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CORE Metal

SKU:C001-CNC

Tutorials & Quick Start

This tutorial will show you how to control Basic devices through the UIFlow graphical programming platform
This tutorial will show you how to control the Basic device through the UIFlow2.0 graphical programming platform
This tutorial will show you how to program and control Basic devices through Arduino IDE
This tutorial will show you how to control Basic devices through Micropython programming

Description

CORE Metal is a limited edition metal CNC commemorative edition of M5Stack Basic, a cost-effective entry-level master for the Internet of Things. It adopts Espressif ESP32 chipset, equipped with 2 low-power Xtensa® 32-bit LX6 microprocessors with main frequency up to 240MHz. Built-in 16M FLASH memory, integrated 2.0-inch full-color HD IPS display panel, speaker, TFCard slot and other peripherals. The full-coverage housing ensures circuit stability even in complex industrial applications. Internal provides a variety interface resources (ADC/DAC/I2C/UART/SPI, etc.) and 15x IO pins at the bottom, which is highly developable. Ideal for a variety of product prototyping, industrial control, intelligent building application.

Power on/off operation:
Power on: Click the red power button on the left
Shutdown: Quickly double-click the red power button on the left
*USB power supply *: By default, when USB is powered, it cannot be shut down

Features

  • Based on ESP32 development
  • 16M FLASH
  • Integrated full-color high-definition IPS display panel and a variety of hardware peripherals
  • Rich resources interface, compatible with M5Stack stacking modules and sensors, highly expandable.
  • Compatible with multi-platform development:

Includes

  • 1 × CORE Metal

Applications

  • IoT Controller
  • DIY creator works
  • Smart home control

Specification

Resources Parameters
ESP32-D0WDQ6-V3 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi
Flash 16MB
Input power 5V @ 500mA
Interface TypeC x1, I2C x1
IO G21, G22, G23, G19, G18, G3, G1, G16, G17, G2, G5, G25, G26, G35, G36
Button Physical button x 3
LCD screen 2.0"@320*240 ILI9342C IPS panel, maximum brightness 853nit
Speaker 1W-0928
USB chip CH9102F
Antenna 2.4G 3D Antenna
Cover Material Plastic ( PC )
Product Size 54*54*18mm
Package Size 95*65*25mm
Product Weight 42g
Package Weight 43.5g

BASIC-V27 (K001-V27)

Description of antenna signal strength

Driver Installation

Click the link below to download the driver that matches the operating system. There are currently two driver chip versions, CP210X (for CP2104 version)/CP34X (for CH9102 version) driver compressed package. After decompressing the compressed package, select the installation package corresponding to the number of operating systems to install. (If you are not sure of the USB chip used by your device, you can install both drivers at the same time. During the installation process of CH9102_VCP_SER_MacOS v1.7, an error may occur, but the installation is actually completed, just ignore it.) When using it, if If the program cannot be downloaded normally (the prompt is overtime or Failed to write to target RAM), you can try to reinstall the device driver.
Driver name Applicable driver chip Download link
CP210x_VCP_Windows CP2104 Download
CP210x_VCP_MacOS CP2104 Download
CP210x_VCP_Linux CP2104 Download
CH9102_VCP_SER_Windows CH9102 Download
CH9102_VCP_SER_MacOS v1.7 CH9102 Download

EasyLoader

EasyLoader is a simple and fast program burner, which has a built-in product-related case program, which can be burned to the main control through simple steps to perform a series of functional verification.

Download Windows Version Easyloader Download MacOS Version Easyloader

Case description:
This case will perform hardware running tests such as speakers, wifi, buttons, accelerometers, TF-card (microSD) cards, and screens.

Pinmap

LCD screen & TF card

LCD pixels: 320x240 TF card supports up to 16GB

ESP32 Chip GPIO23 GPIO19 GPIO18 GPIO14 GPIO27 GPIO33 GPIO32 GPIO4
ILI9342C MOSI/MISO / CLK CS DC RST BL
TF Card MOSI MISO CLK / / / / CS

Button & Speaker

ESP32 Chip GPIO39 GPIO38 GPIO37 GPIO25
Button pin BUTTON A BUTTON B BUTTON C /
Speaker / / / Speaker pin

GROVE interface A & IP5306

The power management chip (IP5306) is a customized I2C version, and its I2C address is 0x75. Click here to view Register manual of IP5306.

ESP32 Chip GPIO22 GPIO21 5V GND
GROVE A SCL SDA 5V GND
IP5306 SCL SDA 5V GND

IP5306 charge/discharge, voltage parameters

charge discharge
0.00 ~ 3.40V -> 0% 4.20 ~ 4.07V -> 100%
3.40 ~ 3.61V -> 25% 4.07 ~ 3.81V -> 75%
3.61 ~ 3.88V -> 50% 3.81 ~ 3.55V -> 50%
3.88 ~ 4.12V -> 75% 3.55 ~ 3.33V -> 25%
4.12 ~ / -> 100% 3.33 ~ 0.00V -> 0%

PORT

PORT-A(RED) G21/22 I2C
PORT-B(BLACK) G26/36 DAC/ADC
PORT-C(BLUE) G16/17 UART

ESP32 ADC/DAC

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

M-BUS

M_BUS

For more information on pin assignment and pin remapping, please refer to ESP32 datasheet

Schematics

Module Size

module size

Examples

Arduino

Video

Version Change

Release Date Product Changes Notes
2017.7 First Release(Core1.4) /
2019.7 TN screen changed to IPS screen(Core2.2) Please upgrade your M5Stack library to the latest version (v0.2.8 or above) to solve the screen reflection problem
2020.3 Battery capacity changed from 150mAh to 110mAh(Core2.4) /
2020.6 Flash size changed from 4MB to 16MB(Core2.5) /
2021.10 Upgrade v2.6, change CP2104 to CH9102, optimize structure details(Core2.6) /
2021.10 Upgrade v2.7 The screen was changed to a glass screen for clearer display;The Grove port adds a boost function to stabilize the 5.1V output with a more stable load;Add a battery-powered switch
Note: 2018.2A PCB version of the device does not support C2C (TypeC to TypeC) connection and PD power supply.

Learn

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