M5Stack Station ESP32 IoT Development Kit

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Product Link

M5Stack Station ESP32 IoT Development Kithttps://x.com/openelabio

Description

M5Station-485 is a multi-purpose industrial level programmable embedded controller with Espressif ESP32 SOC, integrated Wi-Fi solution, dual core low-power Xtensa® 32-bit LX6 microprocessor, main frequency up to 240MHz. Onboard 16M FLASH, integrated 240*135 1.14" full colour HD IPS display + physical keypad + rich peripherals, two sets of six expansion ports+ Low-power sleep/wakeup function. Multiple power supply options USB Type-C, PWR485, External Battery (battery socket reserved on board). The integrated high power density boost DC/DC converter SCT12A0DHKR on board ensures the stability of the electrical equipment even in complex applications. This device is suitable for industrial control, intelligent buildings, multi-channel data acquisition nodes and prototyping applications.

• HMI:

  • 1.14" IPS display

  • 3 physical programmable keys

  • 1 ON/OFF button

  • 7 programmable RGB LEDs

• Power supply:

  • Input:

    • Integrated 9~24V->5V DC/DC SY8303 Buck circuit

    • AXP192 power management chip

  • Output:

    • Each interface (6 Grove, 1 USB-A) is electronically switched on/off by SGM2553D.

    • INA3221 for voltage/current acquisition for Grove interfaces, and INA199 for current acquisition for the USB-A

    • Integrated high power density boost DC/DC converter SCT12A0DHKR

  • Low power consumption:

    • Integrated RTC BM8563 to achieve low power sleep/wakeup function

• Port Design:

  • 6 way Grove expansion interface

    • Port A1/A2 shared the same power and signal pins

    • Port B1/B2/C1/C2 have separate power and signal pins

  • PWR485 interface (4-wire - VH3.96)

    • RS485

    • 9~24V power input

  • USB Tpye-A power supply output only, no signal pins

• Mechnical Design:

  • Din rail

  • Magnet

  • Wall Mount

  • Screws

  • Ribbon

• Programming development:

  • Supports UIFlow graphical programming platform, scripting, compile-free, cloud push

  • Fully compatible with Arduino, ESP32-IDF and other mainstream development platforms

  • Support FreeRTOS, with the help of dual-core and multitasking mechanism, efficient organization of task logic, optimize the execution efficiency of the program.

Applications

• Industrial Controller

• Multi-channel data acquisition

• IoT product prototyping

• DIY/Prototyping

Specification

Spec	Parameters
ESP32-D0WDQ6-V3	240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi
Flash	16MB
USB powered	5V@1A
RS485 power supply	9~24V@1A
Interface	Type-C * 1, GROVE(I2C+I/0+UART) * 6, Full-Size USB Type-A(OUTPUT),PWR485
LEDs	SK6812 * 7
Pushbuttons	Power Button, Physical Button \ 3
IPS LCD Screen	1.14"@240*135 ST7789V2
RTC	BM8563
PMU	AXP192
Voltage/Current Collector	INA3221 + INA199
USB Chips	CH9102F
TTL-RS485	SP3485
Step-Down Chips	SY8303
DC/DC Boost	SCT12A0DHKR
Power Distribution Switch	SGM2553D
Antenna	2.4G 3D Antenna
Operating Temperature	0°C to 60°C
Base Screw Specification	Hexagon socket cup head M2*8 screw
Internal PCB reserved interface	Battery interface(Specification:1.25mm-4P)USB line interface(Specification:1.25mm-4P)
Net Weight	63.1g
Gross Weight	108.1g
Product Dimensions	92 x 64.5 x 35 mm
Package Size	104.5 x 70.5 x 50mm
Case Material	ABS+PC

PinMap

key BUTTON A & key BUTTON B & key BUTTON C & power button

ESP32 Chip	GPIO37	GPIO38	GPIO39
Key Pins	BUTTON A	BUTTON B	BUTTON C

Color TFT screen

Driver chip:ST7789v2 Resolution:135 * 240 @1.14"

ESP32 Chip	GPIO5	GPIO15	GPIO18	GPIO19	GPIO23
AXP192 Chip						AXP_LDO3
LCD	CS	RESET	SCK	RS	MOSI	LCD_BL

RTC

ESP32 Chip	GPIO21	GPIO22
BM8563	SDA	SCL	INT
AXP192			AXP_PWR

Current and Voltage Monitor

ESP32 Chip	GPIO21	GPIO22	Control Channel
INA3221(0x40)	SDA	SCL	AXP_GPIO0,AXP_GPIO1
INA3221(0x41)	SDA	SCL	AXP_GPIO2,AXP_GPIO3,AXP_GPIO4

Internal I2C connection

ESP32 Chip	GPIO21	GPIO22
AXP192	SDA	SCL
BM8563	SDA	SCL
INA3221	SDA	SCL

PWR485

Chip	GPIO3	GPIO1	GPIO2	(DCDC 9~24->5V)	GND
SP3485	TXD	RXD	Send - High Level / Receive - Low Level		GND
SY8303				VIN_12V

Power Management Chips (AXP192)

RTC	LCD BackLight	ESP32-3.3V SK6812,INA3221,CH902F
LDO1	LDO3	DC-DC1

USB to Serial Port

ESP32 Chip	GPIO3	GPIO1
CH9102F	TXD	RXD

M5Station Port Description

PORT	PIN	Metering Port	Notes:
PORT-A1(red)	G32/33(SDA/SCL)	AXP_GPIO0	I2C
PORT-A2(red)	G32/33(SDA/SCL)	AXP_GPIO0	I2C
PORT-B1(black)	G25/35(OUT/IN)	AXP_GPIO1	DAC/ADC
PORT-B2(black)	G26/36(OUT/IN)	AXP_GPIO2	DAC/ADC
PORT-C1(blue)	G14/13(TX/RX)	AXP_GPIO3	UART
PORT-C2(blue)	G17/16(TX/RX)	AXP_GPIO4	UART

Schematic

Model Size