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2.4inch ESP32-32E Display: Difference between revisions

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|-
|-
| align="center" |'''Charging Saturation Voltage'''
| align="center" |'''Charging Saturation Voltage'''
| align="center" |4.24V
| align="center" |4.2V
|-
|-
| align="center" |'''Charging Temperature'''
| align="center" |'''Charging Temperature'''
Line 168: Line 168:
| align="center" |'''Rechargeable Battery Specifications'''
| align="center" |'''Rechargeable Battery Specifications'''
| align="center" |3.7V polymer lithium battery
| align="center" |3.7V polymer lithium battery
|}
== Electrical Parameters ==
{| class="wikitable prettytable"
! align="center" |'''<big>Name</big>'''
! align="center" |'''<big>Parameter</big>'''
|-
| align="center" |'''Working Voltage'''
| align="center" |5.0V
|-
| align="center" |'''Backlight Current'''
| align="center" |78.5mA
|-
| align="center" |'''Total Current'''
| align="center" |ESP32 reset: 30
Only the display works: 148
Display, speaker, battery charging all work: 413
|-
| align="center" |'''Power'''
| align="center" |0.74W(Display only works)
|}
|}


Line 207: Line 186:


= Interface Definition =
= Interface Definition =
[[File:E32R24P_Inteface Define.png|714x714px]]
[[File:E32R24P_Inteface_define.png|714x714px]]


== Interface Function Description ==
== Interface Function Description ==
Line 217: Line 196:
|Display module main control,control board peripheral and external peripheral.
|Display module main control,control board peripheral and external peripheral.
|-
|-
| align="center" |'''MicroSD card slot'''
| align="center" |'''SD card slot'''
|A MicroSD card is inserted to expand the storage space for storing
|A MicroSD card is inserted to expand the storage space for storing
large data such as characters, pictures, and audio files.
large data such as characters, pictures, and audio files.
|-
|-
| align="center" |'''RGB LED'''
| align="center" |'''RGB three-color light'''
|Contains red, green, blue three colors of LED lights, each light can be controlled by IO,
|Contains red, green, blue three colors of LED lights, each light can be controlled by IO,
used to indicate the status.
used to indicate the status.
|-
|-
| align="center" |'''Serial port'''
| align="center" |'''serial port'''
|1.25mm 4P connector.It can be used for serial debugging, downloading,
|1.25mm 4P connector.It can be used for serial debugging, downloading,
and communication. An external USB to serial port module is required.
and communication. An external USB to serial port module is required.
Line 237: Line 216:
Note the positive and negative terminals of the interface.
Note the positive and negative terminals of the interface.
|-
|-
| align="center" |'''BOOT Key'''
| align="center" |'''BOOT KEY'''
|Used to enter download mode or key test.
|Used to enter download mode or key test.
Press and hold this button to power on and release it to enter the download mode.
Press and hold this button to power on and release it to enter the download mode.
Line 253: Line 232:
which can automatically enter the download mode (without pressing the BOOT key).
which can automatically enter the download mode (without pressing the BOOT key).
|-
|-
| align="center" |'''RESET Key'''
| align="center" |'''RESET KEY'''
|Used for ESP32 master control and LCD reset, level reset after pressing.
|Used for ESP32 master control and LCD reset, level reset after pressing.
|-
|-
| align="center" |'''Expand Pin'''
| align="center" |'''Expansion Pins'''
|1.25mm 2P connector. Lead out GND, 3.3V, and IO35 pins,  
|1.25mm 2P connector. Lead out GND, 3.3V, and IO35 pins,  
of which IO35 can only be used as the input pin.
of which IO35 can only be used as the input pin.
Line 405: Line 384:


==== Download the data package  ====
==== Download the data package  ====
[[File:Zip-001.png|24x24px]]  [https://pan.baidu.com/s/13ssdIvqQFy4fEpVC_30JEQ?pwd=4e3r  '''2.4寸ESP32-32E-ST7789 LCD Module Data package(Extract code:4e3r)''']
[[File:Zip-001.png|24x24px]]  [https://pan.baidu.com/s/1ByoweCTZyFA0_o46JfQFkQ?pwd=h8hh '''2.4inch ESP32-32E-ST7789 LCD Module Data package(Extract code:h8hh)''']


= Product Documentation =
= Product Documentation =
Line 412: Line 391:


==== Product Specification ====
==== Product Specification ====
[[File:Pdf-001.jpg|24x24px]]  '''[[:en:res/E32R24P/E32R24P_Specification_V1.0.pdf|2.4-inch ESP32-32E display module Specification]]'''
[[File:Pdf-001.jpg|24x24px]]  '''[[:en:res/E32R24P/E32R24P_Specification_V1.1.pdf|2.4-inch ESP32-32E display module Specification]]'''


