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Found a solution.
I am having the same issue, It will make the noise but the screen stays blank.
Found a solution to the LCD not functioning. Leave the rest of the circuit the same but switch around the lcd connections to the same as this picture. then in your code find the code that displays the lcd pins and change it to this LiquidCrystal lcd(7,8,9,10,11,12);I had to move my buzzer to pin 5 as well to accommodate the lcd changes. all you have to do is replace the buzzerpin in the code from 9 to 5.Also i was having a hard time getting anything to really display as I was doing the morse code. If you change the dashDuration in the code to 1.5 it seems to help as well as changing the dotDuration to 500.
Lesson 2: Drawing Technique
Tools & Materials
Design Sketching Class
Physiotherapist Robotic Arm..
2-Player Bartop Arcade Machine (Powered by Pi)
Melting Dome Cheesecake (Gluten Free!)
Raspberry Pi Arcade Table