diff --git a/engine.py b/engine.py
index f9aa2a7..b7be713 100644
--- a/engine.py
+++ b/engine.py
@@ -1,27 +1,26 @@
-
+from gpio import gpio
 
 class engine:
 
 	def __init__(self, gpio_1 = 13, gpio_2 = 19):
-		self.gpio_1 = gpio_1
-		self.gpio_2 = gpio_2
+		self.gpio_1 = gpio(gpio_1)
+		self.gpio_2 = gpio(gpio_2)
 
-		# export gpio's
-		n = "/sys/class/gpio/gpio" + str(self.gpio_1)
-		if not islink(n):
-			f = open("sys/class/gpio/export", "w")
-			f.write(str(self.gpio_1)
-			f = open("sys/class/gpio/gpio" + str(self.gpio_1) +\
-				"/value", "w")
-			f.write("out")
-
-		n = "/sys/class/gpio/gpio" + str(self.gpio_2)
-		if not islink(n):
-			f = open("sys/class/gpio/export", "w")
-			f.write(str(self.gpio_2)
-			f = open("sys/class/gpio/gpio" + str(self.gpio_2) +\
-				"/value", "w")
-			f.write("out")
+		self.gpio_1.export()
+		self.gpio_1.direction("out")
+		self.gpio_2.export()
+		self.gpio_2.direction("out")
+		self.stop()
 
 	def stop(self):
-		
+		self.gpio_1.set(0)
+		self.gpio_2.set(0)
+
+	def run_up(self):
+		self.gpio_1.set(1)
+		self.gpio_2.set(0)
+
+	def run_down(self):
+		self.gpio_1.set(0)
+		self.gpio_2.set(1)
+
diff --git a/engine_test.py b/engine_test.py
new file mode 100755
index 0000000..5c64488
--- /dev/null
+++ b/engine_test.py
@@ -0,0 +1,16 @@
+#!/usr/bin/python2
+from engine import engine
+from time import sleep
+
+eng = engine(13, 19)
+while True:
+	eng.stop()
+	print "engine stop"
+	sleep(3)
+	eng.run_up()
+	print "engine up"
+	sleep(3)
+	eng.run_down()
+	print "engine down"
+	sleep(3)
+