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CoreInk Library

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CoreInk_Pic_01

Description

CoreInk is a brand new E-ink display in the M5Stack cores range. Controlled by the ESP32-PICO-D4 This new device includes a 200x200 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 an 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 funcionality. CoreInk features independent reset and power buttons,expansion ports(HY2.0-4P、M-BUS、HAT expansion)for attaching external sensors to expand functionailty,for unlimited possibilities。

?>Warning: Please avoid using high refresh rates,reccommended refresh rate is(15s/per refresh), Do not expose to ultraviolet rays for a long time, otherwise it may cause irreversible damage to the ink screen.

CoreInk_Pic_02

Pin Mapping

E-Ink Display

Screen Resolution:200x200

ESP32 ChipGPIO4GPIO0GPIO15GPIO9GPIO18GPIO23
GDEW0154M09BUSYRSTD/CCSSCKMOSI

Multi-function button & Physical Button & LED & Buzzer

ESP32 ChipGPIO37GPIO38GPIO39GPIO5GPIO10GPIO2
Multi-function buttonLeft positionButton pressRight position///
Physical Button///Physical Button//
LED////LED/
Buzzer/////Buzzer

USB Serial

ESP32 ChipGPIO1GPIO3
CP2104RXDTXD

Internal I2C Connection

ESP32 ChipGPIO21GPIO22
BM8563SDASCL

Coreink M-BUS Schematic

Coreink-HY2.0 4P Port

PORT PIN Protocol:
EXT-PORT G32/33 I2C

ESP32 ADC/DAC Mappable Pins

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

For more info on specific pin functions refer to the official ESP32 DocsESP32 datasheet

Related Link

Tutorial&Quick-Start

Arduino

Schematic

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