diff --git a/repositories.txt b/repositories.txt
index 66d769d49..13f8b9e7e 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -5132,3 +5132,4 @@ https://github.com/natnqweb/EventSystem
 https://github.com/DIYODEmag/DIYsplay
 https://github.com/thomasfredericks/MicroOsc
 https://github.com/khoih-prog/ATmega_TimerInterrupt
+https://github.com/khoih-prog/ATmega_Slow_PWM