DIY PCB  schematic and gerber: 

[https://www.pcbway.com/project/shareproject/DIY_16_keypad_1_rotary_encoder_1_9_inch_tft_lcd_8e749933.html](https://www.pcbway.com/project/shareproject/DIY_16_keypad_1_rotary_encoder_1_9_inch_tft_lcd_8e749933.html)

Hardware needed

1. x16 mechanical switch of your choice
2. x16 mechanical switch socket: CPG151101S11-16
3. x16 SMD Diodes: 1N4148W-7-F Switching Diodes, SOD-123 Package
4. x16 SMD RGB LED: YO-WS2812B-3528 or SK6812MINI-E
5. x16 SMD Capacitor: 0.1uf 16V 0805
6. x4 M2x10 screws
7. x4 10mm rubber pad
8. x2 SMD Resistor: 0R 0402 or 30 AWG Wrapping Wire
9. x1 Waveshare RP2040-Zero microcontroller
10. x1 1.9-inch LCM display: SPI 1.9 TFT LCM module
11. x1 Rotary Encoder: PEC11R-4215F-S0024 or EC11E15244G1
12. x1 Knob
13. x1 1x4 Pin Right Angle 90° Male Pin Header - Pitch 2.54mm
14. x1 1x8 Pin Female Header - 2.54mm Pitch
15. x1 Solder iron and solder wire
16. x1 A computer with your programming suite of choice and plenty of patience
17. x1 DIY 16 keypad PCB