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Waveshare ESP32-S3-Touch-AMOLED-2.41 V2

2.41" 450x600 AMOLED (RM690B0, QSPI), FT6336 touch, TF card, QMI8658, PCF85063, battery sense.

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Building for it

A project is made for one toolchain, picked when you start it. All four can drive this board:

Toolchain
Arduino (C++)	Every board, every widget and every peripheral here. The most control, and the most to set up. Start a project
MicroPython	Change a screen by editing a file on the board. No compiler once it is flashed. Start a project
ESPHome	No compiler to install, and the panel can join Home Assistant as real entities. Start a project
ESP-IDF (C)	Espressif's own framework: esp_lcd, the component registry and idf.py, with nothing of Arduino in it. Start a project

At a glance

Part	Detail
Maker	Waveshare
MCU	ESP32-S3 Xtensa LX7 dual-core @ 240 MHz, 512 KB SRAM (+ 2-16 MB PSRAM on most modules)
Display	Raydium RM690B0, 450 x 600 px, QSPI (quad SPI), 16-bit colour
Touch	FocalTech FT6236 / FT6336U (capacitive, I2C)
Backlight	None: the panel is its own light, dimmed by a command
Memory	16 MB flash, 8 MB octal PSRAM (N16R8)
Graphics library	GFX Library for Arduino

Display pins

RM690B0 on QSPI (quad SPI): QSPI clock 40 MHz, host SPI2_HOST, RGB colour order, inversion off.

Signal	Pin
SCK	GPIO 10
D0 - D3	GPIO 11, 12, 13, 14
CS	GPIO 9
RESET	TCA9554 pin 0

Touch pins

FT6236 / FT6336U: I2C address 0x38, 400 kHz, shares the display bus.

Signal	Pin
SDA	GPIO 47
SCL	GPIO 48
INT / IRQ	GPIO 3
RESET	TCA9554 pin 1

Also on the board

I2C (GPIO 47 / 48) - SDA GPIO 47, SCL GPIO 48
SPI (TF card) - SCK GPIO 4, MOSI GPIO 5, MISO GPIO 6
TCA9554 I/O expander at 0x20, driving the lines marked above
IMU - QMI8658, at 0x6B, on I2C (GPIO 47 / 48)
RTC - PCF85063, at 0x51, on I2C (GPIO 47 / 48)
SDCard - SD card, on SPI (TF card), CS GPIO 2
GPIO 16 is set high at boot - Battery power hold
Battery - analog input on GPIO 17
BOOTButton - input on GPIO 0
PWRButton - input on GPIO 15

The preset adds these to the Hardware tab with the board, so a sensor can go straight onto the connector.

Check your revision. Pins from Waveshare's demo code and schematic (https://github.com/waveshareteam/ESP32-S3-Touch-AMOLED-2.41-V2). Two hardware revisions with different pins; this is V2 (a Rev2.0 silkscreen on the PCB, or a V2 QC label on a cased one). V1 has the panel reset on GPIO21 and the touch reset on GPIO3, where V2 has both on the expander and uses GPIO3 for the touch interrupt and GPIO21 for the panel's TE. The vendor's Arduino example also makes EXIO5 an output; it is a free header pin on the schematic and the GPIO test toggles it. Brightness is a command to the panel, not a backlight pin. Compiled; not run on a board here.

Designing for it in LCD Wizard

Choose Waveshare ESP32-S3-Touch-AMOLED-2.41 V2 on the Hardware tab (or use the button above) and every pin on this page is filled in. The export writes the sketch, lcd_pins.h, the GFX Library for Arduino configuration, lv_conf.h and platformio.ini - a project that builds for this board as it comes.
The FT6236 / FT6336U is capacitive and needs no calibration. The firmware resets it and checks it answers on every boot.
The panel has no backlight pin: it is its own light, and its brightness is a command. Give a slider or a button a Set backlight action and it dims as a backlight would.
With PSRAM the LVGL memory pool can live there, leaving internal RAM for everything else.
Screens are designed for 450 x 600 px in either orientation, with LVGL 9 or LVGL 8.

The parts

RM690B0. 2.41" 450x600 AMOLED (Waveshare ESP32-S3-Touch-AMOLED-2.41, LilyGO T4-S3). Brightness is a command, not a backlight pin.

FT6236 / FT6336U. Register-compatible with the FT6206. Very common on 2.8"-3.5" capacitive TFTs.

ESP32-S3. The only common Arduino target with a hardware RGB565 LCD peripheral. PSRAM is effectively required for RGB panels.

GFX Library for Arduino. Moshi Liu's library. Best QSPI/AMOLED and RGB coverage. Configured in code.

The pinout on one page

Every pin above, laid out to print and keep beside the bench. Generated from this preset, so it says exactly what the designer writes into lcd_pins.h.

Download the pinout (PNG)Open it as SVG

The same pins as data - board.json and pins.csv - are in the open pinout dataset on GitHub, free to reuse under CC BY 4.0.

From the people who made it

The board’s own documentation. Pinouts on vendor pages do sometimes disagree with the hardware in front of you - where this page and that one differ, trust your board and tell us.

Designs for this board

Nobody has published a design for this board yet. Publish yours from the designer and it appears here and in the gallery.

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Quick start - from an empty screen to firmware on the board
Boards and displays - presets, controllers, pins and touch in the designer
Flashing and configuration - PlatformIO, the Arduino IDE and first-boot checks
Troubleshooting - a white screen, mirrored image or touch that misses