M5Stack-CoreInk Development Board

Code name: M5Stack_CoreInk

M5Stack-CoreInk development board is based on esp32 microcontroller and uses xtensa architecture. This board has a maximum CPU frequency of 240 MHz and a flash size of 4MB.

About M5Stack-CoreInk

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

Technical Specifications

πŸ–₯️ Display

Type ePaper
Size 1.54"
Resolution 200x200
Driver GDEW0154M09

πŸ›°οΈ 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 Size 520KB
Architecture xtensa

✨ Features

  • 40 digital IO pins
  • 16 external interrupt pins
  • 16 analog input pins
  • 18 PWM pins

M5Stack-CoreInk Pins Mapping Arduino IDE

Below you can find the M5Stack-CoreInk pinout. This development board provides 40 digital IO pins, out of which 16 can be used as external interrupt pins, 16 as analog input pins and 18 pins have Pulse-Width Modulation (PWM).

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
Analog Analog input pins
Touch Touch pins
Function Function pins
RX / TX Receive/Transmit
LED_BUILTIN Built-in LED
PWM Pulse-Width Modulation

Default Tools

Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modedio
Maximum upload size
1280 Kb
(1310720 B)
Maximum data size
320 Kb
(327680 B)

The M5Stack-CoreInk development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for M5Stack-CoreInk development board by default is dio and dio respectively.