M5Stack Station ESP32 IoT Development Kit (RS485 Version)


Regular price $48.50

9 In Stock

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M5Station-485 is a multi-purpose industrial level programmable embedded controller with Espressif ESP32 SOC, integrated Wi-Fi and 'BT' 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.

Power Management

Power on: Click the central power button.
Power off: Press and hold the central power button for 4 seconds.


  • 1x M5Station-485
  • 1x Type-C USB (100cm)
  • 1x HEX Key


  • Industrial Controller
  • Multi-channel data acquisition
  • IoT product prototyping
  • DIY/Prototyping


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
Voltage/Current Collector INA3221 + INA199
USB Chips CH9102F
Step-Down Chips SY8303
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


  • Customer Reviews

    Based on 1 review
    M5Stack Station ESP32 IoT Development Kit (RS485 Version)

    I like the fact that I can control and measure the power on the Groove ports. Delivery was flawless as usual. Thanks.