ESP32-2432S0248R-PLUS

Name: ESP32-2432S028R-PLUS Development Board
Brand: ZLX
SKU: ZLX-ESP32-1

ESP32-WROOM-32E module · 2.8 inch resistive touch screen

2.4GHz Wi‑FiBluetooth / BLEST7789 LCDBGR InitializationXPT2046 TouchUSB Type‑CTF Card Slot

ESP32-2432S0248R-PLUS 2.8-inch resistive touch screen dimensions — Product Size: 86mm × 50mm, 2.8-inch Resistive Touch Screen

Product Overview

ESP32-2432S0248R-PLUS is a ESP32-WROOM-32E The 2.8-inch color touch screen development board developed by the wireless communication module integrates LCD display, XPT2046 resistive touch, Type-C, TF card, RGB indicator, serial port and expansion interface.

ESP32-2432S0248R-PLUS is a 2.8-inch touch display development board based on the ESP32-WROOM-32E wireless module, integrating LCD display, XPT2046 resistive touch, Type-C, TF card, RGB LED, UART and expansion ports.

Scenarios/Applications

It is suitable for IoT control terminals, smart home control panels, industrial data display, sensor acquisition and display, teaching experiments, Wi ‑ Fi/Bluetooth interactive interfaces and other projects.

Suitable for IoT terminals, smart home panels, industrial data display, sensor monitoring, education, and Wi‑Fi / Bluetooth HMI projects.

Interface Callout/Interface Layout

Customer Presentation Chart in Chinese and English

ESP32-2432S0248R-PLUS interface annotation — The interface includes: 2.0P audio interface, external expansion port, expansion port, external 3.3V battery interface, 1.25 P serial interface.

Package Contents

Acrylic version/without acrylic version

Product Features/Key Features

Product Highlights

Display & Touch

2.8 inch TFT LCD, resolution 240 × 320, LCD driver ST7789, initialization recommended BGR Color Sequence; Touch chip with XPT2046（XP2046） Resistance touch scheme.

2.8-inch TFT LCD, 240 × 320 resolution, ST7789 LCD driver with recommended BGR initialization; XPT2046 resistive touch controller.

Wireless & Expansion

ESP32-WROOM-32E supports 2.4GHz Wi ‑ Fi, Bluetooth/BLE, onboard TF card holder, RGB indicator, serial interface, audio interface and extension interface for secondary development.

ESP32-WROOM-32E supports 2.4GHz Wi‑Fi, Bluetooth / BLE. The board includes TF card slot, RGB LED, UART, audio and expansion ports.

Basic Parameters/Basic Specifications

Hardware Specification

Project Item	Parameters/Specification
Product Model/Model	ESP32-2432S0248R-PLUS
Main Module	ESP32-WROOM-32E
Wireless	2.4GHz Wi‑Fi 802.11 b/g/n, Bluetooth / BLE
Display	2.8-inch TFT LCD, 240 × 320
LCD Driver	ST7789, BGR initialization/ST7789 with BGR initialization
Touch Type	Resistive Touch
Touch Chip/Touch Controller	XPT2046 / XP2046
USB Interface/USB Port	USB Type ‑ C, power supply, download, serial debugging/Power, programming and serial debugging
Storage Interface/Storage	TF / MicroSD Card Slot
Buttons	SW1, SW2
Lights/Indicator	On-board RGB LED
Card size/Board Size	86mm × 50mm
Logic Level	3.3V
Power Supply / Power Supply	USB Type‑C 5V input / external 3.3V battery port
Development environment / Development	Arduino IDE, PlatformIO, ESP-IDF, MicroPython compatible

ESP32-WROOM-32E Module Parameters

Core Module

Project Item	Parameters/Specification
Module model / Module	ESP32-WROOM-32E
CPU	Xtensa® dual-core 32-bit LX6, up to 240MHz / up to 240MHz
ROM / SRAM	448KB ROM, 520KB SRAM, 16KB RTC SRAM
Flash	Standard 4MB Flash, subject to batch configuration / Standard 4MB Flash, subject to batch configuration
Wi‑Fi	802.11 b/g/n，2.4GHz
Bluetooth	Bluetooth v4.2 BR/EDR and Bluetooth LE
Antenna / Antenna	On-board PCB antenna / On-board PCB antenna
GPIO	The module can provide multiple GPIOs, and the actual available pins depend on board mapping.
Module Size / Module Size	18.0mm × 25.5mm × 3.1mm

Interface Description / Interface Description

Connector Functions

USB Type‑C

Used for development board power supply, program download and serial port debugging.

