M5Stack PaperColor is a full-color ESP32-S3 e-paper development kit designed for low-power visual interfaces. It combines an ESP32-S3R8 controller with 16MB Flash, 8MB PSRAM, and a 4-inch Spectra 6 E Ink display with 400 x 600 resolution, making it a strong fit for information panels, desktop dashboards, smart signage, and other embedded display projects where readability and standby efficiency matter.

This M5Stack board also integrates a practical interaction stack: 3 user buttons, a power key, ES8311 audio codec, ES7210 MEMS microphone with AEC, a 1W speaker, SHT40 temperature and humidity sensing, RX8130CE RTC, microSD storage, IR transmission, 2 RGB LEDs, and an HY2.0-4P expansion port. Paired with the onboard M5PM1 power management system and a 1250mAh battery, M5Stack PaperColor is well suited to portable or always-on IoT display applications.

Features

• ESP32-S3R8 platform with dual-core Xtensa LX7, 16MB Flash, and 8MB PSRAM
• 4-inch Spectra 6 full-color e-paper display with 400 x 600 resolution
• Built-in 1250mAh battery with M5PM1 power management for low-power operation
• Integrated audio path with ES8311 codec, ES7210 MEMS microphone, AEC support, and 1W speaker
• Human-machine interaction through 3 programmable buttons, 1 power button, IR emitter, and 2 RGB LEDs
• Onboard sensing and timing with SHT40 temperature and humidity sensor plus RX8130CE RTC
• Expandable design with microSD card slot and HY2.0-4P Grove-compatible interface
• Arduino and PlatformIO friendly with official M5Unified, M5GFX, and M5PM1 resources

Specifications

Applications

M5Stack PaperColor works especially well in projects that need a readable, colorful interface with low refresh demand and low standby power:

• Electronic signage for room labels, schedules, notices, and product tags
• Desktop information dashboards for weather, calendar, task status, or smart home summaries
• Voice interaction terminals that combine local display, microphone input, and speaker playback
• Environmental monitoring displays using onboard SHT40 data and Wi-Fi connectivity
• Creative installations and art displays where a full-color e-paper look is preferred over LCD

Product List

• 1 x PaperColor

Other Content

Power On/Off

• Power On / Restart: Press the power button once
• Power Off: Press the power button twice in quick succession

Download Mode

To flash firmware, connect the device to a computer via a USB Type-C cable, then press and hold the side reset button to enter download mode and wait for the flashing process to complete.

Hardware and Pin Map

Dimensions

Resources

• Official Documentation
• PaperColor Arduino Quick Start
• PaperColor M5PM1 Power Management Guide
• PaperColor Schematics PDF
• PaperColor Model Size PDF
• M5Unified Library
• M5GFX Library
• M5PM1 Library
• M5PM1 Datasheet
• ES8311 Datasheet

FAQ

What is the difference between M5Stack PaperColor and M5PaperS3?

M5Stack PaperColor focuses on a 4-inch full-color Spectra 6 e-paper experience, which is a better fit for low-power visual signage and colorful status panels. If you prefer a larger touch-capable e-paper development platform, you can also check the related M5PaperS3 product page.

Can I develop M5Stack PaperColor with Arduino or PlatformIO?

Yes. M5Stack provides an official Arduino quick start, and the documentation also includes a ready PlatformIO environment example. The official M5Unified, M5GFX, and M5PM1 libraries are the main software resources for getting started.

Is M5Stack PaperColor suitable for battery-powered always-on projects?

Yes, especially for projects with mostly static content. The official standby current is 92.53uA, which makes M5Stack PaperColor attractive for low-power dashboards, electronic signage, and portable display terminals. As with other e-paper products, refresh is slower than LCD, so it is best used for information that changes periodically rather than continuously.

How do I enter firmware download mode?

Connect the board through USB Type-C, then press and hold the side reset button while flashing firmware. The official product documentation includes the same operation guidance for download mode and power control.