lvgl8-wt32-sc01-arduino's Introduction

Latest project with multiple device support is here

https://github.com/sukesh-ak/ESP32-TUX

Graphics & Touch on WT32-SC01

Board : WT32-SC01 from Wireless Tag (Seeed Studio also carries the same)
Similiar display from DFRobot uses ILI9488 (not ST7796S)
Graphics & Touch Driver : LovyanGFX
UI/Widgets : LVGL8.x
Framework : Arduino + PlatformIO (ESP-IDF sample here)

Demo code output

WT32-SC01 Specs

Pros:

ESP32 WROVER-B
3.5" 480x320 ST7796S TFT Display
Capacitive touchscreen FT6336U
Default 4MB Flash & 8MB PSRAM
Two external expansion female pin headers with same pin-out (mirrored)
2 x 3.3v LDO, 1 for the board and 1 for the external expansion
Separate Battery/External power option with voltage range 5v-9v
USB-C for power and programming

Cons:

No SD Card storage option
16MB Flash version available but only through Alibaba (didn't know when I ordered)
Pin headers are 2mm pitch which is not breadboard standard (2.54mm is common).
Mounting holes in the wrong place so you cannot use it (fixed in newer revisions)

Board config

TFT (ST7796)
- TFT_RST=22
- TFT_SCLK=14
- TFT_DC=21
- TFT_CS=15
- TFT_MOSI=13
- TFT_MISO=-1
- TFT_BCKL=23
Touch (FT6336U)
- TOUCH_SDA=18
- TOUCH_SCL=19
- I2C_TOUCH_ADDRESS=0x38

Touch and Draw sample (without LVGL)

Replace the content of main.cpp with the following to test quickly
For Ardiuno IDE, install LovyanGFX library then copy & paste the below code into your .ino file and flash!

/*
    Simple Touch Drawing sample for WT32-SC01
*/
#define LGFX_AUTODETECT     // Autodetect board
#define LGFX_USE_V1         // set to use new version of library

#include <LovyanGFX.hpp>    // main library

static LGFX lcd;            // declare display variable

// Variables for touch x,y
static int32_t x,y;

void setup(void)
{
  lcd.init();

  // Setting display to landscape
  if (lcd.width() < lcd.height()) lcd.setRotation(lcd.getRotation() ^ 1);

  lcd.setCursor(0,0);
  lcd.printf("Ready to touch & draw!");
}

void loop()
{
  if (lcd.getTouch(&x, &y)) {
    lcd.fillRect(x-2, y-2, 5, 5, TFT_RED);
    lcd.setCursor(380,0);
    lcd.printf("Touch:(%03d,%03d)", x,y);
  }
}

3D Printable enclosure (STL)

3D enclosure on SketchFab website

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lvgl8-wt32-sc01-arduino's Issues

platformio+arduino+esp32+ST7789+FT6336U+problem！

ask for your advice！
my configuration is as follows：

cfg.pin_sclk = 18;
cfg.pin_mosi = 19;
cfg.pin_miso = -1;
cfg.pin_dc = 16;
cfg.pin_cs = 5;
cfg.pin_rst = 23;
cfg.pin_bl = 4;

cfg.i2c_port = 1;
cfg.i2c_addr = 0x38;
cfg.pin_sda = 22;
cfg.pin_scl = 21;

how should it be configured?
Touch not working!!!

Basic example

Hello,

When i use basic example successfully flash and boot but screen is not starting.

`
/*
Simple Touch Drawing sample for WT32-SC01
*/
#define LGFX_AUTODETECT // Autodetect board
#define LGFX_USE_V1 // set to use new version of library

#include <LovyanGFX.hpp> // main library

static LGFX lcd; // declare display variable

// Variables for touch x,y
static int32_t x,y;

void setup(void)
{
lcd.init();

// Setting display to landscape
if (lcd.width() < lcd.height()) lcd.setRotation(lcd.getRotation() ^ 1);

lcd.setCursor(0,0);
lcd.printf("Ready to touch & draw!");
}

void loop()
{
if (lcd.getTouch(&x, &y)) {
lcd.fillRect(x-2, y-2, 5, 5, TFT_RED);
lcd.setCursor(380,0);
lcd.printf("Touch:(%03d,%03d)", x,y);
}
}
`

platform.io.ini

[env:esp32dev]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino
lib_deps =
bblanchon/ArduinoJson@^6.20.0
ottowinter/ESPAsyncWebServer-esphome@^3.0.0
lovyan03/LovyanGFX@^1.1.2
monitor_speed = 115200
board_upload.flash_size = 16MB
board_build.flash_mode = dio
build_flags =
-D CONFIG_ESP32_PSRAM_ENABLE=1
-D ARDUINO_USB_CDC_ON_BOOT

Thanks for this repo

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