1.54 inch 200 x 200 black and white e-ink display: Provides text readability and image retention after power loss, ideal for electronic labels and IoT terminals
Built-in 390mAh lithium battery with BM8563 RTC: Enables timed sleep and wake-up for extended battery life in portable applications
Integrated rotary switch and physical buttons: Allows intuitive human-machine interaction for control and status updates
Multiple expansion interfaces (HY2.0-4P, M5 Bus, SPI): Supports a wide range of sensors and modules for flexible project development
Low power consumption and image retention: Reduces energy usage and maintains display content after power removal
Summarized by Shop
Description M5Stack CoreInk is a compact ESP32 E-Ink development kit built around the ESP32-PICO-D4 and a 1.54-inch 200 x 200 black-and-white E-Ink display. The M5-K048 kit is designed for electronic label, IoT terminal, portable status display, and low-refresh dashboard projects where the screen should remain readable with very low power
Processor
ESP32 Pico D4, dual-core, 240MHz
Memory
520KB SRAM, 4MB Flash
Display
1.54 inch GDew0154M09 e-ink, 200 x 200 resolution, 184 dpi, 1-bit black and white, 2 grayscale
Battery
390mAh lithium, 3.7V
Interfaces
USB Type-C, HY2.0-4P, M5 Bus, SPI, top hat expansion