diff --git a/registry.txt b/registry.txt
index 7a31e513..111ce803 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4704,3 +4704,4 @@ https://github.com/PR-DC/PRDC_RS485HD_STM32.git|Contributed|PRDC_RS485HD_STM32
 https://github.com/PR-DC/PRDC_FreePort.git|Contributed|PRDC_FreePort
 https://github.com/PR-DC/PRDC_ServoHT.git|Contributed|PRDC_ServoHT
 https://github.com/PR-DC/PRDC_TMAESC.git|Contributed|PRDC_TMAESC
+https://github.com/PR-DC/PRDC_AD7797.git|Contributed|PRDC_AD7797