2.8” 240x320 ESP32 LCD Touch Display,  With WiFi and BT/BLE (ER-DHO26028B)

• [Vysoko výkonný čip] Vybavený dvojjadrovým procesorom ESP32-WROOM-32E, ktorého hlavná frekvencia môže dosiahnuť 240 MHz.
• [2,8“ dotykový displej] S rozlíšením 240x320 a rezistívnym dotykom.
• [Bohaté rozhrania] Dodáva sa s bohatými rozhraniami na pripojenie, ako sú SPI, UART a ďalšie periférie.
• [Podpora zvuku] Podporuje externé reproduktory a dokáže prehrávať zvuk, aby vyhovel potrebám multimediálneho vývoja.
• [Ľahké a prenosné, bezpečné nabíjanie] Dodáva sa s obvodom riadenia nabíjania batérie, podporuje externú lítiovú batériu, je ľahký a prenosný.

This 2.8” display is a high-performance development module that integrates the ESP32-WROOM-32E module, has powerful development capabilities and rich resources. It provides great convenience for developers. Its resolution is 240x320 and supports a rich color display of up to 262K colors (RGB666), ensuring clear images and bright colors. The module provides various interfaces, including SPI, UART, etc., so it is very convenient for connecting various peripherals to meet diverse development needs. In addition, it supports external speakers to play audio, has its own RGB three-color indicator for rich status indication, and is also equipped with a resistive touch screen for convenient human-computer interaction. It uses a standard TYPE-C interface to facilitate program download and power supply, and comes with a micro TF card slot for easy expansion of storage space. It supports external lithium batteries, is lightweight and portable, and has a built-in battery charging management circuit to ensure safe battery charging and discharging. We also provide a wealth of sample programs and technical support to help developers get started quickly, suitable for smart home, industrial control and maker projects.

• Built-in ESP32-WROOM-32E module, main frequency up to 240MHz, excellent performance
• 2.8-inch color screen, 240x320 resolution, support 262K colors (RGB666), rich display colors
• Rich interfaces for connecting various peripherals (SPI, UART and other peripherals)
• Support external speakers, play audio
• Built-in RGB three-color indicator lights, rich indication status
• Resistive touch screen comes with a pen
• TYPE-C interface, convenient for program download and power supply
• On board micro TF card slot, convenient for expanding storage
• Support external lithium battery, lightweight and portable
• Built-in battery charging management circuit to ensure safe charging and discharging of batteries

Application Scenario

Interface Definition

Interface Function Description

Interface Name	Function Description	Connect Type
Serial port	It can be used for serial debugging, downloading, and communication. An external USB to serial port module is required.	1.25mm 4P
Battery Interface	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.	1.25mm 2P
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.
Type-C Interface	Used for module power supply and download programs.
RESET Key	Used for ESP32 master control and LCD reset, level reset after pressing.
Expand Pin	Lead out GND, 3.3V, and IO35 pins, of which IO35 can only be used as the input pin.	1.25mm 2P
Speaker Interface	Used to access the speaker to play audio.	1.25mm 2P
SPI peripheral interface	For external connection to devices that use IIC communication.	1.25mm 4P

Specification

ESP32 Module
Chip	ESP32-WROOM-32E
CPU	ESP32-D0WD-V3,Xtensa dual-core 32-bit LX6 microprocessor
Frequency	240MHz(Max)
Memory	48KB 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
Screen
Panel Size	2.8 inch
Panel Type	TN TFT
Touch Screen Type	Resistive touch screen
Resolution	240xRGBx320(pixels)
Active Area	43.20(W)x57.60(H)
Number of Colors	Max: 262K(RGB666) Common: 65K(RGB565)
Display Driver IC	ILI9341V
Touch Driver IC	XPT2046
Communication Interface	SPI
Pixel Size	0.153(H)x0.153(mm)
Brightness(TYP)	260 cd/m2
Backlight Type	White LED*4
Other
Charging Voltage	Range: 4.2 to 6.5V Typical value: 5V
Working Voltage	5.0V
Charging Current	Max: 500mA Module Actual value: 290mA
Backlight Current	75mA
Charging Saturation Voltage	4.24V
Rechargeable Battery Spec	3.7V polymer lithium battery(It doesn’t include the battery)
Power	0.65W(Display only works)
Module Size	50.00(W)x86.00(H)x5.60(D)(mm)
Operating Temperature	-10~60℃
Storage Temperature	-20~70℃

Package List

• 1x 2.8 inch ESP32 LCD Module
• 1x Type-C Cable
• 1x 4Pin Cable

Wiki & External Links

• Wiki
• User Manual
• Specification
• ESP32-WROOM-32E Datasheet
• ILI9341 Datasheet