ESP32_Arcade

Tiny capsule toy of Japanese arcade game cabinet that showing intro movies.

Can play many movies you want with SD card storage!

Original capsule toy

Features

Playing 15FPS movie file with sounds
Auto looping
Unlimited number of movie file with SD card storage
Selection with a tact switch
Volume setting by config.cfg

Hardware components

ESP32-S3-Zero
ST7789 SPI TFT LCD (240x240, 1.54inch)
SD card module
MAX98357A DAC+Amp
Tact switch
20mm speaker

Software libraries

lovyanGFX
SD.h
SPI.h
vector
algorithm

Connection

* ESP32-S3-Zero --> TFT LCD
   cfg.pin_sclk = 13; // SCL
   cfg.pin_mosi = 12; // SCA
   cfg.pin_rst = 11; // RES
   cfg.pin_dc = 10;
   cfg.spi_mode = 3;
   BLK : not necessary to connect
   miso, cs, busy : set to -1

* ESP32-S3-Zero --> MAX98357A
   LRC = 9
   BCLK = 8
   DIN = 7
   GAIN -> GND
   SD -> VIN

* ESP32-S3-Zero --> SD card module
   SD_CS = 4
   SD_MOSI = 3
   SD_CLK = 2
   SD_MISO = 1

Encoding

* Video
   ffmpeg -i input.mp4 -vf "crop=960:672:160:24,scale=240:168,setpts=0.675*PTS,fps=15" -c:v rawvideo -pix_fmt rgb565 -f rawvideo output.raw

   crop=960:672:160:24 -> Video crop
   scale=240:168 -> Video resize
   setpts=0.675*PTS,fps=15 -> Optimize for ESP32 playback performance

* Audio
   ffmpeg -i source.mp4 -vn -acodec pcm_s16le -ar 22050 -ac 1 -t 10.0 -filter:a "volume=2.0" output.wav