diff --git a/guides/diy.rst b/guides/diy.rst
index c52d52545..54da8900f 100644
--- a/guides/diy.rst
+++ b/guides/diy.rst
@@ -68,6 +68,7 @@ Custom Components & Code
 - `Jura Impressa J6 coffee machine custom component <https://github.com/ryanalden/esphome-jura-component>`__ by :ghuser:`ryanalden`
 - `Paradox alarm system sensors custom component <https://github.com/Margriko/Paradox-ESPHome>`__ by :ghuser:`Margriko`
 - `DSC POWER832 (PC5010) alarm system custom component <https://github.com/Dilbert66/esphome-dsckeybus>`__ by :ghuser:`Dilbert66`
+- `ADEMCO/VISTA/Honeywell alarm system custom component <https://github.com/Dilbert66/esphome-vistaECP>`__ by :ghuser:`Dilbert66`
 
 Sample Configurations
 ---------------------