Revision as of 14:22, 4 February 2026

Product image

Product introduction

Using ESP32-S3 chip, convenient development, and sufficient development resources.
3.5-inch color screen with a resolution of 320*480, supporting up to RGB888, offering a rich display colors.
Rich interfaces, convenient to connect various peripherals (IIC, UART, etc.)
Support external speakers, built-in microphone, can play and receive audio
Equipped with RGB three-color indicator lights, the status indication is rich.
Integrated display and touch, with built-in capacitive touch screen, convenient for human-machine interaction.
Standard TYPE-C interface, convenient for program download and power supply
Built-in micro TF card slot, convenient for storage expansion
Support external lithium battery, lightweight and portable
Built-in battery charging management circuit ensures safe battery charging and discharging.
Provide a wealth of example programs for easy learning.
Provide underlying technical support for driving, and update WIKI materials online.
The module aging test can reach military-grade standards with multiple detections, supporting long-term stable operation.
Support for Xiaozhi AI voice chat;

Product parameters

ESP32 main control parameters

Name	parameter
Module	ESP32-S3
CPU	Xtensa LX7 32-bit dual-core processor
Clock frequency	240MHz（MAX）
Storage	384 KB ROM + 512KB SRAM +16 KB RTC SRAM + 8M OPI PSRAM + 16M QSPI Flash （N16R8）
WIFI	2.4GHz、802.11b/g/n
Bluetooth	Bluetooth V5.0 BR/EDR and Bluetooth LE standard
Working voltage	3.0~3.6(V)

Display touch integrated LCD screen parameters

Name	Parameters
Screen size	3.5 inch
Screen type	IPS TFT
Screen resolution	320xRGBx480(pixels)
Effective display area	48.96(W)x73.44(H)
Number of colors	MAX：16M（RGB888） TYP：65K（RGB565
Driver IC	ST77922
Display interface	QSPI(Received on ESP32-S3)
像素尺寸	0.153(H)x0.153(mm)
Viewing angle	ALL 0’CLOCK
Back brightness (typical value)	280 cd/m²
Backlight lamp type	White LED*6
Effective touch area	54.50(W)x83.00(H)(mm)
Touch screen type	Capacitive touch screen
resolution	240x320(pixels)
Visible window size	49.96±0.15(W)x74.44±0.15(H)(mm)
Communication interface	IIC
Operating temperature	-30~80(℃)
Storage temperature	-30~80(℃)

Size Parameters

Name	Parameters
LCD screen size	50.00±0.2(W)x69.20±0.2(H)x2.3±0.1(D)（mm）
TOUCH screen size	50.00±0.2(W)x69.20±0.2(H)x1.20 (D) ±0.1(D)(mm)
Module size	50.00(W)x86.00(H)x10.60(D)(mm)

Battery charging parameters

Name	Parameters
Charging voltage	Range: 4.2~6.5 Typical value: 5.0
Charging current	Maximum value: 500mA Module actual: 290mA
Charging saturation voltage	4.24V
Charging temperature	Module actual maximum value: 62℃
Charging battery specifications	3.7V lithium polymer battery

Electrical Parameters

Name	Parameters
Working voltage	5.0V
Backlight current	79mA
Backlight brightness (actual value)	300cd/m²
Total current	ESP32复位：0 只有显示屏工作：140mA 显示屏、喇叭、电池充电都工作：
Supported speaker power (max)	0.7（只有显示屏工作） 2.8（显示屏，喇叭，电池充电都工作）

Basic Parameters

Name	Parameters
SKU	The product comes with a speaker：ES3C35P Product does not come with a speaker：ES3C35P-NS
供电接口	USB(Type-C)
重量（包含包装）

