T5-4.7 E-Paper S3 Pro get it now

Overview

T5-4.7-S3 E-Paper PRO is a multifunctional IoT device based on ESP32-S3-WROOM-1 (16 MB Flash, 8 MB PSRAM), integrating a 4.7-inch ED047TC1 E-Ink display (960 × 540, 16-level grayscale) with TPS65185 power driver, SX1262 LoRa (433–915 MHz), MIA-M10Q GPS, GT911 capacitive touchscreen (two-point), PCF85063 RTC, BQ25896/BQ27220 battery management, MagSafe magnetic charging, TF card, and 2 × QWIIC. Version H752-01 adds partial refresh support and adjustable Vcom voltage. Suitable for electronic labels, remote monitoring, and outdoor navigation.

Quick Start

Example Support

Example	PlatformIO/Arduino	ESP-IDF	Description
T5S3-4.7-e-paper-PRO	✓		E-Ink display, LoRa, GPS, touch, RTC, battery examples

Available examples

Example	Description
bq25896	Battery charging chip test
bq27220	Battery fuel gauge test
display_test	E-Ink display test
factory	Factory firmware
GPS	GPS test (requires outdoor use)
io_extend	IO expansion chip test
lora_recv / lora_send	SX1262 LoRa transmit/receive
lvgl_test	LVGL graphics test
rtc_pcf8563	RTC test
sd_card	SD card read/write
touch	GT911 touch test

PlatformIO

1. Install Visual Studio Code and Python
2. Search for and install the PlatformIO IDE extension in VS Code
3. Open the T5S3-4.7-e-paper-PRO project folder
4. Open platformio.ini, uncomment the example under [platformio]
5. Click ✓ to compile, connect via USB-C, click → to upload

Arduino

1. Install Arduino IDE
2. In Board Manager, search for esp32 and install esp32 by Espressif Systems
3. Copy library folders from the project libraries directory to your Arduino libraries folder
4. Open the example .ino file
5. In Tools → Board, configure:

Arduino IDE Setting	Value
Board	ESP32S3 Dev Module
Upload Speed	921600
USB Mode	Hardware CDC and JTAG
USB CDC On Boot	Enabled
USB Firmware MSC On Boot	Disabled
USB DFU On Boot	Disabled
CPU Frequency	240 MHz (WiFi)
Flash Mode	QIO 80 MHz
Flash Size	16MB (128Mb)
Core Debug Level	None
Partition Scheme	16M Flash (3MB APP/9.9MB FATFS)
PSRAM	OPI PSRAM
Arduino Runs On	Core 1
Events Run On	Core 1

6. Select the correct port and click Upload

If upload fails: hold BOOT, press RST, release RST, then click Upload.

Development Platforms

1. Visual Studio Code
2. Arduino IDE
3. PlatformIO

Video

Key Features

• ESP32-S3-WROOM-1: 16 MB Flash, 8 MB PSRAM, Wi-Fi + Bluetooth 5.0
• 4.7-inch ED047TC1 E-Ink display (960 × 540, 16-level grayscale), TPS65185 driver
• SX1262 LoRa (433–915 MHz)
• MIA-M10Q GNSS module
• GT911 capacitive touch (two-point, I²C)
• PCF85063 RTC, BQ25896 + BQ27220 battery management
• MagSafe magnetic charging + USB-C charging
• PCA9535PW I/O expander, 2 × QWIIC

Product Parameters

Feature	Specification
MCU	ESP32-S3-WROOM-1 @ 240 MHz
Flash	16 MB
PSRAM	8 MB
Wi-Fi	2.4 GHz 802.11 b/g/n
Bluetooth	Bluetooth 5.0 LE
LoRa	SX1262, 433–915 MHz
GPS	MIA-M10Q GNSS
Display	ED047TC1 4.7-inch E-Ink, 960 × 540, 16-level grayscale
Touch	GT911 capacitive, two-point, I²C (0x5D)
E-Ink Driver	TPS65185 (I²C 0x68)
Battery	3.7 V 1500 mAh LiPo
Battery IC	BQ25896 (0x6B) + BQ27220 (0x55)
Charging	MagSafe + USB-C
RTC	PCF85063 (I²C 0x51)
I/O Expander	PCA9535PW (I²C 0x20)
Storage	TF card slot
USB	1 × Type-C
Expansion	2 × QWIIC
Buttons	RST + BOOT + IO48 + PWR
Mounting Holes	2 × M4
Dimensions	129 × 69 × 11 mm

Pin Diagram

Pin Mapping

#define BOARD_GPS_RXD       44
#define BOARD_GPS_TXD       43
#define BOARD_SCL           40
#define BOARD_SDA           39
#define BOARD_SPI_MISO      21
#define BOARD_SPI_MOSI      13
#define BOARD_SPI_SCLK      14
#define BOARD_TOUCH_INT     3
#define BOARD_TOUCH_RST     9
#define BOARD_RTC_IRQ       2
#define BOARD_SD_CS         12
#define BOARD_LORA_CS       46
#define BOARD_LORA_IRQ      10
#define BOARD_LORA_RST      1
#define BOARD_LORA_BUSY     47
#define BOARD_BL_EN         11
#define BOARD_PCA9535_INT   38
#define BOARD_BOOT_BTN      0
// E-Ink data pins: D0-D7 = GPIO5-8, 15-18
// E-Ink control: CKV=48, STH=41, LEH=42, STV=45, CKH=4

Dimension Diagram

Schematic

• T5 E-Paper S3 Pro V1.0 Schematic

Datasheet

• ESP32-S3 Datasheet
• ED047TC1 Datasheet
• MIA-M10Q GPS Datasheet
• TPS65185 Power Driver

Software Development

• T5S3-4.7-e-paper-PRO GitHub Repository

Dependent Libraries

• epdiy
• RadioLib@6.5.0
• XPowersLib@^0.2.3
• TinyGPSPlus@^1.1.0
• SensorLib@0.2.2
• lvgl@^8.3.11

FAQ

• Q. What's the difference between MagSafe and USB charging? A. MagSafe provides convenient magnetic attachment charging; USB is standard wired charging. Both can be used simultaneously.

• Q. Upload fails? A. Hold BOOT, press and release RST, then click Upload.

• Q. Arduino IDE prompts to upgrade libraries? A. Do not upgrade — stay with the versions tested with this project.

Version History

Version	Hardware	Software	Notes
H752-01	v1.0-241224	v1.2_250118	Latest — adds TPS65185, partial refresh, GPS
H752	v1.0-240810	v1.0-241203	—