Boards / All-in-one boards

Waveshare ESP32-P4-WIFI6-Touch-LCD-4.3

4.3" 480x800 MIPI-DSI panel (ST7701) with GT911 touch on an ESP32-P4, an ES8311 speaker codec, a TF card, a camera connector and Wi-Fi through its ESP32-C6. Compiled, not yet seen on a board.

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Building for it

A project is made for one toolchain, picked when you start it. For this board you can use two of the four:

Toolchain
Arduino (C++)	Every board, every widget and every peripheral here. The most control, and the most to set up. Start a project
MicroPython	The MicroPython export has not been built for this chip yet. It is written for the ESP32, S2, S3, C3 and C6.
ESPHome	The ESP32-P4 is only useful here with a MIPI-DSI panel, which this export does not write yet.
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-P4 RISC-V dual-core @ 400 MHz, 768 KB SRAM (+ PSRAM)
Display	Sitronix ST7701 (MIPI-DSI), 480 x 800 px, MIPI-DSI, 16-bit colour
Touch	Goodix GT911 (capacitive, I2C)
Backlight	GPIO 26, dimmable (PWM)
Memory	32 MB flash, 32 MB PSRAM (N32R32)
Graphics library	GFX Library for Arduino

Display pins

ST7701 (MIPI-DSI) on MIPI-DSI: RGB colour order, inversion off.

Signal	Pin
RESET	GPIO 27
Backlight	GPIO 26 (active low)

Touch pins

GT911: I2C address 0x5D, 400 kHz, shares the display bus.

Signal	Pin
SDA	GPIO 7
SCL	GPIO 8
RESET	not connected

Also on the board

I2C (GPIO 7 / 8) - SDA GPIO 7, SCL GPIO 8
SDCard - SD card, CLK GPIO 43, CMD GPIO 44, D0 GPIO 39, D1 GPIO 40, D2 GPIO 41, D3 GPIO 42
WiFiCoprocessor - Wi-Fi co-processor, CLK GPIO 18, CMD GPIO 19, D0 GPIO 14, D1 GPIO 15, D2 GPIO 16, D3 GPIO 17, RST GPIO 54
The ESP32-C6 beside the P4 is this board's Wi-Fi, on the ESP32 core's own SDIO lines for the P4, which Waveshare's own Arduino Wi-Fi example relies on. It must run ESP-Hosted of the core's release (the README says how to tell). Waveshare's ESP-IDF examples are written for ESP-Hosted 1.4, so a C6 as it leaves the factory may be of that older line and need updating, through the 4-pin pads the board has for flashing it.
Battery - analog input on GPIO 20
BOOTButton - input on GPIO 35

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

Check your revision. Nobody at LCD Wizard has had this board yet: the export for it compiles and has not been seen on the panel. Pins, the panel's start-up table and its settings are Waveshare's own, from their Arduino examples for this board and their ESP-IDF BSP, which agree: the ST7701 over MIPI-DSI under Waveshare's register table, two lanes at 500 Mbps, 30 MHz, hsync 12/42/42, vsync 8/2/60, the panel's reset on GPIO 27 (active low), and the backlight on GPIO 26, lit when the pin is low and dimmed by PWM. A design on this preset starts on revision 3 of the ESP32-P4, which Waveshare's own Arduino examples for the board build for; for a chip before revision 3 (the upload says "revision v1.x"), choose that under Hardware > Board > Chip revision. The GT911 has no reset or interrupt line driven and may answer at 0x14 instead of 0x5D. The TF card (SDMMC, 4-bit) and the ES8311 speaker codec (amplifier on GPIO 53) are in the kit, with the BOOT button (GPIO 35) and the battery voltage (GPIO 20, a third of the cell, from the schematic; no Waveshare code reads it). Wi-Fi is the ESP32-C6 beside the P4, on the ESP32 core's own SDIO lines (CLK 18, CMD 19, D0-D3 14-17, reset 54), which the schematic confirms; it has to run ESP-Hosted of the core's release, which the board prints at start (see the README). Not driven: the two ES7210 microphones and the C6's Bluetooth; the -C version's OV5647 camera is on the I2C bus at 0x36.

Designing for it in LCD Wizard

Choose Waveshare ESP32-P4-WIFI6-Touch-LCD-4.3 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 GT911 is capacitive and needs no calibration. The firmware resets it and checks it answers on every boot.
The backlight is dimmable: give a slider or a button a Set backlight action.
With PSRAM the LVGL memory pool can live there, leaving internal RAM for everything else.
Screens are designed for 480 x 800 px in either orientation, with LVGL 9 or LVGL 8.

The parts

ST7701 (MIPI-DSI). ESP32-P4 only, with PSRAM. The ST7701 on MIPI-DSI, under its maker's own register load: Waveshare's 4.3" 480x800 (ESP32-P4-WIFI6-Touch-LCD-4.3). Compiled, not yet seen on a board.

GT911. The address is selected by the INT pin level during reset, so wire INT and RST if you can.

ESP32-P4. Has a MIPI-DSI host and a 2D graphics accelerator (PPA). Arduino core support is newer - verify your core version.

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