PRODUCT INTERFACE

Interface Function Description

Interface name	Function Description
ESP32-S3	Main control of the display module, working together with the peripheral circuit, is used to control on-board peripherals and external peripherals.
MicroSD card slot	Insert a SD card to expand storage space, such as storing large data content such as font libraries, images, audio files, etc.
RGB tricolor light	Contains LEDs of three colors: red, green, blue. It has a built-in control IC and only needs one IO port to control. It can be used for LED testing and status indication.
Serial port	1.25mm4P socket. It can be used for serial port debugging, downloading, and communication. An external USB to serial port module is required.
Battery interface	1.25mm 2P socket. Used to connect to a 3.7V polymer lithium battery, charge the battery through the battery management circuit, and can also be used for battery power supply. Note the positive and negative terminals of the interface.
BOOT button	Used to enter the download mode or key test. Press and this key to power up, then release to enter the download mode, or after powering up, press and hold this key, then press the RESET key, release the RES key and then release this key, you can also enter the download mode. When you don't need to enter the download mode, this key can be used as a normal key
TYPE-C interface	It is used for module power supply and program download, debugging. This interface is connected to the internal USB bus of ESP32-S3, which can generate a USB serial port. Note: win10 and above systems support USB virtual serial port function. If you use this interface on other versions of the system, you need to solve the problem USB virtual serial port not working by yourself.
RESET button	For ESP32-S3 main control and LCD reset, press to reset low level.
Expansion pin	1.25mm 4P socket. Two pins are GPIO45, GPIO46. It can be used to connect other peripherals.
Loudspeaker interface	1.25mm P socket. Used to connect the speaker to play audio. Used to connect the speaker to play audio (maximum support 1.5W (8Ω) or 2W4Ω) speaker).
I2C peripheral interface	Downward-facing MEMS silicon microphone. Used to capture external sound. Can be used for those projects that require audio input function.

ESP32引脚分配

Device	ESP32-S3 pin	pin allocation
LCD	IO10	LCD screen chip select control signal, low level active
	IO12	LCD QSPI bus clock signal
	IO12	液晶屏SPI总线时钟信号
	IO11	液晶屏QSPI数据总线D0
	IO13	液晶屏QSPI数据总线D1
	IO14	液晶屏QSPI数据总线D2
	IO9	液晶屏QSPI数据总线D3
	EN	液晶屏复位控制信号，低电平复位（和ESP32-32E主控共用复位引脚）
	IO41	液晶屏背光控制信号（高电平点亮背光，低电平关闭背光）
电容触摸屏	IO38	电容触摸屏I2C总线数据信号
	IO39	电容触摸屏I2C总线时钟信号
	IO48	电容触摸屏复位控制信号，低电平复位
	IO47	电容触摸屏中断输入信号，发生触摸事件时，输入低电平
RGB三色灯	IO40	单线RGB三色LED灯，可以根据不同信号分别控制内部的红绿蓝三种灯珠
MicroSD 卡	IO5	SD卡SDIO总线时钟信号
	IO4	SD卡SDIO总线命令信号
	IO6/7/2/3	SD卡SDIO总线数据信号（DATA0~DATA3四根数据线）
音频	IO1	音频使能信号，低电平使能，高电平禁止
	IO17	音频I2S总线主时钟信号
	IO18	音频I2S总线位时钟信号
	IO16	音频I2S总线位输出数据信号
	IO21	音频I2S总线左右声道选择信号。高电平：右声道；低电平：左声道
	IO15	音频I2S总线位输入数据信号
	IO38	音频编解码IC的I2C总线数据信号（和电容触摸屏以及扩展I2C共用）
	IO39	音频编解码IC的I2C总线时钟信号（和电容触摸屏以及扩展I2C共用）
按键	IO0	下载模式选择按键（按住该按键上电，然后松开就会进入下载模式）
按键	EN	ESP32-S3复位按键，低电平复位（和液晶屏复位共用）
串口	RXD0(IO43)	ESP32-S3串口接收信号（如果不使用串口，可做普通IO使用）
串口	TXD0(IO44)	ESP32-S3串口发送信号（如果不使用串口，可做普通IO使用）
电池	IO8	电池电压ADC值获取信号（输入）
拓展接口	IO45	可做普通IO使用
	IO46	可做普通IO使用
	GND	接地
	VCC	3.3V供电
IIC外设扩展接口	IO38	I2C总线数据信号
IIC外设扩展接口	IO39	I2C总线时钟信号

