Boards / All-in-one boards

WT32-SC01

3.5" 320x480 ST7796 over SPI with FT6336U capacitive touch.

At a glance


Maker	Wireless Tag
MCU	ESP32 (WROOM / WROVER) Xtensa LX6 dual-core @ 240 MHz, 520 KB SRAM (+ up to 8 MB PSRAM on WROVER)
Display	Sitronix ST7796 / ST7796S, 320 x 480 px, SPI (4-wire serial), 16-bit colour
Touch	FocalTech FT6236 / FT6336U (capacitive, I2C)
Backlight	GPIO 23, dimmable (PWM)
PSRAM	Yes
Graphics library	LovyanGFX

ST7796 / ST7796S on SPI (4-wire serial): SPI clock 40 MHz, host VSPI, BGR colour order, inversion off.

FT6236 / FT6336U: I2C address 0x38, 400 kHz.

Check your revision. MISO is not broken out - leave it at -1.

Choose WT32-SC01 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 LovyanGFX 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 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 320 x 480 px in either orientation, with LVGL 9 or LVGL 8.

ST7796 / ST7796S. The usual 4.0" 320x480 controller. Faster than ILI9488 over SPI (true RGB565).

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

ESP32 (WROOM / WROVER). No native RGB parallel peripheral - use SPI or an 8/16-bit i80 bus.

LovyanGFX. Widest panel and bus coverage, DMA on ESP32. Configured with a C++ config class.

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