Used for power supply, firmware programming and serial debugging.

2.0P Audio Interface/Audio Port

Audio-related interfaces are reserved and can be used for audio input/output or power amplifier-related applications. The specific functions are defined by the user program.

Reserved for audio input/output or amplifier-related applications depending on user firmware.

External Expansion Port

SPI/GPIO expansion signals are reserved for easy connection to external sensors, peripheral modules or user-defined expansion boards.

Reserved SPI / GPIO expansion signals for external sensors, modules or custom boards.

External 3.3V battery interface/Battery Port

The interface specification is 1.25P, with the positive pole on the left and the negative pole on the right. Do not connect it reversely and do not input 5V.

1.25P connector. Left pin is positive, right pin is negative. Do not reverse polarity or input 5V.

1.25P serial port interface/UART Port

Used for serial communication, debugging or external serial port modules.

Used for UART communication, debugging or external serial modules.

TF card holder / TF Card Slot

It can be used for applications such as data storage, image resource storage, and configuration file reading.

Used for data storage, image resources and configuration files.

GPIO Mapping Table / GPIO Mapping Table

From Uploaded Mapping Sheet

Module / Module	Signal/Silk screen / Signal	GPIO	Code Macro / Macro	Direction / Direction	Description / Description
master control	RESET	EN	`LCD_RST=-1`	Input reset	Connect to ESP32 EN and do not occupy GPIO Connected to ESP32 EN; does not occupy a GPIO.
LCD/ST7789	LCD_SCK	GPIO14	`LCD_SCK=14`	output	LCD SPI clock VSPI LCD SPI clock, VSPI bus.
LCD/ST7789	LCD_MISO	GPIO12	`LCD_MISO=12`	enter	LCD SPI MISO ST7789 does not read the screen by default LCD SPI MISO; ST7789 normally does not require screen readback.
LCD/ST7789	LCD_MOSI	GPIO13	`LCD_MOSI=13`	output	LCD SPI MOSI LCD SPI MOSI data line.
LCD/ST7789	LCD_RS / DC	GPIO2	`LCD_RS=2`	output	LCD data/command selection pin LCD data/command select pin.
LCD/ST7789	LCD_CS	GPIO15	`LCD_CS=15`	output	LCD chip select LCD chip select.
LCD/ST7789	LCD_BL	GPIO21	`LCD_BL=21; BACKLIGHT_PIN=21`	output	LCD backlight control LCD backlight control.
Touch/XPT2046	RTP_IRQ / SENSOR_VP	GPIO36	`RTP_IRQ=36; TOUCH_IRQ=36`	enter	Touch interrupt input dedicated pin Touch interrupt; input-only GPIO.
Touch/XPT2046	RTP_DOUT / SENSOR_VN	GPIO39	`RTP_DOUT=39; TOUCH_MISO=39`	enter	Touch SPI DOUT/MISO input dedicated pin Touch SPI DOUT/MISO; input-only GPIO.
Touch/XPT2046	RTP_DIN	GPIO32	`RTP_DIN=32; TOUCH_MOSI=32`	output	Touch SPI DIN/MOSI Touch SPI DIN/MOSI.
Touch/XPT2046	RTP_CS	GPIO33	`RTP_CS=33; TOUCH_CS=33`	output	Touch chip selection Touch chip select.
Touch/XPT2046	RTP_SCK	GPIO25	`RTP_SCK=25; TOUCH_CLK=25`	output	Touch SPI clock Touch SPI clock.
Battery	BAT_ADC	GPIO34	`BAT_ADC=34; BAT_ADC_PIN=34`	enter	Battery voltage ADC input dedicated pin Battery voltage ADC; input-only GPIO.
RGB tri-color light	RGB_R	GPIO17	`RGB_LED_R=17`	output	Onboard RGB red channel records by RGB=17/22/16 On-board RGB LED red channel; RGB=17/22/16.
RGB tri-color light	RGB_G	GPIO22	`RGB_LED_G=22`	output	Onboard RGB green channel records by RGB=17/22/16 On-board RGB LED green channel; RGB=17/22/16.
RGB tri-color light	RGB_B	GPIO16	`RGB_LED_B=16`	output	Onboard RGB blue channel records by RGB=17/22/16 On-board RGB LED blue channel; RGB=17/22/16.
Audio	AUDIO_IN	GPIO26	`AUDIO_IN=26`	Input/ADC	Audio input reserved Reserved audio input.
Audio	AUDIO_EN	GPIO4	`AUDIO_EN=4`	output	Audio/power amplifier enable reserved Reserved audio/amplifier enable control.
Extended SPI	SPI_CS	GPIO27	`SPI_CS=27`	output	Extended SPI chip select reserved Reserved expansion SPI chip select.
SD card	SD_MOSI	GPIO23	`SD_MOSI=23`	output	SD SPI MOSI reserved Reserved SD SPI MOSI.
SD card	SD_MISO	GPIO19	`SD_MISO=19`	enter	SD SPI MISO Reserved Reserved SD SPI MISO.
SD card	SD_SCK	GPIO18	`SD_SCK=18`	output	SD SPI clock reservation Reserved SD SPI clock.
SD card	SD_CS	GPIO5	`SD_CS=5`	output	SD card is reserved Reserved SD card chip select.

