Simple arduino clock DIY
My latest project, simple clock that is visible at night. i used arduino Uno and DS3231 real time clock . I also used PT6961 seven segment display that i finded in old tv reciever whis is showed at end of the video. This is my favorite display and it only need three pins. I finded library for it on this site http://gtbtech.com/?p=528
i also used three buttons to set time . First button needs to be pressed , second button is then used to set hours, last button is used to set minutes.