diff --git a/registry.txt b/registry.txt
index 3bafd279..265fd4d4 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2052,3 +2052,4 @@ https://github.com/RobotCing/Attiny84_IO.git|Contributed|Attiny84_IO
 https://github.com/RobotCing/Attiny84_IO_basic.git|Contributed|Attiny84_IO_basic
 https://github.com/RobotCing/Atmega8_IO.git|Contributed|Atmega8_IO
 https://github.com/RobotCing/Atmega8_IO_basic.git|Contributed|Atmega8_IO_basic
+https://github.com/RobotCing/Atmega328_IO.git|Contributed|Atmega328_IO