diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d581625
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+copy:
+	ampy --port /dev/ttyUSB0 put code/boot.py
+	ampy --port /dev/ttyUSB0 put code/main.py
+	ampy --port /dev/ttyUSB0 put code/hcsr04.py
diff --git a/code/boot.py b/code/boot.py
new file mode 100644
index 0000000..6abce89
--- /dev/null
+++ b/code/boot.py
@@ -0,0 +1,7 @@
+# This file is executed on every boot (including wake-boot from deepsleep)
+#import esp
+#esp.osdebug(None)
+import gc
+#import webrepl
+#webrepl.start()
+gc.collect()