CrowPanel ESP32 HMI 7.0-inch Display¶
Requirements for the relevant version of the routine
Board Version
esp32 by Espressif System 2.0.14/2.0.15
Lib Related Versions
Ivgl: 8.3.3
TFT_eSPI: 2.5.0
LovyanGFX: 1.1.8
The libs are provided directly by our wiki, just use the libs provided by the wiki.
This example is suitable for generating UI using Squareline version 1.5.1 or earlier.
Module: DIS08070H
Updated Record¶
Please click on the "UPDATED RECORD" below to check the updated details in text.
Please watch below to check the updated explanation.
Feature¶
- Integrated ESP32-S3-WROOM-1-N4R8 module,built-in wireless communication 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0;
- Support development environment Arduino IDE, Espressif IDF, Lua RTOS, Micro python and compatible with LVGL graphics library;
- Built-in LVGL demo interface and Arduino example, plug and play;
- LCD 800*480 7.0 inch TFT-LCD with driver IC EK9716BD3 + EK73002ACGB;
- Rich peripheral interfaces and expansion functions enable it to meet the needs of different fields.
Specification¶
- Model: 7.0 inch ESP32 display
- Main Processor: ESP32-S3-WROOM-1-N4R8
- Resolution: 800*480
- Touch Type: Capacitive Touch Screen
- Display Type: TN Panel
- Screen: TFT-LCD Screen
- Display driver: EK9716BD3 & EK73002ACGB
- External power supply: DC 5V-2A
- Interface: 2 * UART0, 2 * GPIO, 2 * I2C,1*Battery
Pin Out¶
| Pin Name | Description | Connector Type |
|---|---|---|
| SPK | Output audio signal,connected with speakers. The motherboard comes with a power amplifier chip circuit. | PH2.0-2P |
| PWR | Power LED. | |
| RST | Reset button. Push it to reset the system. | |
| BOOT | ||
| GPIO_D | Digital and artificial I/O interface. | HY2.0-4P |
| I2C | Build the communication among micro controller and peripheral devices. | HY2.0-4P |
| TF | Provide off-line save and extra storage space. | |
| UART1 | Build the communication among Logic modules, including serial communication module and print module. | HY2.0-4P |
| BAT | Connect with the lithium battery. (With the battery charging circuit) | PH2.0-2P |
| UART0 | Provide serial communication, supply voltage(transform USB to UART0) and serial information printing. | HY2.0-4P/USB-C |
| 7.0-inch HMI Port | Pin Number |
|---|---|
| GPIO_D | IO38 |
| UART | RX(IO44); TX(IO43) |
| I2C | SDA(IO19); SCL(IO20) |
| SPK(I2S) | I2S-CTRL; I2S-LRCLK(IO18); I2S-BCLK(IO42); I2S-SDIN(IO17) |
| SD Card Slot(SPI) | MOSI(IO11); MISO(IO13); CLK(IO12); CS(IO10) |
| LCD Backlight | IO2 |
Schematic Diagram¶
ESP32-S3 and TFT display wiring pins
Schematic Diagram:
Definition in the main program:
class LGFX : public lgfx::LGFX_Device
{
public:
lgfx::Bus_RGB _bus_instance;
lgfx::Panel_RGB _panel_instance;
LGFX(void)
{
{
auto cfg = _bus_instance.config();
cfg.panel = &_panel_instance;
cfg.pin_d0 = GPIO_NUM_15; // B0
cfg.pin_d1 = GPIO_NUM_7; // B1
cfg.pin_d2 = GPIO_NUM_6; // B2
cfg.pin_d3 = GPIO_NUM_5; // B3
cfg.pin_d4 = GPIO_NUM_4; // B4
cfg.pin_d5 = GPIO_NUM_9; // G0
cfg.pin_d6 = GPIO_NUM_46; // G1
cfg.pin_d7 = GPIO_NUM_3; // G2
cfg.pin_d8 = GPIO_NUM_8; // G3
cfg.pin_d9 = GPIO_NUM_16; // G4
cfg.pin_d10 = GPIO_NUM_1; // G5
cfg.pin_d11 = GPIO_NUM_14; // R0
cfg.pin_d12 = GPIO_NUM_21; // R1
cfg.pin_d13 = GPIO_NUM_47; // R2
cfg.pin_d14 = GPIO_NUM_48; // R3
cfg.pin_d15 = GPIO_NUM_45; // R4
cfg.pin_henable = GPIO_NUM_41;
cfg.pin_vsync = GPIO_NUM_40;
cfg.pin_hsync = GPIO_NUM_39;
cfg.pin_pclk = GPIO_NUM_0;
cfg.freq_write = 15000000;
cfg.hsync_polarity = 0;
cfg.hsync_front_porch = 40;
cfg.hsync_pulse_width = 48;
cfg.hsync_back_porch = 40;
cfg.vsync_polarity = 0;
cfg.vsync_front_porch = 1;
cfg.vsync_pulse_width = 31;
cfg.vsync_back_porch = 13;
cfg.pclk_active_neg = 1;
cfg.de_idle_high = 0;
cfg.pclk_idle_high = 0;
_bus_instance.config(cfg);
}
{
auto cfg = _panel_instance.config();
cfg.memory_width = 800;
cfg.memory_height = 480;
cfg.panel_width = 800;
cfg.panel_height = 480;
cfg.offset_x = 0;
cfg.offset_y = 0;
_panel_instance.config(cfg);
}
_panel_instance.setBus(&_bus_instance);
setPanel(&_panel_instance);
}
};
LGFX lcd;
ESP32-S3 and touch driver wiring
V2.0 Schematic Diagram:
Pin definition in the touch.h:
Tips:
Please refer to this post to check how to connect sensor using I2C pin and also use touch with it.
V3.0 Schematic Diagram:
Platforms Supported¶
| Arduino IDE | SquareLine Studio | PlatformIO |
|---|---|---|
 |  |  |
 | | |
| MicroPython | ESP-IDF | Home Assistant |
|---|---|---|
 |  |  |
| | |
| ESPHome |
|---|
 |
|
FAQ¶
- Click here to see the frequently asked questions of ESP32 display.
- Please list your question at the forum or contact techsupport@elecrow.com for technology support.
Resources¶
Github Link¶
Schematic & PCB¶
Specifications¶
Certification¶
- CrowPanel CE Certificate
- ESP32-S3-WROOM-1 Wi-Fi Certification
- ESP32-S3-WROOM-1 NCC Certification
- ESP32-S3-WROOM-1 IC Certification.pdf
- ESP32-S3-WROOM-1 MIC Certification.pdf