M5Stack ESP32 GRAY Development Kit with 9-Axis Sensor


Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 846407
  1. Processor: ESP32
  2. Color: Gray
  3. Built-in Speaker, Buttons, LCD
  4. M-Bus Socket & Pins
  5. Development Platform UIFlow, MicroPython, Arduino


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Brand: M5 STACK
Category: IoT Development Boards
Tags: Development Board, IoT, ESP32

M5Stack GRAY Kit is one of the M5Stack development kit series, which is an upgrade from the Basic kits. In comparison, the Gray kit provides an extra IMU sensor, BMM150 + MPU6886. Gray kit is a nice choice for users who just get started or in progress.

With an IMU posture sensor, there are a lot of situations in which u can apply this kit to detecting acceleration, angulation, and trajectory. You can make relative products like sports data collectors, 3D remote gesture controller,s and more base on the above functions.

GRAY is an M5 Core device. Its modular, stackable, scalable, and portable device is powered with an ESP-32 core, which makes it open-source, low cost, full-function, and easy for developers to handle new product development on all stages include circuit design, PCB design, software, mold design, and production.

If you want to explore the fastest way of IoT prototyping, the M5Stack development board is the perfect solution. Not like others, the M5Stack development board is highly efficient, covered with industrial-grade case and ESP32-based development board. It integrates with Wi-Fi & Bluetooth modules and contains a dual-core and 16MB of SPI Flash. Together with 30+ M5Stack stackable modules, 40+ extendable units, and different levels of program language, you can create and verify your IoT product in a very short time.

Supportive development platforms and programming languages: Arduino, Blockly language with UIFlow, Micropython. Regardless of what level of programming skill you have, M5Stack would guide you every step of the way to realize your idea as well as to the final productization.

If you ever played with ESP8266, you would realize that ESP32 is a perfect upgrade out of ESP8266. In comparison, ESP32 has more GPIOs, more analog inputs, and two analog outputs, multiple extra peripherals( like a spare UART ). Official developing platform ESP-IDF has transplanted with FreeRTOS. With dual-core and real-time OS, you can get more organized code and much high-speed processor.

  1. Internet of things terminal controller
  2. Stem education product
  3. DIY creation


  1. ESP32-based
  2. Built-in Speaker, Buttons, LCD
  3. TF card slot (Up to 16GB support)
  4. Battery Socket & Lipo Battery
  5. Extendable Pins & Holes
  6. M-Bus Socket & Pins
  7. Development Platform UIFlow, MicroPython, Arduino

Package Includes:

1x ESP32 GREY Development Kit with 9-Axis Sensor

10x Femal-Male Dupont

1x Type-C USB(20cm)

1x User Manual

1x Sticker

SKU: 846407 Category: Tags: , ,

16MB Flash

Operating Voltage (VDC):


Operating Current (A):


Cable Length (cm)



GROVE(I2C+I/0+UART) x 1, TypeC x 1

IPS Screen

2 inch, 320×240 Colorful TFT LCD, ILI9342C, max brightness 853nit




Custom button x 3

Core Bottom Port

PIN (G1,G2,G3,G16, G17, G18, G19, G21, G22, G23, G25, G26, G35, G36)


BMM150 + MPU6886


Lithium Battery 110mAh @ 3.7V

Operating Temperature (°C)

0 to 40

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.1 kg
Shipping Dimensions 10 × 7 × 3 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China