The following project demonstrates "A Real-Time Digital Clock" built using Arduino Uno R3, a 16x2 LCD display, and push buttons—no RTC module required. The project uses Arduino’s internal timing and ...
The code will take input from pin 8 as the clock signal and pin 9 as the push button. It will transmit data through pins A4 and A5 into and OLED which will spell out what you are putting in in morse ...