快速使用说明

3.5寸ESP32-S3显示模块快速使用资料包

3.5寸ESP32-S3显示模块快速使用说明

在本产品上部署小智AI的使用说明

资料包下载

2.8寸ESP32-S3-ILI9341驱动显示模块资料包(提取码：yvne)

产品文档

规格书

产品规格书

2.8寸ESP32-S3显示模块产品规格书

液晶屏规格书

2.8寸QD2803屏规格书

用户手册

3.5寸ESP32-S3显示模块用户手册

尺寸图

ES3C35P显示模块尺寸图

3D图

ES3C28P显示模块3D图

ES3N28P显示模块3D图

原理图

3.5inch_ESP32-S3显示模块硬件原理图

IO资源分配表

ESP32-S3芯片IO资源分配表

封装库

2.8inch_IPS_ESP32-S3_Display_AD封装库

参考资料

开发环境搭建

ESP32 Arduino IDE开发环境搭建说明

ESP32 MicroPython开发环境搭建说明

ESP32 ESP-IDF使用VSCODE开发环境搭建说明

ESP32 ESP-IDF LVGL移植说明

示例代码说明

数据手册

工具软件

Flash_Download_Tool（官方下载） Flash_Download_Tool

@@ Line 164: / Line 164: @@
 ! align="center" |'''<big>Parameters</big>'''
 |-
-| align="center" |'''工作电压'''
+| align="center" |'''Working voltage'''
 | align="center" |5.0V
 |-
-| align="center" |'''背光电流'''
+| align="center" |'''Backlight current'''
 | align="center" |79mA
 |-
-| align="center" |'''背光亮度(实际值)'''
+| align="center" |'''Backlight brightness (actual value)'''
 | align="center" |300cd/m<sup>2</sup>
 |-
-| align="center" |'''总电流'''
+| align="center" |'''Total current'''
 | align="center" |ESP32复位：0
 只有显示屏工作：140mA
 显示屏、喇叭、电池充电都工作：
 |-
-| align="center" |'''功耗'''
+| align="center" |'''Supported speaker power (max)'''
 | align="center" |0.7（只有显示屏工作）
 .8（显示屏，喇叭，电池充电都工作）
 |}
-== 基本参数 ==
+== Basic Parameters ==
 {| class="wikitable prettytable"
 ! align="center" |'''<big>Name</big>'''
@@ Line 189: / Line 189: @@
 |-
 | align="center" |'''SKU'''
-| align="center" |带喇叭：ES3C35P
+| align="center" |The product comes with a speaker：ES3C35P
-无喇叭：ES3C35P-NS
+Product does not come with a speaker：ES3C35P-NS
 |-
 | align="center" |'''供电接口'''
@@ Line 199: / Line 199: @@
 |}
-= 接口定义 =
+= PRODUCT INTERFACE =
 [[File:ESC35P-1.png|956x956px]]
-== 接口功能说明 ==
+== Interface Function Description ==
 {| class="wikitable prettytable"
-! align="center" |'''<big>接口</big>'''
+! align="center" |'''<big>Interface name</big>'''
-! align="center" |'''<big>功能说明</big>'''
+! align="center" |'''<big>Function Description</big>'''
 |-
 | align="center" |'''ESP32-S3'''
-|显示模块主控，控制板载外设和外接外设。
+|Main control of the display module, working together with the peripheral circuit, is used to control on-board peripherals and external peripherals.
 |-
-| align="center" |'''MicroSD卡槽'''
+| align="center" |'''MicroSD card slot'''
-|插入Micro SD卡，用来扩展存储空间，例如存放字库、图片、音频文件等大数据内容。
+|Insert a SD card to expand storage space, such as storing large data content such as font libraries, images, audio files, etc.
 |-
-| align="center" |'''RGB三色灯'''
+| align="center" |'''RGB tricolor light'''
-|包含红、绿、蓝三种颜色的LED灯，只需一个IO控制，用来指示状态。
+|Contains LEDs of three colors: red, green, blue. It has a built-in control IC and only needs one IO port to control. It can be used for LED testing and status indication.
 |-
-| align="center" |'''串口'''
+| align="center" |'''Serial port'''
-|1.25mm  4P座子。可用于串口调试、下载以及通信。需外接USB转串口模块。
+|1.25mm4P socket. It can be used for serial port debugging, downloading, and communication. An external USB to serial port module is required.
