diff --git a/assets/l293.pdf b/assets/l293.pdf new file mode 100644 index 0000000..29fd154 Binary files /dev/null and b/assets/l293.pdf differ diff --git a/assets/slma004b.pdf b/assets/slma004b.pdf new file mode 100644 index 0000000..587a5ee Binary files /dev/null and b/assets/slma004b.pdf differ