diff --git a/motion/motion.ino b/motion/motion.ino
index 4c068c7..a4018c5 100644
--- a/motion/motion.ino
+++ b/motion/motion.ino
@@ -1,12 +1,18 @@
-#include <MeMCore.h
+#include <MeMCore.h>
 
 MeDCMotor leftRotor(9);
 MeDCMotor rightRotor(10);
+float lSpeed;
+float rSpeed;
+float duration;
 
 void setup() {
   // put your setup code here, to run once:
   leftRotor.run(0);
   rightRotor.run(0);
+  lSpeed = -100.0;
+  rSpeed = 100.0;
+  duration = 1000.0;
 
 }
 
@@ -17,4 +23,9 @@ void loop() {
   delay(duration);
   leftRotor.stop();
   rightRotor.stop();
+  delay(duration);
+  leftRotor.run(0-lSpeed);
+  rightRotor.run(0-rSpeed);
+  delay(duration);
+
 }
diff --git a/ultrasonicSensor/ultrasonicSensor.ino b/ultrasonicSensor/ultrasonicSensor.ino
new file mode 100644
index 0000000..0d4e426
--- /dev/null
+++ b/ultrasonicSensor/ultrasonicSensor.ino
@@ -0,0 +1,17 @@
+#include <MeMCore.h>
+
+
+MeUltrasonicSensor sensor(3);
+float distance;
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  distance = sensor.distanceCm();
+  Serial.print(distance);
+  Serial.print("\n");
+}
\ No newline at end of file