==== LCD Specifications ====
==== LCD Specifications ====
[[File:Pdf-001.jpg|24x24px]]  '''[[:en:res/E32R24P/2.4screen-size.pdf|2.4-inch screen specification]]'''
[[File:Pdf-001.jpg|24x24px]]  '''[[:en:res/E32R24P/esp32_2.4screen-size.pdf|2.4-inch screen specification]]'''


== User Manual ==
== User Manual ==

Latest revision as of 09:13, 17 April 2026

Product Picture


Product Description

  • Comes with ESP32-32E module, easy development, sufficient development resources
  • 2.4-inch color screen, 240x320 resolution ,the maximum support is 262K color (RGB666), display rich color
  • Rich interface, easy to connect a variety of peripherals (SPI, UART,etc.)
  • Supports external speakers to play audio
  • Comes with RGB three-color indicator, indicating rich status
  • Comes with resistive touch screen, easy man-machine interaction
  • Standard TYPE-C interface for easy program download and power supply
  • Equipped with micro TF card slot for easy storage expansion
  • Support external lithium battery, lightweight and portable
  • Equipped with battery charging management circuit to ensure safe battery charging and discharging
  • Provide rich example learning programs, easy to learn
  • Provide low-level driver technical support, and update WIKI information online
  • Multiple tests for module aging can meet military level standards, supporting long-term stable work

Product Parameters

ESP32 Parameters

Name Parameter
Module ESP32-32E
CPU ESP32-D0WD-V3,Xtensa dual-core 32-bit LX6 microprocessor
Frequency 240MHz(Max)
Memory 448KB ROM+520KB SRAM+16KB RTC SRAM+4MB external QSPI Flash
WIFI 2.4GHz and 802.11b/g/n modes
Bluetooth Bluetooth V4.2BR /EDR and Bluetooth LE standards
Operating Voltage 3.0~3.6(V)

LCD Parameters

Name Parameter
Panel Size 2.4 inch
Panel Type IPS TFT
Resolution 240xRGBx320(pixels)
Active Area 36.20(W)x49.0(H)
Number of Colors Max: 262K(RGB666)

Common: 65K(RGB565)

Driver IC ST7789
Display Interface 4-Line SPI(Connect to ESP32)
Pixel Size 0.15(H)x0.15(mm)
View Angle ALL’CLOCK
Brightness(TYP) 220 cd/m2
Backlight Type White LED*4
Operation Temperature -20~60(℃)
Storage Temperature -30~70(℃)

Touch Screen Parameters

Name Parameter
Touch Active Area 2.4 inch
Touch Screen Type Resistive touch screen
Driver IC XPT2046
Touch Screen Visual Area 38.36(W)x50.70(H)(mm)
Communication Interface SPI
Material ITO film +ITO glass
Operation Temperature -20~60(℃)
Storage Temperature -30~70(℃)

Size Parameters

Name Parameter
LCD Outline Size 42.6±0.2(W)x60±0.2(H)x2.34±0.1(D)(mm)

(Excluding cables and adhesive backing)

Touch Screen Outline Size 42.60±0.2(W)x57.25±0.2(H)x1.0 (D)(mm)

(Excluding cables and adhesive backing)

Module Outline Size 42.89(W)x74.33(H)x5.44(D)(mm)

Battery Charging Parameters

Name Parameter
Charging Voltage Range: 4.2 to 6.5

Typical value: 5

Charging Current Max: 500

Module Actual value: 367

Charging Saturation Voltage 4.2V
Charging Temperature Module maximum value:62℃
Rechargeable Battery Specifications 3.7V polymer lithium battery

Basic Parameters

Name Parameter
SKU E32R24P
Power Supply Interface TYPE-C
Weight(including package) 90g

Interface Definition

Interface Function Description

Interface Name Function Description
ESP32-32E Module Display module main control,control board peripheral and external peripheral.
SD card slot A MicroSD card is inserted to expand the storage space for storing

large data such as characters, pictures, and audio files.

RGB three-color light Contains red, green, blue three colors of LED lights, each light can be controlled by IO,

used to indicate the status.

serial port 1.25mm 4P connector.It can be used for serial debugging, downloading,

and communication. An external USB to serial port module is required.

Battery Interface 1.25mm 2P connector.Used to connect 3.7V polymer lithium battery,

charge the battery through the battery charge management circuit,

can also be used for battery power supply.

Note the positive and negative terminals of the interface.

BOOT KEY Used to enter download mode or key test.

Press and hold this button to power on and release it to enter the download mode.

Alternatively, press and hold this button and then press the RESET button to release the

RESET button and then release this button to enter the download mode.

When you do not need to enter the download mode, this button can be used as a common button.

Type-C Interface Used for module power supply and download programs.

This interface is connected to the one-click download circuit on the module,

which can automatically enter the download mode (without pressing the BOOT key).

RESET KEY Used for ESP32 master control and LCD reset, level reset after pressing.
Expansion Pins 1.25mm 2P connector. Lead out GND, 3.3V, and IO35 pins,

of which IO35 can only be used as the input pin.

