diff --git a/IT/hardware/Video-wall.md b/IT/hardware/Video-wall.md
index aff4519f..cd4d6a65 100644
--- a/IT/hardware/Video-wall.md
+++ b/IT/hardware/Video-wall.md
@@ -1 +1,3 @@
 ### Video wall
+- https://habr.com/ru/articles/973164/#comment_29204832
+- [Video wall](https://www.cnews.ru/book/%D0%92%D0%B8%D0%B4%D0%B5%D0%BE%D1%81%D1%82%D0%B5%D0%BD%D0%B0_-_Video_wall_-_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0_%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE%D0%BE%D1%82%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B0%D1%8E%D1%89%D0%B8%D1%85_%D1%83%D1%81%D1%82%D1%80%D0%BE%D0%B9%D1%81%D1%82%D0%B2_%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%86%D0%B8%D0%BE%D0%BD%D0%BD%D1%8B%D0%B5_%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE%D0%BA%D1%83%D0%B1%D1%8B_%D0%BF%D0%BB%D0%B0%D0%B7%D0%BC%D0%B5%D0%BD%D0%BD%D1%8B%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%96%D0%9A-%D0%B4%D0%B8%D1%81%D0%BF%D0%BB%D0%B5%D0%B8_)