Update free-courses-hi.md (#10395)

added a new course under arduino

courses/free-courses-hi.md

@@ -109,6 +109,7 @@
 ### Arduino
 
 * [Arduino Programming Series (हिंदी में)](https://youtube.com/playlist?list=PLV3C-t_tgjGFyXP_-AF37AoIuxM9jzELM) - Engineers & Electronics
+* [Complete Arduino Tutorial Learn Arduino Programming in Hindi](https://www.youtube.com/playlist?list=PLg2KtP8cgLjzNu5G2bQQLxFeBiqk8IO0s) - Techtalks With Vivek
 
 
 ### Assembly