M5PaperMono – 3.97-inch Touch E-Ink Display

SKU: M5-PAPERMONO Categories: ,
Brand: MTools Tec

M5PaperMono is a 3.97-inch, 480 x 800 four-level grayscale touch e-paper development board powered by ESP32-S3. Both versions include a front light, Wi-Fi, BLE, microSD, RTC, IMU and a 1150mAh battery. Choose Standard for integrated LoRa and NFC hardware, or Lite without LoRa and NFC.

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M5Stack PaperMono

A focused e-paper platform for displays that stay useful.

PaperMono combines a high-resolution touch e-paper display, adjustable front light and an ESP32-S3 development platform in a slim handheld form. Choose Standard for integrated LoRa and NFC, or Lite for projects that only need the shared display platform.

3.97″Touch e-paper display
480 × 800High-resolution canvas
4 grayFour grayscale levels
1150mAhBuilt-in battery

Two versions

Choose only the radio hardware you need.

Both versions share the same core display experience. Standard adds integrated LoRa and NFC hardware; Lite omits those two radios for a streamlined display platform.

Standard

Connected field terminal

For long-range messaging, identification, access control and distributed IoT projects.

  • SX1262 LoRa, 868–923MHz
  • Built-in LoRa FPC antenna
  • ST25R3916 NFC reader
  • ISO14443A/B, FeliCa and ISO15693
  • Integrated LoRa and NFC hardware
Lite

Streamlined display platform

For readers, dashboards, signage and local Wi-Fi or Bluetooth applications.

  • Same 3.97-inch touch e-paper display
  • Same ESP32-S3 core and memory
  • Wi-Fi and Bluetooth Low Energy
  • No LoRa or NFC hardware
  • No LoRa or NFC hardware
Version note: LoRa and NFC are hardware features of the Standard version only. They cannot be enabled on the Lite version through firmware.
Shared platform

Everything needed for an always-visible interface.

01 / DISPLAY

Paper-like and touch enabled

SSD1677 monochrome e-paper with 480 × 800 resolution, four grayscale levels and FT6336G capacitive touch.

02 / FRONT LIGHT

Readable after dark

The integrated front light extends the display beyond daylight and bright indoor environments.

03 / PROCESSING

ESP32-S3 development core

Dual-core ESP32-S3R8 up to 240MHz with 16MB Flash and 8MB Octal PSRAM.

04 / SENSING

Motion and audio input

BMI270 six-axis IMU and a PDM microphone support interactive and context-aware applications.

05 / STORAGE + TIME

Local data and real-time clock

A microSD card slot and RX8130CE RTC support offline assets, logging and scheduled interfaces.

06 / POWER

Built for portable projects

1150mAh battery, USB-C 5V input and M5PM1 power management support low-power operation.

Specifications

Core hardware details.

SoC ESP32-S3R8, dual-core Xtensa LX7 up to 240MHz
Memory 16MB Flash, 8MB Octal PSRAM
Wireless 2.4GHz Wi-Fi and Bluetooth Low Energy
Display 3.97-inch SSD1677 monochrome e-paper, 480 × 800, four-level grayscale
Touch / light FT6336G capacitive touch; integrated e-paper front light
Standard only ST25R3916 NFC; SX1262 LoRa 868–923MHz with built-in FPC antenna
Sensors / audio BMI270 six-axis IMU, PDM microphone, built-in buzzer
Storage / RTC microSD card slot; RX8130CE real-time clock
Controls / indicator 2 user keys, 1 power key and built-in RGB LED
Power 1150mAh battery; USB Type-C DC 5V; M5PM1 power management
Dimensions 61.0 × 101.0 × 7.95mm

Package includes 1 × PaperMono. Product weight, package dimensions and gross weight are still listed as work in progress by M5Stack.

Official M5Stack PaperMono mechanical drawing with dimensions in millimeters
Official PaperMono mechanical drawing. Dimensions are shown in millimeters.
Official guidance

Operate and refresh the e-paper safely.

The following operating guidance and refresh measurements come from M5Stack’s updated PaperMono documentation.

Power controlsShort-press once to power on or reset. Press the power button twice in succession to power off.
Firmware download modeHold the power button for about two seconds. Release it when the red LED blinks.
E-paper careAvoid prolonged direct sunlight and continuous partial refreshes. M5Stack recommends a full-screen refresh after roughly ten partial fast refreshes.

M5GFX refresh mode Official lab result
epd_quality 4.71 s
epd_text 0.45 s
epd_fast 0.34 s
epd_fastest 0.07 s
Applications

Designed for low-power information.

E-readers
Always-visible dashboards
Electronic signage
Portable IoT terminals
NFC access terminals*
LoRa status displays*

*Standard version only.

Development

Start from the official demo.

The M5Stack ESP-IDF UserDemo covers display refresh, front-light control, battery status, IMU, microphone, RGB LED, buzzer, Wi-Fi, microSD, sleep/wake and shutdown. Standard-version demos also cover NFC and LoRa.

Specifications

Version

Standard, Lite

SoC

ESP32-S3R8, dual-core Xtensa LX7 up to 240MHz

Memory

16MB Flash + 8MB Octal PSRAM

Display

3.97-inch SSD1677 e-paper, 480 x 800, four-level grayscale

Touch and Light

FT6336G capacitive touch + integrated front light

Wireless

2.4GHz Wi-Fi + Bluetooth Low Energy

Battery

1150mAh

Product Size

61.0 x 101.0 x 7.95mm

Version

Standard, Lite

SoC

ESP32-S3R8, dual-core Xtensa LX7 up to 240MHz

Memory

16MB Flash + 8MB Octal PSRAM

Display

3.97-inch SSD1677 e-paper, 480 x 800, four-level grayscale

Touch and Light

FT6336G capacitive touch + integrated front light

Wireless

2.4GHz Wi-Fi + Bluetooth Low Energy

Battery

1150mAh

Product Size

61.0 x 101.0 x 7.95mm

Version

Standard, Lite

SoC

ESP32-S3R8, dual-core Xtensa LX7 up to 240MHz

Memory

16MB Flash + 8MB Octal PSRAM

Display

3.97-inch SSD1677 e-paper, 480 x 800, four-level grayscale

Touch and Light

FT6336G capacitive touch + integrated front light

Wireless

2.4GHz Wi-Fi + Bluetooth Low Energy

Battery

1150mAh

Product Size

61.0 x 101.0 x 7.95mm

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