diff --git a/src/i2cEncoderLibV2.cpp b/src/i2cEncoderLibV2.cpp
index e7d7d84..665b3b7 100644
--- a/src/i2cEncoderLibV2.cpp
+++ b/src/i2cEncoderLibV2.cpp
@@ -22,7 +22,8 @@ i2cEncoderLibV2::i2cEncoderLibV2(uint8_t add) {
 }
 
 /** Used for initialize the encoder **/
-void i2cEncoderLibV2::begin(uint16_t conf) {
+bool i2cEncoderLibV2::begin(uint16_t conf) {
+	uint16_t gconf;
 
 	writeEncoder(REG_GCONF, (uint8_t)( conf & 0xFF));
 	writeEncoder(REG_GCONF2, (uint8_t)((conf >> 8) & 0xFF));
@@ -31,6 +32,9 @@ void i2cEncoderLibV2::begin(uint16_t conf) {
 		_clockstreach = 0;
 	else
 		_clockstreach = 1;
+
+	gconf = (readEncoderByte(REG_GCONF2) << 8) | readEncoderByte(REG_GCONF);
+	return (conf == gconf);
 }
 
 /** Reset the board **/
diff --git a/src/i2cEncoderLibV2.h b/src/i2cEncoderLibV2.h
index a6b875c..affc93b 100644
--- a/src/i2cEncoderLibV2.h
+++ b/src/i2cEncoderLibV2.h
@@ -185,7 +185,7 @@ class i2cEncoderLibV2 {
 
 	/** Configuration methods **/
 	i2cEncoderLibV2(uint8_t add);
-	void begin(uint16_t conf);
+	bool begin(uint16_t conf);
 	void reset(void);
 	void autoconfigInterrupt(void);
 
diff --git a/src/i2cEncoderMiniLib.cpp b/src/i2cEncoderMiniLib.cpp
index ca11898..1973924 100644
--- a/src/i2cEncoderMiniLib.cpp
+++ b/src/i2cEncoderMiniLib.cpp
@@ -22,10 +22,11 @@ i2cEncoderMiniLib::i2cEncoderMiniLib(uint8_t add) {
 }
 
 /** Used for initialize the I2C Encoder Mini **/
-void i2cEncoderMiniLib::begin(uint8_t conf) {
+bool i2cEncoderMiniLib::begin(uint8_t conf) {
 
   writeEncoder(REG_GCONF, (uint8_t) conf);
   _gconf = conf;
+  return (conf == readEncoderByte(REG_GCONF));
 }
 
 /** Used for reset the I2C Encoder Mini **/
diff --git a/src/i2cEncoderMiniLib.h b/src/i2cEncoderMiniLib.h
index b5a35d5..e9a31a0 100644
--- a/src/i2cEncoderMiniLib.h
+++ b/src/i2cEncoderMiniLib.h
@@ -105,7 +105,7 @@ class i2cEncoderMiniLib {
 
     /** Configuration methods **/
     i2cEncoderMiniLib(uint8_t add);
-    void begin(uint8_t conf);
+    bool begin(uint8_t conf);
     void reset(void);
     void autoconfigInterrupt(void);