diff --git a/stepper.py b/stepper.py
new file mode 100644
index 0000000..cf816ac
--- /dev/null
+++ b/stepper.py
@@ -0,0 +1,46 @@
+from artiq.experiment import *
+
+
+class Stepper(EnvExperiment):
+    def build(self):
+        self.setattr_device("core")
+        self.setattr_device("ttl0")
+        self.setattr_device("ttl1")
+
+    @kernel
+    def run(self):
+        self.core.reset()
+        while True:
+            delay(5*ms)
+            for i in range(4000):
+                self.ttl0.pulse(5*us)
+                delay(5*us)
+            for i in range(4000):
+                self.ttl0.pulse(2*us)
+                delay(2*us)
+            for i in range(100000):
+                self.ttl0.pulse(1*us)
+                delay(1*us)
+            for i in range(4000):
+                self.ttl0.pulse(2*us)
+                delay(2*us)
+            for i in range(4000):
+                self.ttl0.pulse(5*us)
+                delay(5*us)
+
+            delay(5*ms)
+            for i in range(4000):
+                self.ttl1.pulse(5*us)
+                delay(5*us)
+            for i in range(4000):
+                self.ttl1.pulse(2*us)
+                delay(2*us)
+            for i in range(100000):
+                self.ttl1.pulse(1*us)
+                delay(1*us)
+            for i in range(4000):
+                self.ttl1.pulse(2*us)
+                delay(2*us)
+            for i in range(4000):
+                self.ttl1.pulse(5*us)
+                delay(5*us)