diff --git a/registry.txt b/registry.txt
index d39bd9f1..c90d2a95 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4955,3 +4955,4 @@ https://github.com/MaximeLBG/CV7OEMFR.git|Contributed|CV7OEMFR
 https://github.com/Wolodia-M/btnapi-library.git|Contributed|btnapi
 https://github.com/Wolodia-M/flagsapi-library.git|Contributed|flagsapi
 https://github.com/MdelgadoL83/TapatioElectronics.git|Contributed|TapatioElectronics
+https://github.com/DFRobot/DFRobot_CH423.git|Contributed|DFRobot_CH423