diff --git a/examples/tm1638_functions_example/tm1638_functions_example.pde b/examples/tm1638_functions_example/tm1638_functions_example.pde
new file mode 100644
index 0000000..c66fc43
--- /dev/null
+++ b/examples/tm1638_functions_example/tm1638_functions_example.pde
@@ -0,0 +1,102 @@
+/*
+Library examples for TM1638.
+
+Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the version 3 GNU General Public License as
+published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <TM1638.h>
+#include <InvertedTM1638.h>
+
+#define NO_MODULES  2
+
+// define a regular module and a inverted module
+TM1638 module1(3, 2, 4);
+InvertedTM1638 module2(3, 2, 5);
+TM1638* modules[NO_MODULES] = {
+  &module1,
+  &module2
+};
+byte modes[NO_MODULES];
+
+unsigned long startTime;
+
+void setup() {
+  startTime = millis();
+  
+  for (int i = 0; i < NO_MODULES; i++) {
+    modules[i]->setupDisplay(true, 7);
+    modes[i] = 0;
+  }
+}
+
+void update(TM1638* module, byte* mode) {
+  byte buttons = module->getButtons();
+  unsigned long runningSecs = (millis() - startTime) / 1000;
+  
+  // button pressed - change mode
+  if (buttons != 0) {
+    *mode = buttons >> 1;
+    module->clearDisplay();
+    module->setLEDs(0);
+  }
+
+  switch (*mode) {
+    case 0:
+      module->setDisplayToDecNumber(runningSecs, 1 << 7);
+      break;
+    case 1:
+      module->setDisplayToDecNumber(runningSecs, 1 << 6, false);
+      break;
+    case 2:
+      module->setDisplayToHexNumber(runningSecs, 1 << 5);
+      break;
+    case 4:
+      module->setDisplayToHexNumber(runningSecs, 1 << 4, false);
+      break;
+    case 8:
+      module->setDisplayToBinNumber(runningSecs, 1 << 3);
+      break;
+    case 16:
+      module->clearDisplayDigit((runningSecs - 1) % 8, 0);
+      module->setDisplayDigit(runningSecs % 8, runningSecs % 8, 0);
+      break;
+    case 32:
+      char s[8];
+      sprintf(s, "Secs %03d", runningSecs % 999);
+      module->setDisplayToString(s);
+      break;
+    case 64:
+      if (runningSecs % 2 == 0) {
+        module->setDisplayToString("TM1638  ");
+      } else {
+        module->setDisplayToString("LIBRARY ");
+      }
+
+      module->setLED(0, (runningSecs - 1) % 8);
+      module->setLED(1 + runningSecs % 3, runningSecs % 8);
+      break;
+    case 65:
+      module->setDisplayToError();
+      break;
+
+  }
+}
+
+void loop() {
+  for (int i = 0; i < NO_MODULES; i++) {
+    update(modules[i], &modes[i]);
+  }
+}
+