From 5c51794d849b527bb9ba443f40495bef4e5f7b29 Mon Sep 17 00:00:00 2001
From: ANormalStick <71927186+ANormalStick@users.noreply.github.com>
Date: Tue, 4 Oct 2022 04:43:10 +0300
Subject: [PATCH] Added an eBook on learning arduino (#7424)

* Update free-programming-books-langs.md

* Fixed spacing

* Replaced riptutorial.com to correct format.
---
 books/free-programming-books-langs.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index 5abc440a8..207ef2295 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -291,6 +291,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Getting Started with Arduino products](https://www.arduino.cc/en/Guide) - Official Arduino Documentation (:construction: *in process*)
 * [Introduction to Arduino](http://playground.arduino.cc/Main/ManualsAndCurriculum)
 * [Introduction to Arduino : A piece of cake!](http://www.introtoarduino.com) - Alan G. Smith
+* [Learn Arduino](https://riptutorial.com/Download/arduino.pdf) - Compiled from StackOverflow documentation (PDF)
 * [Open softwear - Fashionable prototyping and wearable computing using the Arduino](https://softwear.cc/book/files/Open_Softwear-beta090712.pdf) - Tony Olsson, David Gaetano, Jonas Odhner, Samson Wiklund (PDF)