diff --git a/meshtastic/mesh.proto b/meshtastic/mesh.proto
index 661881d5..225c0972 100644
--- a/meshtastic/mesh.proto
+++ b/meshtastic/mesh.proto
@@ -620,7 +620,9 @@ enum HardwareModel {
    *
    */
 RP2040_FEATHER_RFM95 = 76;
-
+  /* M5 esp32 based MCU modules with enclosure, TFT and LORA Shields. All Variants (Basic, Core, Fire, Core2, Paper) https://m5stack.com/ */
+  M5STACK_COREBASIC=77;
+  M5STACK_CORE2=78;
   /*
    * ------------------------------------------------------------------------------------------------------------------------------------------
    * Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.