diff --git a/registry.txt b/registry.txt
index 8eb19df1..e6c06c24 100644
--- a/registry.txt
+++ b/registry.txt
@@ -8253,3 +8253,4 @@ https://github.com/dwan6767/lowkeyssd1306.git|Contributed|lowkeyoled
 https://github.com/Init-io/InitJson.git|Contributed|InitJson
 https://github.com/ArtronShop/ArtronShop_BL0940.git|Contributed|ArtronShop_BL0940
 https://github.com/Init-io/InitMQTT.git|Contributed|InitMQTT
+https://github.com/RCmags/CN0391.git|Contributed|CN0391