T5-4.7 E-Paper

Overview

The LILYGO T5-4.7-S3 is a 4.7-inch E-Ink (E-Paper) development board based on the ESP32-S3-WROOM-1-N16R8 (16 MB Flash, 8 MB PSRAM). Integrates capacitive touch (GT911, two-point), PCF8563 RTC, USB-C, Li-Po battery interface (JST-PH 2.0 mm), battery ADC, 40-pin Raspberry Pi-compatible GPIO, onboard TF card slot, and dedicated display drive signals (STV/LE). 2.5D curved design. Ideal for low-power E-Ink applications with touch interaction: electronic labels, smart home displays, portable devices.

Quick Start

Example Support

Example	PlatformIO/Arduino	ESP-IDF	Description
LilyGo-EPD47	✓		E-Paper display, touch, button, Wi-Fi sync examples

Available examples

examples/
├── button          # Button example
├── demo            # Comprehensive test + sleep current test
├── drawExample     # Draw lines and circles
├── drawImages      # Show images
├── grayscale_test  # Grayscale test
├── screen_repair   # Full refresh (afterimage removal)
├── spi_driver      # Display as SPI slave
├── touch           # Touch example
└── wifi_sync       # Wi-Fi comprehensive example

PlatformIO

1. Install Visual Studio Code and Python
2. Search for and install the PlatformIO IDE extension in VS Code
3. Open the LilyGo-EPD47 project folder
4. Open platformio.ini, uncomment one src_dir = xxxx line (only one active at a time)
5. Click ✓ to compile, connect via USB-C, click → to upload

Arduino

1. Install Arduino IDE
2. Install Arduino ESP32 v2.0.5 – v2.0.15 (v3.x not supported): Add to Additional Boards Manager URLs: https://espressif.github.io/arduino-esp32/package_esp32_index.json
3. In Sketch → Include Library → Manage Libraries, search for LilyGo EPD47 and install with all dependencies
4. In File → Examples → LilyGo EPD47, open any example
5. In Tools → Board, configure:

Arduino IDE Setting	Value
Board	ESP32S3 Dev Module
Port	Your port
USB CDC On Boot	Enabled
CPU Frequency	240 MHz (WiFi)
Core Debug Level	None
USB DFU On Boot	Disabled
Erase All Flash Before Sketch Upload	Disabled
Events Run On	Core1
Flash Mode	QIO 80 MHz
Flash Size	16MB (128Mb)
Arduino Runs On	Core1
USB Firmware MSC On Boot	Disabled
Partition Scheme	16M Flash (3MB APP/9.9MB FATFS)
PSRAM	OPI PSRAM
Upload Mode	UART0/Hardware CDC
Upload Speed	921600
USB Mode	CDC and JTAG

6. Select the correct port and click Upload

If upload fails: hold BOOT (IO0), press RST, release RST, release BOOT, then click Upload.

Development Platforms

1. ESP-IDF
2. Arduino IDE
3. Visual Studio Code
4. MicroPython

Video

Key Features

• ESP32-S3-WROOM-1-N16R8: 16 MB Flash, 8 MB PSRAM, Wi-Fi + Bluetooth 5.0
• 4.7-inch EDO47TC1 E-Ink display (540 × 960)
• GT911 capacitive touch (two-point), I²C
• PCF8563 Real-time Clock (I²C)
• 40-pin Raspberry Pi-compatible GPIO expansion
• TF card slot, USB-C, JST-PH 2.0 mm Li-Po
• 2.5D curved design

Product Parameters

Feature	Specification
MCU	ESP32-S3-WROOM-1-N16R8
Flash	16 MB
PSRAM	8 MB
Wi-Fi	2.4 GHz 802.11 b/g/n
Bluetooth	Bluetooth 5.0 LE
Display	EDO47TC1 4.7-inch E-Ink, 540 × 960
Touch	GT911 capacitive, two-point, I²C
RTC	PCF8563 (I²C)
Storage	TF card slot
USB	1 × Type-C (USB + OTG)
Battery	JST-PH 2.0 mm Li-Po
I/O Expansion	2 × 20-pin (Raspberry Pi 40-pin compatible)
Buttons	RST + SIR_io0 + io21
Mounting Holes	6 × 3.8 mm
Dimensions	121 × 67 × 12 mm

Pin Diagram

Pin Mapping

GPIO	Connected To	Available
13	74HCT4094D CFG_DATA	❌
12	74HCT4094D CFG_CLK	❌
0	74HCT4094D CFG_STR	❌
38	E-paper CKV	❌
40	E-paper STH	❌
41	E-paper CKH	❌
8–7	E-paper D0–D7	❌
21	Button	❌
14	Battery ADC	❌
16/15/11/42	SD MISO/MOSI/SCK/CS	❌*
18	SDA	❌
17	SCL	❌
47	Touch IRQ	❌
45/10/48/39	—	✅

*SD pins (16, 15, 11, 42) are free if SD card is not used. GPIO10 can be connected to GPIO47 to enable touch wake-up (see issue #93).

Dimension Diagram

Schematic

• T5-ePaper-S3 V2.4 Schematic

Datasheet

• ESP32-S3 Datasheet
• ED047TC1 Datasheet

Software Development

• LilyGo-EPD47 GitHub Repository

Dependent Libraries

• Button2
• SensorLib@0.19
• GxEPD2
• Adafruit_GFX

FAQ

• Q. Which example is used for sleep current testing? A. The demo example.

• Q. How to fix afterimages? A. Upload examples/screen_repair. Note: it cannot guarantee 100% removal.

• Q. Upload fails or USB port not found? A. Enable USB_CDC_ON_BOOT. To enter download mode manually: hold BOOT(IO0) → press RST → release RST → release BOOT → click Upload.

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

Version History

Version	Release Date	Update Description
T5-ePaper-S3-V2.4	—	Current version