M5Stack-Core-ESP32 Development Board

Code name: M5Stack_Core_ESP32

M5Stack-Core-ESP32 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 16MB.

About M5Stack-Core-ESP32

Modular ESP32 development kit with display and case β€” perfect for rapid IoT and UI-based prototyping.

Technical Specifications

πŸ–₯️ Display

Type LCD
Size 2.0"
Resolution 320x240
Driver ILI9342C

πŸ”Œ USB

Type USB-C

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 16MB
SRAM Size 520KB
Architecture xtensa

✨ Features

  • 20 digital IO pins
  • 16 external interrupt pins
  • 16 analog input pins
  • 16 PWM pins

M5Stack-Core-ESP32 Pinout

M5Stack-Core-ESP32 Pins Mapping Arduino IDE

Below you can find the M5Stack-Core-ESP32 pinout. This development board provides 20 digital IO pins, out of which 16 can be used as external interrupt pins, 16 as analog input pins and 16 pins have Pulse-Width Modulation (PWM).

PinAnalogTouchPWMOther
0G0
1PWMTX G1
2PWMG2
3PWMRX G3
5PWMSS G5
12PWMG12
13PWMG13
15PWMG15
16PWMRXD2 G16
17PWMTXD2 G17
18PWMSCK G18
19PWMMISO G19
21PWMSDA G21
22PWMSCL G22
23PWMMOSI G23
25PWMG25 DAC1
26PWMG26 DAC2
34G34
35G35 ADC1
36G36 ADC2
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-Core-ESP32 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-Core-ESP32 development board by default is dio and dio respectively.