Added flash erase warning

bobvan · bobvan · commit c6795af32c40 · 2024-08-20T21:47:34.000-05:00
diff --git a/index.md b/index.md
@@ -24,6 +24,9 @@ on your MCU.
 
 ### Install
 
+[!CAUTION]
+Installing MicroPython will erase everything in the the MCU flash chip.
+
 After completing the pre-install checklist above,
 select a build for a generic board with your flash and RAM size, or for a specific board:
 
