diff --git a/src/LiquidCrystal.cpp b/src/LiquidCrystal.cpp
index 8c6cdf0..0c9f00d 100644
--- a/src/LiquidCrystal.cpp
+++ b/src/LiquidCrystal.cpp
@@ -324,3 +324,10 @@ void LiquidCrystal::write8bits(uint8_t value) {
   
   pulseEnable();
 }
+
+void LiquidCrystal::digitalWrite(int pin, int value) {
+    ::digitalWrite(pin, value);
+}
+void LiquidCrystal::pinMode(int pin, int mode) {
+    ::pinMode(pin, mode);
+}
diff --git a/src/LiquidCrystal.h b/src/LiquidCrystal.h
index da950ce..1224534 100644
--- a/src/LiquidCrystal.h
+++ b/src/LiquidCrystal.h
@@ -84,6 +84,9 @@ class LiquidCrystal : public Print {
   void command(uint8_t);
   
   using Print::write;
+protected:
+  virtual void digitalWrite(int pin, int value);
+  virtual void pinMode(int pin, int mode);
 private:
   void send(uint8_t, uint8_t);
   void write4bits(uint8_t);