diff --git a/chicken4.schem b/chicken4.schem new file mode 100644 index 00000000..cd9c84c5 Binary files /dev/null and b/chicken4.schem differ diff --git a/chicken5.schem b/chicken5.schem new file mode 100644 index 00000000..cd9c84c5 Binary files /dev/null and b/chicken5.schem differ