__    __     ______     ______   __  __     ______     __   __     ______    
/\ "-./  \   /\  ___\   /\__  _\ /\ \_\ \   /\  __ \   /\ "-.\ \   /\  ___\   
\ \ \-./\ \  \ \  __\   \/_/\ \/ \ \  __ \  \ \  __ \  \ \ \-.  \  \ \  __\   
 \ \_\ \ \_\  \ \_____\    \ \_\  \ \_\ \_\  \ \_\ \_\  \ \_\\"\_\  \ \_____\ 
  \/_/  \/_/   \/_____/     \/_/   \/_/\/_/   \/_/\/_/   \/_/ \/_/   \/_____/ 
                                                                              
a polyphonic analog synthesizer built on FPGA

[specs]
1. vivado project version - 2023.1
2. fpga device - Zynq-7000 SoC Z-7010(XC7Z010) with Artix-7 FPGA
3. fpga zynq soc - ARM Cortex-A9
4. esp32 pico kit v4.1 for controlling LCD display (SPI, st7789 driver)
5. stereo module UDA1334A (I2S)
6. esp32 dev environment - CLion, ESP-IDF 4.4
7. PCB tools - KiCad 7.0, FreeCAD 0.20

wheatfox 2022 - 2023