diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..a0eb7a4
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+if [ -z "$1" ]
+then
+	echo "specify which directory to build and flash"
+else
+	ls
+	cd $1
+	bash ./build.sh
+fi