 |-
-| align="center" |'''电池接口'''
+| align="center" |'''Battery interface'''
-|1.25mm 2P座子，用于接入3.7V聚合锂电池，
+|1.25mm 2P socket. Used to connect to a 3.7V polymer lithium battery, charge the battery through the battery management circuit, and can also be used for battery power supply. Note the positive and negative terminals of the interface.
-通过电池充电管理电路对电池进行充电，也可用于电池供电。 注意接口正、负极。
 |-
-| align="center" |'''BOOT按键'''
+| align="center" |'''BOOT button'''
-|用于进入下载模式或者按键测试。
+|Used to enter the download mode or key test. Press and this key to power up, then release to enter the download mode, or after powering up, press and hold this key, then press the RESET key, release the RES key and then release this key, you can also enter the download mode. When you don't need to enter the download mode, this key can be used as a normal key
-按住此按键上电，然后松开可进入下载模式，
-或者上电后，按住此按键，再按RESET键，
-松开RESET键后，再松开此按键，也可以进下载模式。
-不需要进入下载模式时，此按键可做普通按键使用。
 |-
-| align="center" |'''TYPE-C接口'''
+| align="center" |'''TYPE-C interface'''
-|用于模块供电和下载程序。此接口使用USB直连（无需按BOOT键）。
+|It is used for module power supply and program download, debugging. This interface is connected to the internal USB bus of ESP32-S3, which can generate a USB serial port. Note: win10 and above systems support USB virtual serial port function. If you use this interface on other versions of the system, you need to solve the problem USB virtual serial port not working by yourself.
 |-
-| align="center" |'''RESET按键'''
+| align="center" |'''RESET button'''
-|用于ESP32主控以及LCD复位，按下后电平复位。
+|For ESP32-S3 main control and LCD reset, press to reset low level.
 |-
-| align="center" |'''扩展输入引脚'''
+| align="center" |'''Expansion pin'''
-|1.25mm 4P座子。引出GPIO45/46引脚
+|1.25mm 4P socket. Two pins are GPIO45, GPIO46. It can be used to connect other peripherals.
 |-
-| align="center" |'''喇叭接口'''
+| align="center" |'''Loudspeaker interface'''
-|1.25mm 2P座子。用于接入喇叭播放音频。
+|1.25mm P socket. Used to connect the speaker to play audio. Used to connect the speaker to play audio (maximum support 1.5W (8Ω) or 2W4Ω) speaker).
 |-
-| align="center" |'''IIC外设接口'''
+| align="center" |'''I2C peripheral interface'''
-|1.25mm 4P座子。用于外接IIC通信设备，此IIC接口和电容触摸屏共用。可做普通IO使用。
+|Downward-facing MEMS silicon microphone. Used to capture external sound. Can be used for those projects that require audio input function.
 |}
 == ESP32引脚分配 ==
 {| class="wikitable prettytable"
-! align="center" |'''板载设备'''
+! align="center" |'''Device'''
-! align="center" |'''ESP32连接引脚'''
+! align="center" |'''ESP32-S3 pin'''
-! align="center" |'''板载设备引脚说明'''
+! align="center" |'''pin allocation'''
 |-
-| rowspan="9" align="center" |'''液晶屏'''
+| rowspan="9" align="center" |'''LCD'''
 | align="center" |IO10
-|液晶屏片选控制信号，低电平有效
+|LCD screen chip select control signal, low level active
 |-
 | align="center" |IO12
-|液晶屏QSPI总线时钟信号
+|LCD QSPI bus clock signal
 |-
 | align="center" |IO12