A Tiny ESP32 Handheld NES Emulator for the ESP32

Published at : 23 Dec 2025

A Tiny ESP32 Handheld NES Emulator
Requirements: ESP32 , ST7789 LCD, MICROSD CARD slot, PCM5102 I2S AUDIO MODULE, OTHER PARTS...

if you enjoyed those videos, then please subscribe to my channel which I update every week
👉 Subscribers : https://bit.ly/2EpEwrU


+++++++++++++++
++ FEATURES: +
+++++++++++++++
MicroSD card support
240*240 1.3" LCD ST7789 display
I2S AUDIO support PCM5102 module
huge NES ROMs up to 512kB (read from FLASH)

==========
= Required =
==========
□ ESP32 Development Board
□ Using 7 push Buttons Switches
□ 240*240 1.3" LCD ST7789 display
□ PCM5102 I2S AUDIO MODULE,
□ MICROSD CARD slot,

=========================
= Schematic is pretty simple: =
=========================

AUDIO i2S ======= TO ======== ESP32
I2S_BCK_IO //BCK ---------------------- (GPIO 27)
I2S_WS_IO //LCK ------------------------(GPIO 32)
I2S_DO_IO //DIN ------------------------- (GPIO 25)

Micro SD Card ========= TO ======= ESP32
SD_MOSI_PIN -------------------------------------- (GPIO 17)
SD_MISO_PIN ---------------------------------------(GPIO 16)
SD_SCK_PIN -----------------------------------------(GPIO 21)
SD_CS_PIN -------------------------------------------(GPIO 22)

NES FOLDER ("/NES/") where to place the NES ROMs

Buttons ========== ESP32
ALL Buttons 5V ----- TO ------ ESP32 PINs --TO --10ohm resistor ---- GND
5V ------- Button UP ------------- 39 //SVN ----/|/\1k Ohm /\/\/\------ GND
5V ------- Button DOWN ---------- 35 //IO35 ----/|/\1k Ohm /\/\/\------ GND
5V ------- Button LEFT ------------ 36 //SVP. ----/|/\1k Ohm /\/\/\------ GND
5V ------- Button RIGHT ---------- 34 //IO34. ----/|/\1k Ohm /\/\/\------ GND
5V ------- Button A ---------------- 2 //IO2. ----/|/\1k Ohm /\/\/\------ GND
5V ------- Button B ---------------- 14 //TMS. ----/|/\1k Ohm /\/\/\------ GND
5V ------- Button START ---------- 15 //TDO. ----/|/\1k Ohm /\/\/\------ GND
5V ------- Button SELECT --------- 13 //TCK ----/|/\1k Ohm /\/\/\------ GND


============
= VIDEO OUT =
============
GPIO26 ------- VIDEO OUT -------- GND

===========================
= The Source-Code here: =
===========================
https://github.com/Djamal-UK/NesCat/archive/main.zip


#esp32_arduino #esp32_nintendo_emulator #esp32_snes_emulator


------------------------------------------------------------------------

About Social Media, Business, and Blogging

------------------------------------------------------------------------



https://www.youtube.com/djamaluk

https://www.facebook.com/Djamal.UK

https://twitter.com/DjamalUK

https://Djamal.UK





Code and Schematic OR Any Questions Please let me know in the comment section below







Thank you everyone for stopping by my youtube channel I would love to hear from you, so leave a comment to let me know you were here!