SKU: 27848
Part Number: ESP32-S3-Touch-LCD-4.3B
Brand: Waveshare
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
Korisne informacije:
http://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-4.3B 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
) 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 
- ESP32-S3N8R8
The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, integrated 8MB PSRAM and 16MB Flash
- TF card slot
- USB Type-C port
- BOOT button
Press and hold while powering on for program burning
- RESET button
- Optocoupler isolation
- Touch panel connector
- 4.3inch display panel connector
- RS485 and CAN terminal resistors selection
close by default
- Battery power supply ON/OFF
- 3.7V single lithium battery GH1.25 header
- 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)
- 7-36V DC power supply terminal
- I2C interface terminal
VOUT pin output 5V/3.3V (switching by onboard resistor)
- CAN interface terminal
- RS485 interface terminal
- Digital output
5~36V, open-drain output, output load: 450mA per channel (MAX)
- 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
- Digital input
5~36V, supports passive / active input (NPN or PNP)
Outline Dimensions 
PACKAGE CONTENT Weight: 0.115 kg
- ESP32-S3-Touch-LCD-4.3B (with back wiring 16PIN screw terminal) x1
- 16PIN screw terminal for bottom wiring ×1
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