Hellow guys, Welcome to my website, and you are watching Arduino Uno 로 RS232 to TLL 모듈을 사용해서 시리얼(Serial)통신으로 LED 제어해 보기. and this vIdeo is uploaded by 오마이엔지니어 at 2018-03-14T19:36:50-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.