diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/example/DC_Motor/DC_Motor.ino b/example/DC_Motor/DC_Motor.ino
new file mode 100644
index 0000000..4ca95fc
--- /dev/null
+++ b/example/DC_Motor/DC_Motor.ino
@@ -0,0 +1,26 @@
+#define DIR1 4  // define direction 4 port
+#define PWM1 5  // define pwm1 5 port
+#define DIR2 7  // define direction 7 port
+#define PWM2 6  // define pwm1 6 port
+
+void setup() {
+  pinMode(DIR1, OUTPUT);
+  pinMode(PWM1, OUTPUT);
+  pinMode(DIR2, OUTPUT);
+  pinMode(PWM2, OUTPUT);
+}
+
+void loop() {
+  // forward speed 255
+  digitalWrite(DIR1, HIGH);
+  digitalWrite(PWM1, 255);
+  digitalWrite(DIR2, HIGH);
+  digitalWrite(PWM2, 255);
+  delay(2000);
+  // reversal speed 255
+  digitalWrite(DIR1, LOW);
+  digitalWrite(PWM1, 255);
+  digitalWrite(DIR2, LOW);
+  digitalWrite(PWM2, 255);
+  delay(2000);
+}