b/libraries/Wire/src/Wire.cpp
@@ -19,6 +19,7 @@
   Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
   Modified 2017 by Chuck Todd (ctodd@cableone.net) to correct Unconfigured Slave Mode reboot
   Modified 2020 by Greyson Christoforo (grey@christoforo.net) to implement timeouts
+  Modified 2021 by Fernando Rubio (frubio@techdev.cl) to support I2C 3v3 devices
 */
 
 extern "C" {
@@ -82,6 +83,11 @@ void TwoWire::end(void)
   twi_disable();
 }
 
+void TwoWire::disablePullups(void)
+{
+  twi_disablePullups();
+}
+
 void TwoWire::setClock(uint32_t clock)
 {
   twi_setFrequency(clock);
diff --git a/libraries/Wire/src/Wire.h b/libraries/Wire/src/Wire.h
index e70d72edb..b441ab7dc 100644
--- a/libraries/Wire/src/Wire.h
+++ b/libraries/Wire/src/Wire.h
@@ -18,6 +18,7 @@
 
   Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
   Modified 2020 by Greyson Christoforo (grey@christoforo.net) to implement timeouts
+  Modified 2021 by Fernando Rubio (frubio@techdev.cl) to support I2C 3v3 devices
 */
 
 #ifndef TwoWire_h
@@ -54,6 +55,7 @@ class TwoWire : public Stream
     void begin(uint8_t);
     void begin(int);
     void end();
+    void disablePullups();
     void setClock(uint32_t);
     void setWireTimeout(uint32_t timeout = 25000, bool reset_with_timeout = false);
     bool getWireTimeoutFlag(void);
diff --git a/libraries/Wire/src/utility/twi.c b/libraries/Wire/src/utility/twi.c
index d223760d8..d4ecb5daf 100644
--- a/libraries/Wire/src/utility/twi.c
+++ b/libraries/Wire/src/utility/twi.c
@@ -18,6 +18,7 @@
 
   Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
   Modified 2020 by Greyson Christoforo (grey@christoforo.net) to implement timeouts
+  Modified 2021 by Fernando Rubio (frubio@techdev.cl) to support I2C 3v3 devices
 */
 
 #include <math.h>
@@ -55,6 +56,9 @@ static volatile uint32_t twi_timeout_us = 0ul;
 static volatile bool twi_timed_out_flag = false;  // a timeout has been seen
 static volatile bool twi_do_reset_on_timeout = false;  // reset the TWI registers on timeout
 
+//3v3 Compatibility need the feature of disable pullups and allow external pullups
+static volatile uint8_t twi_pullups_state = 1;  //Pull-ups Enabled by default as previous Lib versions, state is needed to support future resets from timeouts
+
 static void (*twi_onSlaveTransmit)(void);
 static void (*twi_onSlaveReceive)(uint8_t*, int);
 
@@ -84,9 +88,9 @@ void twi_init(void)
   twi_sendStop = true;		// default value
   twi_inRepStart = false;
   
-  // activate internal pullups for twi.
-  digitalWrite(SDA, 1);
-  digitalWrite(SCL, 1);
+  // activate/deactivate internal pullups for twi according to default value.
+  digitalWrite(SDA, twi_pullups_state);
+  digitalWrite(SCL, twi_pullups_state);
 
   // initialize twi prescaler and bit rate
   cbi(TWSR, TWPS0);
@@ -118,6 +122,18 @@ void twi_disable(void)
   digitalWrite(SCL, 0);
 }
 
+/* 
+ * Function twi_disablePullups
+ * Desc     disables internal pullups on init
+ * Input    none
+ * Output   none
+ */
+void twi_disablePullups(void)
+{
+  // deactivate internal pullups for twi.
+  twi_pullups_state = 0;
+}
+
 /* 
  * Function twi_slaveInit
  * Desc     sets slave address and enables interrupt
diff --git a/libraries/Wire/src/utility/twi.h b/libraries/Wire/src/utility/twi.h
index 85b983794..5206b3834 100644
--- a/libraries/Wire/src/utility/twi.h
+++ b/libraries/Wire/src/utility/twi.h
@@ -17,6 +17,7 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
   Modified 2020 by Greyson Christoforo (grey@christoforo.net) to implement timeouts
+  Modified 2021 by Fernando Rubio (frubio@techdev.cl) to support I2C 3v3 devices
 */
 
 #ifndef twi_h
@@ -42,6 +43,7 @@
   
   void twi_init(void);
   void twi_disable(void);
+  void twi_disablePullups(void);
   void twi_setAddress(uint8_t);
   void twi_setFrequency(uint32_t);
   uint8_t twi_readFrom(uint8_t, uint8_t*, uint8_t, uint8_t);