M5 Stack ESP32 Core Ink Development Kit(1.5” eInk display)


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SKU: 945398
  1. ESP32 Standard wireless functions WiFi, Bluetooth
  2. Internal 4M Flash
  3. Low Power Display
  4. 180-degree viewing angle


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Brand: M5 STACK
Category: IoT Development Boards

CoreInk is a brand new E-ink display in the M5Stack cores range. Controlled by the ESP32-PICO-D4 This new device includes a 200×200 1.54″ Black and White E-Ink Display. Compared to a regular LCD,E-ink displays are easier on the eyes, which makes them a great choice for reading or viewing for longer periods. Other benefits are the low power consumption and the ability to retain the image even if power to the display is terminated. For control, the CoreInk integrates a multi-function button, A physical button, integrated status LED, and buzzer. The device also includes a 390mAh Lipo, RTC(BM8563)for controlling accurate timing and deep sleep functionality. CoreInk features independent reset and power buttons,expansion ports for attaching external sensors to expand functionailty,for unlimited possibilities.

  1. IoT Terminal
  2. E-Book
  3. Industrial Control Panel
  4. Electronic Tag

Note: Please avoid long-time high-frequency refresh when using it. The recommended refresh interval is (15s/time). Do not expose to ultraviolet rays for a long time, otherwise, it may cause irreversible damage to the ink screen. The low-power power management solution adopted by CoreInk is different from that of CORE and StickC devices. When in use, the PWR button is used as a power-on button(long press 2s). If you need to shut down the device, you need to use the software API or press the reset button on the back.


  1. ESP32 Standard wireless functions WiFi,Bluetooth
  2. Internal 4M Flash
  3. Low Power Display
  4. 180-degree viewing angle
  5. Expansion ports
  6. Built-in Magnet
  7. Internal Battery
  8. Expandable

Package Includes:

  1. 1x CoreInk
  2. 1x Type-C USB(20cm)
SKU: 945398 Category:
Input Voltage


Operating Current



4MB Flash

Battery Required



2.4G 3D Antenna


TypeC*1, HY2.0-4P*1 , M-BUS Female Connector,Pin Array/ Hat Expansion


G25, G26, G36, G23, G34, G18, G21, G22, G14, G13

Case Material


Operating Temperature (°C)

0 to 40

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.056 kg
Shipping Dimensions 8 × 4.5 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China