ESP32-S3-Touch-LCD-3.49

Board
by Wavesharewaveshare-esp32-s3-touch-lcd-349

Also known as: waveshare_touch_lcd_349

Verify my boardCompareEdit on GitHub
Flash this board — 3 firmware options · Unverified
ESP32-S3-Touch-LCD-3.49 pinout
Pinout

Specifications

Radiosinherited from ESP32-S3

Wi-Fi
Wi-Fi 4 · 2.4 GHz
Bluetooth LE
BLE 5
Bluetooth Classic
no
802.15.4
no

USB

Native USB
yes
Connector
usb-c

Board

Battery connector
yes
Charging
yes

Display & extras

Display
3.49in 172x640 IPS AXS15231B (capacitive touch)
Extras
sd-cardimumic
Built onESP32-S3-Touch-LCD-3.49 BoardESP32-S3 SoC

A 3.49-inch 172x640 touch IPS board on an ESP32-S3R8 (16 MB flash, 8 MB PSRAM) with IMU, RTC, microphones, a battery header and a TF-card slot.

Firmware for this board

Unverified

  • draftlingUnverifiedmultirelease .bin
    Flash draftlingrelease .bin

    Unverified esp-atlas asserts this board↔firmware link at the shown trust tier — it does not guarantee your specific unit or the current firmware version. Flashing can erase keys/config and can brick the device. At your own risk.

other

  • Stackchan-MCP 4 Any LLMdeclaredmulti
    Flash Stackchan-MCP 4 Any LLMguided

    declared esp-atlas asserts this board↔firmware link at the shown trust tier — it does not guarantee your specific unit or the current firmware version. Flashing can erase keys/config and can brick the device. At your own risk.

  • XiaoZhi ESP32declaredmulti
    Flash XiaoZhi ESP32guided

    declared esp-atlas asserts this board↔firmware link at the shown trust tier — it does not guarantee your specific unit or the current firmware version. Flashing can erase keys/config and can brick the device. At your own risk.

Notes

  • Wiki: "Equipped with ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, up to 240MHz"; "stacked with 8MB PSRAM and external 16MB Flash" (bare chip with in-package PSRAM -> soc)
  • Display: "3.49inch high-definition capacitive touch IPS screen with a resolution of 172x640, 16.7M colors"; Driver IC "AXS15231B"; touch interface I2C
  • Onboard "QMI8658 6-axis IMU", "PCF85063 RTC", dual digital microphone array, audio codec; "3.7V MX1.25 lithium battery recharge/discharge header"; "TF card slot"; "22PIN 2.54mm pitch through-hole pads"; "Type-C port for program flashing and log printing"
  • aka "waveshare_touch_lcd_349" is the device token draftling uses for its release binaries

Verify my board

Reads the connected chip over USB and checks it against what esp-atlas cites for ESP32-S3-Touch-LCD-3.49 — over Web Serial, no backend, nothing leaves your browser.

In-browser verify needs Web Serial: Chrome or Edge on a desktop. Safari, Firefox and phones cannot do it.

Serial monitor

Not connected.