
Description
ESP32-S3-LCD-4 is a microcontroller development board with 2.4GHz WiFi and BLE 5 support, integrates 16MB Flash and 8MB PSRAM. Onboard 4inch 480 × 480 LCD screen can smoothly run GUI programs such as LVGL. Combined with various peripheral interfaces to quickly develop the HMI of ESP32-S3, suitable for scenarios such as smart control panel, home gateway, intelligent interactive panel, industrial control, and smart lighting control.
- 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 4inch LCD display, 480×480 resolution, 65K color
- Supports capacitive touch control via I2C interface, 5-point touch with interrupt support (for touch version only)
- Onboard CAN, RS485, I2C interface and TF card slot, and integrates full-speed USB port
- Supports flexible clock, module power supply independent setting and other controls to realize low power consumption in different scenarios
Onboard Resource

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ESP32-S3N16R8
The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, integrated 8MB PSRAM and 16MB Flash -
Batt charging and discharging chip
supports Batt charging and discharging -
TJA1051T/3/1J
CAN transceiver -
RS485 chip
RS485 transceiver -
PCF85063
RTC chip -
CH32
IO expansion chip -
XL1509-ADJE1 power chip
Supports 7~36V DC power input -
3.5mm 10pin screw terminal slot
for installing 3.5mm 10pin screw terminal block -
RTC battery header
for connecting rechargeable RTC battery (only supports rechargeable RTC battery) -
USB Type-C port
ESP32-S3 USB interface, for power supply, burning program and printing logs - TF card slot
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PH2.0 Lithium battery header
PH2.0 2P connector, for 3.7V Lithium battery, supports charging and discharging -
Buzzer
sound-producing peripheral -
RS485 and CAN terminal resistor selection
close by defaul - Power supply indicator
- BOOT button
- RESET button
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PWRKEY button
Power ON/OFF button when using battery for power supply