ESP32-S3-Touch-LCD-4.3B
Integrates RGB interface LCD with 5-point capacitive touch,
multiple peripheral interfaces
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Version Options
![]() ESP32-S3-Touch-LCD-4.3B |
![]() ESP32-S3-Touch-LCD-4.3B-BOX |
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
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IPS Display Panel
Excellent display performance, 160° wide viewing angle
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Capacitive 5-point touch
supports touch function with I2C interface,
5-point touch for flexible operation and smooth multi-point UI interaction
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Supports multiple peripherals
Supports the expansion of multiple peripherals
via CAN, RS485, I2C and isolated IO interfaces
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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 |
![]() Back Wiring |
Note: the case version does not support bottom wiring.
What's On Board
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Optional for Dedicated Plastic Case
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Supports installing 60x30x6mm (LxWxH) lithium battery
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* for reference only, the lithium battery is NOT included.
Multiple Installation Methods
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* for reference only, the rail bracket, wall bracket and monitor arm are not included.
The mounting hole spacing on the back of the case is 75mm.
Support Batch Customization
Support software and hardware customization
Including hardware interface, LOGO, label, case and web page, etc.
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Outline Dimensions
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Resources
Wiki: www.waveshare.com/wiki/ESP32-S3-Touch-LCD-4.3BPackage Contains:
ESP32-S3-Touch-LCD-4.3B
- ESP32-S3-Touch-LCD-4.3B (with back wiring 16PIN screw terminal) x1
- 16PIN screw terminal for bottom wiring ×1
ESP32-S3-Touch-LCD-4.3B-BOX
ESP32-S3-Touch-LCD-4.3B-BOX x1