diff --git a/flashnode.sh b/flashnode.sh
index 6370233..2b9adf8 100755
--- a/flashnode.sh
+++ b/flashnode.sh
@@ -93,6 +93,13 @@ case $NODE in
        EFUSE_ARG="-U efuse:w:0xFE:m"
        FILE_ARG="-U flash:w:./0-build/avr/devices/n27/boot/n27_boot.hex"
        ;;
+  n28)
+       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/n28/boot/n28_boot.hex"
+       ;;
   r04)
        DEVICE_ARG="-p t841"
        HFUSE_ARG="-U hfuse:w:0xD7:m"
@@ -121,6 +128,13 @@ case $NODE in
        EFUSE_ARG="-U efuse:w:0xFE:m"
        FILE_ARG="-U flash:w:./0-build/avr/devices/t03/boot/t03_boot.hex"
        ;;
+  t04)
+       DEVICE_ARG="-p t841"
+       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/t04/boot/t04_boot.hex"
+       ;;
   *)
        echo "Unknown node $NODE".
        exit 1