diff --git a/readme.md b/readme.md
index f464d5eb..de6f602d 100644
--- a/readme.md
+++ b/readme.md
@@ -61,6 +61,8 @@ Its cheap, comes with a tiny case (which can fit inside an indoor unit) and allo
 
 <img alt='M5STACK Wiring Diagram' src='https://github.com/lanwin/esphome_samsung_ac/assets/32042186/42a6757d-bfcf-4a29-be87-cf1b204e248a' width='400'>
 
+If your AC did not has V1/V2 please check out this [post](https://github.com/lanwin/esphome_samsung_ac/discussions/39#discussioncomment-8383733).
+
 ## Software Installation
 
 Follow these steps to install and configure the software for your AC unit controller: