3.5' ZX3D50CE02S-USRC-4832

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

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