ESP32-S3-Box

Development Board

Code name: ESP32_S3_BOX

ESP32S3

ESP32-S3-Box is a development board based on the ESP32S3 microcontroller using XTENSA architecture.

This board features a maximum CPU frequency of 240 MHz and 16MB flash memory.

About ESP32-S3-Box

Feature-rich ESP32-S3 board with screen, mic, and AI support - perfect for voice interfaces, smart hubs, and demos.

Where to Buy ESP32-S3-Box

Amazon.com Ships worldwide

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Amazon.de Ships to EU

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AliExpress Best value

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Prices are subject to change. We earn from qualifying purchases as an Amazon Associate.

Technical Specifications

Complete technical specification details for ESP32-S3-Box

Display

Type LCD

Size 2.4"

Resolution 320x240

Touch Screen Other

Connectivity

WiFi 802.11 b/g/n (2.4 GHz)

Bluetooth 5.0

BLE 5.0

Microcontroller

Model esp32s3

Clock Speed 240 MHz

Flash Size 16MB

Architecture xtensa

✨ Features & Pins

Digital IO 48

Analog Input 20

PWM 25

Interrupts 46

Download Full Datasheet

Quick Setup

Copy-paste configs for ESP32-S3-Box - auto‑generated from this board's exact hardware specs.

ESP32S3 240 MHz 16MB DIO Xtensa

In Arduino IDE 2 select Esp32 S3 Box from the esp32 by Espressif package. In PlatformIO use board = esp32-s3-devkitm-1. ESP32S3 · 240 MHz · 16MB · DIO.

Tools menu settings

Board (select in Arduino IDE) Esp32 S3 Box

CPU Frequency 240 MHz

Flash Size 16MB

Flash Mode DIO

Upload Speed 921600

Architecture Xtensa

In Arduino IDE 2, open Boards Manager, search "esp32" by Espressif and install it. Then go to Tools → Board and select "Esp32 S3 Box" for the ESP32-S3-Box.

platformio.ini


[env:esp32s3box]
platform  = espressif32
board     = esp32-s3-devkitm-1
framework = arduino

; Exact hardware config for ESP32-S3-Box
board_build.mcu        = esp32s3
board_build.f_cpu      = 240000000L
board_build.flash_size = 16MB
board_build.flash_mode = dio
board_upload.flash_size = 16MB

The board value is a close generic match - check PlatformIO board registry for an exact fit.

esp32: block (YAML)


esp32:
  board: esp32-s3-devkitc-1
  framework:
    type: arduino   # or "esp-idf"

# ESP32-S3-Box - 240 MHz ESP32S3
# Flash: 16MB | USB: N/A

Paste into your device's .yaml. See ESPHome ESP32 docs for full options.

esptool.py - flash command


esptool.py \
  --chip esp32s3 \
  --baud 921600 \
  write_flash \
    --flash_mode dio \
    --flash_size 16MB \
    0x0 bootloader.bin \
    0x8000    partitions.bin \
    0xe000    boot_app0.bin \
    0x10000   firmware.bin

Install: pip install esptool - replace firmware.bin with your binary - bootloader at 0x0

ESP32-S3-Box Pinout Diagram

Complete pin reference for ESP32-S3-Box

Useful Links

Datasheets and resources for ESP32-S3-Box

Board Datasheet

Technical specifications

ESP32S3 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for ESP32-S3-Box

Digital I/O Pins

Interrupt Pins

Analog Inputs

PWM Pins

Pin	Analog	Touch	PWM	Other
0				TFT_MISO
1			PWM	MUTE_PIN
2			PWM	I2S_MCLK
3			PWM	TS_IRQ
4			PWM	TFT_DC
5			PWM	TFT_CS
6			PWM	TFT_MOSI
7			PWM	TFT_CLK
8			PWM	I2C_SDA
9	A8	T9	PWM
10	A9	T10	PWM	SS
11	A10	T11	PWM	MOSI
12	A11	T12	PWM	SCK
13	A12	T13	PWM	MISO
14	A13	T14	PWM
15			PWM	I2S_DOUT
16			PWM	I2S_SDIN
17			PWM	I2S_SCLK
18			PWM	I2C_SCL
40			PWM	SCL
41			PWM	SDA
43			PWM	TX
44			PWM	RX
45			PWM	TFT_BL
46
47				I2S_LRCK
48				TFT_RST
0x40				ES7210_ADDR
0x18			PWM	ES8311_ADDR
0x68				ICM42607P_ADDR
0x24			PWM	TT21100_ADDR

Legend

A0 Analog input

T0 Touch sensor

PWM PWM capable

RX/TX Serial pins

LED Built-in LED

# Pin number

Default Tools & Configuration

Build and upload settings for ESP32-S3-Box

Setting	Value
Bootloader tool	esptool_py
Uploader tool	esptool_py
Network uploader tool	esp_ota
Bootloader address	`0x0`
Flash mode	dio
Boot mode	qio
Maximum upload size	1280 KB (1310720 bytes)
Maximum data size	320 KB (327680 bytes)