diff --git a/registry.txt b/registry.txt
index a946901b..da515420 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5234,3 +5234,4 @@ https://github.com/khoih-prog/ATmega_TimerInterrupt.git|Contributed|ATmega_Timer
 https://github.com/khoih-prog/ATmega_Slow_PWM.git|Contributed|ATmega_Slow_PWM
 https://github.com/khoih-prog/Dx_TimerInterrupt.git|Contributed|Dx_TimerInterrupt
 https://github.com/Vulintus/ATWINC3400_Driver_Arduino.git|Contributed|Vulintus_ATWINC3400
+https://github.com/khoih-prog/Dx_Slow_PWM.git|Contributed|Dx_Slow_PWM