diff --git a/send.sh b/send.sh
new file mode 100755
index 0000000..85bdf75
--- /dev/null
+++ b/send.sh
@@ -0,0 +1,10 @@
+#! /bin/bash
+
+while [ ! -e /dev/ttyACM0 ]
+do
+	echo "no ttyACM0"
+	sleep 1
+done
+sudo chmod 666 /dev/ttyACM0
+sleep 1
+date +"%s" >/dev/ttyACM0