diff --git a/flashnode.sh b/flashnode.sh
index 8dff09f..e0f747f 100755
--- a/flashnode.sh
+++ b/flashnode.sh
@@ -100,6 +100,13 @@ case $NODE in
        EFUSE_ARG="-U efuse:w:0xFE:m"
        FILE_ARG="-U flash:w:./0-build/avr/devices/n30/boot/n30_boot.hex"
        ;;
+  n31)
+       DEVICE_ARG="-p t84"
+       HFUSE_ARG="-U hfuse:w:0xD7:m"
+       LFUSE_ARG=""
+       EFUSE_ARG="-U efuse:w:0xFE:m"
+       FILE_ARG="-U flash:w:./0-build/avr/devices/n31/boot/n31_boot.hex"
+       ;;
   r05)
        DEVICE_ARG="-p t841"
        HFUSE_ARG="-U hfuse:w:0xD7:m"