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Description
M5Stack Din Meter with M5StampS3
Compact & versatile
Built-in rotary encoder
Multi-power support
IoT & maker-friendly
Programmable interface
The M5Stack Din Meter w/ M5StampS3 is a compact and versatile embedded development board that conforms to the 1/32 DIN standard size. It is equipped with a 1.14-inch ST7789 screen and utilizes the M5StampS3 as its main controller. The board includes a built-in rotary encoder to accurately track knob positions and features an RTC circuit for real-time clock functionalities. An onboard buzzer and buttons located below the screen enable user interaction and provide alert notifications. The design accommodates a broad range of voltage inputs from 6-36V DC and includes interfaces for a lithium battery and charging circuit, making it adaptable to various power supply requirements. Additionally, it offers reserved PORTA and PORTB interfaces to extend I2C and GPIO device capabilities.
The device can be powered on by pressing the "WAKE" button or through an IRQ signal from the RTC timer. To maintain power after the wake-up signal, it is necessary to set a specific pin high during program initialization; otherwise, the device will revert to sleep mode. Powering off the device can be achieved by pressing the RST button or by setting a particular GPIO to low in the program when there is no USB external power supply. The board supports three power supply modes: USB, DC, and battery.
This development board is designed for a wide array of applications, including parameter measurement and detection, smart home control systems, Internet of Things (IoT) projects, smart wearables, access control systems, industrial control, and educational maker projects. It is programmable via platforms such as Arduino and UIFlow, offering flexibility for various project requirements.
Please note that to enter download mode, the G0 button on the StampS3 should be held down before powering on and released after the power is on.
