diff --git a/repositories.txt b/repositories.txt
index 8ff2d9c3..d7a632ac 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -4167,3 +4167,4 @@ https://github.com/khoih-prog/FlashStorage_STM32F1
 https://bitbucket.org/David_Such/nexgen_motorshield
 https://github.com/khoih-prog/STM32_ISR_Servo
 https://github.com/edge-ml/arduino
+https://github.com/khoih-prog/RP2040_ISR_Servo