• ESP32-S3 based + SDReader + PSRAM + 3.5' TFT (480x320) with Capacitive touch screen
  • Aliexpress

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Features

  • ESP32-S3 dual-core Xtensa 32-bit LX7 microprocessor, up to 240 MHz with 384KB ROM, 512KB SRAM. 2.4GHz WiFi and Bluetooth 5
  • PSRAM: 2MB
  • FLASH: 8MB
  • Micro-SD card slot (SPI)
  • 3.5-inch 480x320 TFT display - ST7796UI (8080 parallel bus - RGB565)
  • Capacitive touch panel - ft5x06 (i2C 0x38)
  • Audio (NS4168)
  • 1 USB-C OTG (DFU/CDC) port
  • Wakeup and reset buttons,
  • Power switch
  • Power Supply: 5V / 1A
  • Dimension: 110 x 61 x 13.5mm
  • 1 Debug interface (7pins): V5 - V3.3 - TX - RX - EN - GPIO 0 - GND / GPIO 14
  • 1 Extended IO interface (8pins): V5 - GND - EXT_IO1- EXT_IO2- EXT_IO3- EXT_IO4- EXT_IO5- EXT_IO6
  • 1 RS485 interface (4pins): RS485-A - RS485-B - GND - V5

Pins

ESP Pin GPIO Description
1 GND Ground
2 GPIO04 LCD_RESET / TP_RST (LCD / Touch Screen)
3 GPIO05 TP_SCL (Touch Screen)
4 GPIO06 TP_SDA (Touch Screen)
5 GPIO07 TP_INT (Touch Screen)
6 EN (Debug Pin 5 / Reset Switch)
7 GPIO15 LCD_DB7 (LCD)
8 GPIO16 LCD_DB6 (LCD)
9 GPIO17 LCD_DB5 (LCD)
10 GPIO18 LCD_DB4 (LCD)
11 GPIO08 LCD_DB3 (LCD)
12 GPIO03 LCD_DB2 (LCD)
13 GPIO46 LCD_DB1 (LCD)
14 GPIO19 USB_DN (USB OTG)
15 GPIO20 USB_DP (USB OTG)
16 GPIO09 LCD_DB0 (LCD)
17 GPIO10 EXT_IO1 (Export IO)
18 GPIO11 EXT_IO2 (Export IO)
19 GPIO12 EXT_IO3 (Export IO)
20 GPIO13 EXT_IO4 (Export IO)
21 GPIO14 EXT_IO5 (Export IO)
22 GPIO21 EXT_IO6 (Export IO)
23 GPIO0 BOOT / LCD_RS (Debug Pin 6 / LCD)
24 GPIO47 LCD_WR (LCD)
25 GPIO48 LCD_TE (LCD)
26 VCC +3V3
27 GPIO45 BL_PWM (LCD Blacklight)
28 GPIO35 LRCK (Audio)
29 GPIO36 BCLK (Audio)
30 GPIO37 DOUT (Audio)
31 GPIO38 SD_DO (MISO SD card)
32 GPIO39 SD_CLK (SD card)
33 RX0 RXD0 3.3V TTL Debug Pin 4
34 TX0 TXD0 3.3V TTL Debug Pin 3
35 GPIO40 SD_DI (MOSI SD card)
36 GND Ground
37 GPIO41 SD_CS (SD card)
38 GPIO42 TXD (RS485)
39 GPIO02 RTS (RS485)
40 GPIO01 RXD (RS485)
41 GND Ground