diff --git a/readme.MD b/readme.MD
index 4cdbfe8..bcdf27c 100644
--- a/readme.MD
+++ b/readme.MD
@@ -7,3 +7,5 @@ change log
 2024-06-28   before try low power
 
 2024-10-11   before VL53L8
+---------------------------
+2025-02-25   RC1, simple remote control with send cmd only, no decoding