Hellow guys, Welcome to my website, and you are watching DIY Keypad Project with Arduino UNO 4 Digit 7 Segment LED Display #arduino #electronics #engineer. and this vIdeo is uploaded by arduiNote at 2023-12-23T08:24:33-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.