CHANGES.txt

@@ -1,6 +1,15 @@
+Version 2.1.3
+
+- ISSUE #26: Added a define TM1638_COLOR_NONE for clarity when clearing a single LED.
+
+Version 2.1.2
+
+- ISSUE #22: Corrected setDisplayDigit repeatedly with the dot set to true;
+- ISSUE #24: Correction on setDisplayToDecNumber bug (thanks to hbx3485).
+
 Version 2.1.1
 
-- ISSUE #21: Problems on clearDisplay and setupDisplay;
+- ISSUE #21: Problems on clearDisplay and setupDisplay.
 
 Version 2.1.0
 

TM1638.cpp

@@ -68,7 +68,7 @@ void TM1638::setDisplayToDecNumberAt(unsigned long number, byte dots, byte start
 void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean leadingZeros,
 	const byte numberFont[])
 {
-	setDisplayToDecNumberAt(number, dots, leadingZeros, 0, numberFont);
+	setDisplayToDecNumberAt(number, dots, 0, leadingZeros, numberFont);
 }
 
 void TM1638::setDisplayToSignedDecNumber(signed long number, byte dots, boolean leadingZeros,

TM1638.h

@@ -28,6 +28,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "TM16XX.h"
 #include "TM16XXFonts.h"
 
+#define TM1638_COLOR_NONE   0
 #define TM1638_COLOR_RED    1
 #define TM1638_COLOR_GREEN  2
 

TM1640.cpp

@@ -35,6 +35,12 @@ TM1640::TM1640(byte dataPin, byte clockPin, boolean activateDisplay, byte intens
 void TM1640::sendChar(byte pos, byte data, boolean dot)
 {
   sendData(pos, data | (dot ? 0b10000000 : 0));
+  
+  // necessary for the TM1640
+  digitalWrite(strobePin, LOW);
+  digitalWrite(clockPin, LOW);
+  digitalWrite(clockPin, HIGH);
+  digitalWrite(strobePin, HIGH);
 }
 
 void TM1640::clearDisplay()