Speaker Interface 1.25mm 2P connector. Used to access the speaker to play audio.
SPI peripheral interface 1.25mm 4P connector. For external connection to devices that use IIC communication.

It can be used as ordinary IO.

ESP32 Pin Assignment

Onboard Equipment ESP32 Connect Pins Pin Description of Onboard Equipment
LCD IO15 LCD screen selection control signal, low level effective
IO2 LCD command/data selection control signal

High Level:data,low Level:command

IO14 LCD SPI bus clock signal
IO13 LCD SPI bus write data signal
EN LCD reset control signal, low level reset(share reset pin with ESP32-32E master)
IO21 LCD backlight control signal(high level backlight on, low level backlight off)
Resistive Touch Screen IO25 Resistive touch screen SPI bus clock signal
IO32 Resistive touch screen SPI bus write data signal
IO39 Resistive touch screen SPI bus read data signal
IO33 Resistive touch screen chip selection control signal,low level effective
IO36 Resistive touch screen touch interrupt signal,

generates touch when input low level to master

RGB Three-color Light IO22 Red LED light(common anode, low level on, high level off)
IO16 Green LED light(common anode, low level on, high level off)
IO17 Blue LED light(common anode, low level on, high level off)
MicroSD 卡 IO5 SD card select signal,low level effective
IO23 SD card SPI bus write data signal

(shared by MicroSD card and SPI peripheral)

IO18 SD card SPI bus clock signal

(shared by MicroSD card and SPI peripheral)

IO19 SD card SPI bus read data signal

(shared by MicroSD card and SPI peripheral)

Audio IO4 Audio enable signal,low level enable,high level disable
IO26 Audio signal DAC output signal
KEY IO0 Download mode Select button

(Press and hold the button to power on, then release to enter download mode)

EN ESP32-23E reset button, low level reset(shared with LCD reset)
Serial Port RXD0(IO3) ESP32-32E serial port receiving signal

(if the serial port is not used, it can be used as ordinary IO)

TXD0(IO1) ESP32-32E serial port sends signals

(if the serial port is not used, it can be used as ordinary IO)

Battery IO34 Battery voltage ADC value Get Signal (input)
SPI Peripheral IO27 SPI peripheral chip selection signal, low level effective

(if the SPI device is not used, it can be used for ordinary IO)

IO18 SPI bus clock pin for SPI peripherals

(SPI peripherals are shared with MicroSD cards,

if SPI devices or SD cards are not used, ordinary IO can be used)

IO19 The SPI bus read data pin of the SPI peripheral

(SPI peripherals are shared with MicroSD cards,

if SPI devices or SD cards are not used, ordinary IO can be used)

IO23 The SPI bus of the SPI peripheral writes data pins

(SPI peripherals are shared with MicroSD cards,

if SPI devices or SD cards are not used, ordinary IO can be used)

NC IO35 It can only be used as input IO

Quick Start Instructions

2.4-inch ESP32-32E display module Quick_Start Package

2.4-inch ESP32-32E display module Qucik Start

Data Pack Download

Download the data package

2.4inch ESP32-32E-ST7789 LCD Module Data package(Extract code:h8hh)

Product Documentation

Specification

Product Specification

2.4-inch ESP32-32E display module Specification

LCD Specifications

2.4-inch screen specification

User Manual

2.4-inch ESP32-32E display module User Manual

Dimension Drawing

E32R24P display module dimensions

3D Drawing

E32R24P display module 3D image

Schematic

2.4-inch ESP32-32E display module Schematic diagram

IO Resource Allocation Table

ESP32 IO resource allocation table

Package Library

2.4-inch ESP32-32E display module AD package library

LCD Initialization Code

ST7789 initialization code

Reference Materials

Development environment construction

Arduino IDE1 development environment construction for ESP32

Arduino IDE2 development environment construction for ESP32

MicroPython development environment construction for ESP32

ESP-IDF using VSCODE development environment construction for ESP32

ESP-IDF LVGL porting construction for ESP32

Demo Instructions

2.4-inch ESP32-32E display module Arduino Demo Instructions

2.4-inch ESP32-32E display module MicroPython Demo Instructions

2.4-inch ESP32-32E display module ESP-IDF Demo Instructions

Datasheet

ST7789 Datasheet

XPT2046 Datasheet

ESP32 chip Datasheet

ESP32-32E Module Datasheet

ESP32 hardware design guidelines

ESP32 technical reference manual

Battery Charging Management TP4054 Datasheet

Regulator ME6217 Datasheet

Audio amplifier FM8002E Datasheet

USB to serial port CH340C Datasheet

Chinese and English display modulo settings

Tool Software

Flash_Download_Tool(Official website download) Flash_Download_Tool

JPGCompact

TCP_UDP test tool

USB-SERIAL_CH340

Serial debugging assistant

Network debugging assistant

esptouch

PCtoLCD2002

Image2Lcd