SPI Flash Memory Audio File Write and Play

[gevv]

Hi, Flash IC is an audio file playback circuit PIC16F628A 25Q32 prepared for high-capacity spi flash memory ICs known as Bios IC.

https://youtu.be/uJ1pkgnqAI4

00:07 General circuit description
01:27 Circuit diagram
01:32 PCB drawing
01:37 Test 1 Canary voice
02:22 Test 2 Nightingale voice
03:15 The module I use to load the Flash IC
03:45 Converting audio file
07:07 Notes