Paper Comm Edition

SKU:K049-C

Description

Paper Comm Edition is a commemorative touch-enabled e-ink development board launched by M5Stack, featuring an ESP32 microcontroller. The front is embedded with a 540 x 960 @4.7" e-ink display, supporting 16-level grayscale. It is paired with a GT911 capacitive touch panel, supporting two-point touch and various gesture operations. Compared to ordinary LCD screens, the e-ink display provides users with a superior text reading experience, along with features such as low power consumption and image retention when powered off.

This development board integrates a rotary switch, SHT30 temperature and humidity sensor, and physical buttons. For data storage, it includes a TF-card (microSD) slot and an FM24C02 storage chip, offering 2K-bit (256x8) EEPROM for user data storage during power loss.

It comes with a built-in 1150mAh lithium battery, combined with the internal RTC (BM8563), enabling sleep and wake functions, providing strong battery life. Additionally, it offers 3 HY2.0-4P peripheral interfaces, allowing for the expansion of various sensor devices, opening up endless possibilities for future application development.

Note

Notes:
1. Avoid prolonged exposure to UV light, as it may cause irreversible damage to the e-ink screen.
2. The low-power management solution used in M5Paper differs from that of CORE and StickC devices. When in use, the PWR button (pressing the rotary switch) serves as the power-on button (hold for 2s). To power off the device, you need to use the software API or press the reset button on the back. When powered via USB, the device cannot be turned off.
3. If you encounter issues with downloading programs (e.g., timeout or "Failed to write to target RAM"), try reinstalling the device driver. For driver downloads, please refer to the content below the documentation.

Tutorial

UIFlow

This tutorial will introduce you to controlling the M5Paper device using the UIFlow graphical programming platform

UiFlow2

This tutorial will introduce you to controlling the M5Paper device using the UiFlow2 graphical programming platform

Arduino IDE

This tutorial will introduce you to controlling the M5Paper device using the Arduino IDE

Features

Embedded ESP32, supports WiFi
Built-in 16M Flash
E-Ink low-power display panel
Supports two-point touch
Nearly 180-degree viewing angle
Magnetic back design
Built-in 1150mAh high-capacity lithium battery
HY2.0-4P peripheral interface x 3
Development Platform
- UiFlow1
- UiFlow2
- Arduino IDE
- ESP-IDF
- Platform.IO

Includes

1 x M5Paper COMM Edition

Applications

IoT controller
E-book reader
Industrial instrument display panel
Electronic label

Version Differentiation

Version	Case Color	E-Ink Display
Paper Comm Edition	Black transparent	First-gen e-ink rigid panel
M5Paper	White	Second-gen e-ink rigid display panel
M5Paper v1.1	White	Third-gen e-ink flexible display panel

Specifications

Main Control Resources	Parameters
ESP32-D0WDQ6-V3	240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi
Flash	16MB
PSRAM	8MB
Input Voltage	5V @ 500mA
Interfaces	TypeC x 1, HY2.0-4P x 3, TF-card (microSD) slot
E-Ink Display	Model: EPD_ED047TC1 540 x 960@4.7" Grayscale: 16 levels Display area: 58.32 x 103.68mm Display driver chip: IT8951E
Physical Buttons	Rotary switch 1, Reset button 1
RTC	BM8563
Touch	GT911 capacitive touch panel
Antenna	2.4G 3D antenna
Pinout	G25, G32, G26, G33, G18, G19
Battery	1150mAh@3.7V
Operating Temperature	0 ~ 60°C
Net Weight	86g
Gross Weight	100g
Product Dimensions	118.6 x 67.0 x 10.0mm
Product Weight	86.4g
Package Dimensions	147.3 x 73.7 x 13.2mm
Gross Weight	82.4g

Schematics

M5 PAPER Schematic Download

PinMap

E-Ink Display & TF-card (microSD)

Display resolution: 540 x 960

ESP32 Chip	GPIO13	GPIO12	GPIO14	GPIO15	GPIO4
IT8951E	MISO	MOSI	SCK	CS	/
TF-card (microSD)	MISO	MOSI	SCK	/	CS

Rotary Switch

ESP32 Chip	GPIO37	GPIO38	GPIO39	GPIO2
Rotary Switch	Right	Middle button/Power button	Left	/
Power Control	/	/	/	MOS

Internal I2C Connections

ESP32 Chip	GPIO21	GPIO22	GPIO36
GT911	SDA	SCL	INT
SHT30	SDA	SCL	/
BM8563	SDA	SCL	/
FM24C02	SDA	SCL	/

USB to Serial Download

ESP32 Chip	G1	G3
CH9102	RXD	TXD

M5Paper-HY2.0 4P Ports

PORT	PIN	Notes:
PORT.A	G25, G32	I2C
PORT.B	G26, G33	DAC/ADC
PORT.C	G18, G19	UART

ESP32 ADC/DAC Mappable Pins

ADC1	ADC2	DAC1	DAC2
8 channels	10 channels	2 channels	2 channels
G32-39	G0/2/4/12-15/25-27	G25	G26

For more information on pin allocation and pin remapping, please refer to the ESP32 datasheet

Model Size

Datasheets

Softwares

Arduino

FactoryTest
M5EPD_Todo
M5EPD_Calculator
M5EPD_TTFExample
M5EPD-Lib
When using FactoryTest to load special characters (such as Chinese, Japanese), please place the font file into the TF card and name it as font.ttf. ttf file download address
Arduino API & Examples
- touch
- epd_canvas
- rtc
- system_api
- sht30
Tools
- image2gray tool

When using FactoryTest to load special characters (such as Chinese, Japanese), please place the font file into the TF card and name it as font.ttf. ttf file download address

USB Driver

Click the link below to download the driver that matches your operating system. Select the installation package corresponding to your operating system's bit version. (If you are unsure of the USB chip used by your device, you can install both drivers. CH9102_VCP_SER_MacOS v1.7 may report an error during installation, but it is actually installed successfully, so you can ignore it.) If you encounter issues with downloading programs (e.g., timeout or "Failed to write to target RAM"), try reinstalling the device driver.

Driver Name	Applicable Driver Chip	Download Link
CH9102_VCP_SER_Windows	CH9102	Download
CH9102_VCP_SER_MacOS v1.7	CH9102	Download

MacOS Port Selection

In MacOS, there may be two optional ports. Please select the port named wchmodem when using.

Easyloader

Windows

Easyloader	Download Link	Notes
FactoryTest	download	/
ToDo	download	/
Calculator	download	/

MacOS

Easyloader	Download Link	Notes
FactoryTest	download	/
ToDo	download	/
Calculator	download	/

Video

Product Introduction

M5Paper Backplate Disassembly Tutorial

Product Comparison

Compared to the previous two generations of M5Paper products, this commemorative edition uses the first-gen e-ink panel (with a softer display effect), and the white case has been replaced with a more distinctive black transparent case. The actual comparison effect is shown below.