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M5Stack-CoreInk image

M5Stack-CoreInk

Development Board

Code name: M5Stack_CoreInk
ESP32 M5STACK

M5Stack-CoreInk is a development board based on the ESP32 microcontroller using XTENSA architecture.

This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.

About M5Stack-CoreInk

ESP32-based e-paper display with battery and IMU - designed for always-on status dashboards and low-power UIs.

📋 Technical Specifications

Complete technical specification details for M5Stack-CoreInk

🖥️ Display

Type ePaper
Size 1.54"
Resolution 200x200
Driver GDEW0154M09

🛰️ Connectivity

WiFi 802.11 b/g/n (2.4 GHz)
Bluetooth 4.2
BLE 4.2

🧠 Microcontroller

Model esp32
Clock Speed 240 MHz
Flash Size 4MB
SRAM 520KB
Architecture xtensa

✨ Features & Pins

Digital IO 40
Analog Input 16
PWM 18
Interrupts 16

Useful Links

Datasheets and resources for M5Stack-CoreInk

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for M5Stack-CoreInk

40
Digital I/O Pins
16
Interrupt Pins
16
Analog Inputs
18
PWM Pins
PinAnalogTouchPWMOther
1PWMTX
2PWMG2
3PWMRX
5PWMG5
9PWMSS
10PWMG10
12PWMG12
13PWMRX2 G13
14PWMTX2 G14
18PWMSCK
19PWMG19
21PWMG21
22PWMG22
23PWMMOSI
25PWMG25 DAC1
26PWMG26 DAC2
32PWMSDA G32
33PWMSCL G33
34MISO
35ADC1
36G36 ADC2
37G37
38G38
39G39
Legend
A0 Analog input
T0 Touch sensor
PWM PWM capable
RX/TX Serial pins
LED Built-in LED
# Pin number

Default Tools & Configuration

Build and upload settings for M5Stack-CoreInk

SettingValue
Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modedio
Maximum upload size
1280 KB (1310720 bytes)
Maximum data size
320 KB (327680 bytes)
Configuration Summary

The M5Stack-CoreInk uses esptool_py for uploads , esp_ota for OTA updates, and esptool_py bootloader at 0x1000.

Flash mode: dio | Boot mode: dio

Max sketch size: 1280 KB | Max data size: 320 KB