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The M5Stack Extend I/O 2 Unit (EXT.IO2) is an IO extension unit, based on the STM32F030 main controller, using the I2C communication interface and providing 8 IO expansions.
Each IO supports independent configuration of digital I/O, ADC, SERVO control and RGB LED control modes. Supports configuration of device I2C address, which means that users can mount multiple EXT.IO2 UNITs on the same I2C BUS to extend more IO resources.
Suitable for multiple digital/analog signal acquisition, with lighting/servo control applications.
MCU | STM32F030 |
I2C Address | 0x45(default) |
Number of IO extensions | 8 |
IO interface PIN spacing | 2.54mm |
IOSupport Mode | Digital input/output ADC SERVO control RGB LED control |
IO Input/Output Level Support | 3.3V |
Net Weight | 5g |
Gross Weight | 13g |
Product Size | 32*24*11mm |
Package Size | 93*138mm |
M5Core (PORT A) | GPIO22 | GPIO21 | 5V | GND |
EXT.IO2 Unit | SCL | SDA | 5V | GND |