M5Stack designs and manufactures modular IoT development toolkits based on the ESP32 microcontroller, serving makers, engineers, and STEM education with open-source hardware and software solutions.
M5Stack (Shenzhen Mingzhan Information Technology Co., Ltd.) is a leading technology provider based in Shenzhen, China, dedicated to the design and production of modular IoT development toolkits. Their innovative product line relies on the powerful ESP32 microcontroller and features a stackable, Lego-style magnetic design that eliminates messy wiring during the prototyping phase.
The M5Stack ecosystem includes a variety of core controllers—such as the M5Core, M5Stick, and M5Atom series—along with an extensive range of functional modules and sensors known as "Units." These tools are supported by a rich software environment, including the UIFlow graphical programming platform and full compatibility with the Arduino IDE, making them accessible to beginners and professional engineers alike for applications in IoT, automation, and education.
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You can use the M5Burner tool, available on the M5Stack website, to download and flash factory or custom firmware to your device via USB.
M5Stack devices support a wide range of platforms including UIFlow (graphical programming), Arduino IDE, MicroPython, and ESP-IDF.
Official documentation, including pin maps, schematics, and API references, is available at docs.m5stack.com.
Ensure the device is charged. For the M5StickC Plus2, you may need to press the power button for 2 seconds to wake it, or ensure your code sets the power hold pin (G4) to high to keep the device powered on without USB.