ESP32-S3-Touch-LCD-4.3B

PACKAGE CONTENT

Weight: 0.115 kg

1. ESP32-S3-Touch-LCD-4.3B (with back wiring 16PIN screw terminal) x1
2. 16PIN screw terminal for bottom wiring ×1

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ESP32-S3 4.3inch Capacitive Touch Display Development Board Type B, 800×480, 5-Point Touch, 32-Bit LX7 Dual-Core Processor, Up To 240MHz Frequency, Supports WiFi & Bluetooth, With Onboard Antenna

ESP32-S3-Touch-LCD-4.3B

Integrates RGB Interface LCD With 5-Point Capacitive Touch, Multiple Peripheral Interfaces

Features

ESP32-S3-Touch-LCD-4.3B is a microcontroller development board with 2.4GHz WiFi and BLE 5 support, integrates high-capacity Flash and PSRAM. Onboard 4.3inch capacitive touch screen can smoothly run GUI programs such as LVGL. Combined with various peripheral interfaces, suitable for the quick development of the HMI and other ESP32-S3 applications

• Equipped with Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency
• Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna
• Built in 512KB SRAM and 384KB ROM, with onboard 16MB Flash and 8MB PSRAM
• Onboard 4.3inch capacitive touch display, 800×480 resolution, 65K color
• Supports capacitive touch control via I2C interface, 5-point touch with interrupt support
• Onboard voltage regulator, supports 7~36V wide range power supply
• Onboard RTC chip and rechargeable battery to ensure time data is not lost when power loss
• Onboard CAN, RS485, I2C interface and TF card slot, GH1.25 2P battery header and digital isolated IO interfaces, etc.
• Supports passive and active digital input, with bi-directional optocoupler isolation
• Supports digital output with optocoupler isolation, provides higher driving capability with up to 450mA sinking current
• Onboard LED indicators for indicating the power and battery recharging status
• Supports flexible clock, module power supply independent setting and other controls to realize low power consumption in different scenarios

Application Scenarios

IPS Display Panel

Excellent Display Performance, 160° Wide Viewing Angle

Capacitive 5-Point Touch

Supports Touch Function With I2C Interface, 5-Point Touch For Flexible Operation And Smooth Multi-Point UI Interaction

Supports Multiple Peripherals

Supports The Expansion Of Multiple Peripherals Via CAN, RS485, I2C And Isolated IO Interfaces

Supports Two Wiring Methods

Comes With Two Types Of Screw Terminals, Allowing For Bottom Or Back Wiring, Which Is More Convenient To Integrate Into Various Application Scenarios Such As DIN Rail Or Embedded Devices

Bottom Wiring

Back Wiring

What's On Board

1. ESP32-S3N8R8
   The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, integrated 8MB PSRAM and 16MB Flash
2. TF card slot
3. USB Type-C port
4. BOOT button
   Press and hold while powering on for program burning
5. RESET button
6. Optocoupler isolation
7. Touch panel connector
8. 4.3inch display panel connector
9. RS485 and CAN terminal resistors selection
   close by default
10. Battery power supply ON/OFF
11. 3.7V single lithium battery GH1.25 header
12. Status Indicators
    DONE: Lithium battery charging completed indicator
    CHG: Lithium battery charging indicator
    PWR: Power supply indicator
    (the CHG will blink and DONE will light on when connecting with DC power supply and without lithium battery connected or battery switch is OFF)

13. 7-36V DC power supply terminal
14. I2C interface terminal
    VOUT pin output 5V/3.3V (switching by onboard resistor)
15. CAN interface terminal
16. RS485 interface terminal
17. Digital output
    5~36V, open-drain output, output load: 450mA per channel (MAX)
18. Input signal common terminal
    NC: dry contact passive input
    Connect to power supply positive: digital input low active, for NPN wet contact active input, 5V-36V DC
    Connect to power supply negative: digital input high active, for PNP dry contact active input, 5V-36V DC
19. Digital input
    5~36V, supports passive / active input (NPN or PNP)

Support Batch Customization

Support Software And Hardware Customization
Including Hardware Interface, LOGO, Label, Case And Web Page, Etc.

Outline Dimensions

Resources & Services

Wiki: www.waveshare.com/wiki/ESP32-S3-Touch-LCD-4.3B

ESP32-S3 LCD Selection Guide

MODEL	ESP32-S3-Touch-LCD-4.3B	ESP32-S3-Touch-LCD-4.3	ESP32-S3-Touch-LCD-7
BASIC PARAMETERS
Processor	High performance Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency
Wi-Fi / Bluetooth	Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna
Flash/PSRAM	16MB Flash + 8MB PSRAM	8MB Flash + 8MB PSRAM
Power Supply	TypeC 5V + DC 6-36V	TypeC 5V
LCD PARAMETERS
Resolution	800x480
Display Interface	RGB
Display Panel	IPS
Viewing Angle	160°		170°
Touch Type	capacitive
Touch Panel	Toughened Glass
COMMUNICATIONS INTERFACE
CAN	TJA1051T/3
RS485	SP3485EN
Digital Input	2DI, 5~36V, passive Input / active Input (NPN or PNP), built in bi-directional optocoupler	-
Digital Output	2DO, 5~36V, open-drain output, output load: 450mA per channel (MAX)	-
OTHERS
Operating Temperature	0℃ ~ 65℃
Dimensions (L×W)	112.4×75.1mm	106.1×67.8mm	192.96×110.76mm