Package Versions / Package Versions

Acrylic / Non-Acrylic

Acrylic Version / Acrylic Version

1 Development Board / 1 Development Board
1 Acrylic Case / 1 Acrylic Case
1 x 1.25 to 4P DuPont Cable / 1 × 1.25 to 4P DuPont Cable
1 stylus / 1 Touch Pen
1 USB Type‑C Data Cable / 1 USB Type‑C Data Cable

Non-Acrylic Version / Non-Acrylic Version

1 Development Board / 1 Development Board
1 x 1.25 to 4P DuPont Cable / 1 × 1.25 to 4P DuPont Cable
1 stylus / 1 Touch Pen
1 USB Type‑C Data Cable / 1 USB Type‑C Data Cable
Does not include acrylic case / Does not include acrylic case

Recommended initialization configuration / Recommended Initialization

ST7789 BGR + XPT2046

TFT_eSPI Example Configuration / TFT_eSPI Example

#define ST7789_DRIVER
#define TFT_WIDTH  240
#define TFT_HEIGHT 320

#define TFT_MISO 12
#define TFT_MOSI 13
#define TFT_SCLK 14
#define TFT_CS   15
#define TFT_DC   2
#define TFT_RST  -1

#define TFT_BL   21
#define TFT_BACKLIGHT_ON HIGH

// Important: use BGR color order
#define TFT_RGB_ORDER TFT_BGR

#define SPI_FREQUENCY 40000000

XPT2046 Touch Configuration / Touch Example

#define TOUCH_IRQ   36
#define TOUCH_MISO  39
#define TOUCH_MOSI  32
#define TOUCH_CS    33
#define TOUCH_CLK   25

Precautions for use/Notes

Important

1. The GPIO logic level is 3.3V, please do not directly connect to 5V signals. / GPIO logic level is 3.3V. Do not connect 5V signals directly.

2. Please pay attention to the direction of the positive and negative poles of the external 3.3V battery interface, left is positive and right is negative. / External 3.3V battery port: left positive, right negative.

3. GPIO34, GPIO36, and GPIO39 are dedicated input pins and cannot be used as ordinary outputs. / GPIO34, GPIO36 and GPIO39 are input-only pins.

4. The LCD uses ST7789 driver, and it is recommended to set it to BGR color sequence; if the color is abnormal, please check the RGB/BGR settings. / ST7789 BGR color order is recommended. If colors are wrong, check RGB/BGR setting.

5. The touch chip is XPT2046, and touch calibration is recommended after the screen is rotated. / XPT2046 touch may require calibration after display rotation.

Data download / Resources Download：https://www.zlxchina.xyz/

Instructions/Note: If product parameters, accessory lists and interface definitions are subject to batch adjustments, please refer to the actual product and official data download page. Product specifications, package contents and pin definitions may vary by batch; please refer to the actual product and official download page.

ESP32-2432S028R-PLUS Development Board

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