diff --git a/USBID.sh b/USBID.sh
new file mode 100644
index 0000000..593df3a
--- /dev/null
+++ b/USBID.sh
@@ -0,0 +1,2 @@
+USB_VID=0x1209
+USB_DID=0xF043
diff --git a/submod.sh b/submod.sh
index 8683b4b..2e24228 100755
--- a/submod.sh
+++ b/submod.sh
@@ -12,7 +12,7 @@ cd -
 #
 # Optional update submodules explicitly
 cd circle-stdlib/libs/circle
-#git checkout develop
+git checkout fe09c4b
 cd -
 cd circle-stdlib/libs/circle-newlib
 #git checkout develop