First EntryI started from Idea, at first I wanted to make interesting design thought it will be unique to me, and I can even play games as it includes 2 encoders, 9 buttons, display and LEDs. I planned to use LEDs not only behind keyboard, but as indicator of level and so on, so I placed several near display.But when I started making schematics, I found that I cant fit all this together as there only 11 pins. Also, I learned about button matrix, interesting actually. After little search I found actually there are ways to include the encoder itself as an switch in button matrix, but I also found that it might cause problems. Eventually, I decided to remove second encoder, and changed design.This design is more similar to ones you find in gallery.But the main uniqueness was in 2 buttons near display and indicators all over the place.I tried that and made button matrix of 4columns and 3 rows. but again found out that I can not add column 4 or I should remove LEDs. Column 4 was responsible for 2 switches near display and encoder switch. Though I really wanted to add encoder switch, I had to make choice. My choice was to leave LEDs.Just for reminder Encoder needs 3 pins, (when switch used for matrix)Leds only 1Switch matrix 3x3 needs 6 pinsDisplay needs 2.I didnt use encoder switch so it took only 2. Finally 2 +1+6+2=11 all pins are used.So final design looked like this Then I assigned footprints, mostly from Kicad builtin library and from care package.The resources told to use 4pin header for oled, but I used actualy footprint so I won’t mess up with sizes.The pcb routing actually was hardest tasks. I had so many components had to fit in 80*100mm.As expected from me now, I am not pro and my main task was to connect, even if not perfectly.Though I tried to shorten routes, don’t place them too close to each other, there are long routes that are close to each other.I multiple times doubted my decision of choosing LEDs. They were all over the place, and they stood behing longest routes. Nevertheless, I could finish it. Finally, I added 3D model to each footprint, mostly searched from grabCAD. I Wanted to see my PCB in 3d.I didn’t knew how to update footprint 3d models, I though making it manually but when I saw 20 leds, I searched for better way , and actually found that there were actually function for that.Finally, my pcb