diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
old mode 100755
new mode 100644
index 61ed68d..8914999
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -13,7 +13,8 @@
         "source=/dev/bus/usb/,target=/dev/bus/usb/,type=bind"
     ],
     "runArgs": [
-        "--device=/dev/ttyACM0"
+        "--device=/dev/ttyACM0",
+        "--device=/dev/ttyACM1"
     ],
     "customizations": {
         "vscode": {