M5Stamp Extend I/O Module (STM32F0)

The M5Stamp Extend I/O Module ('STAMP IO') from M5Stack is an IO expansion board based on the STM32F030 main controller, using an I2C communication interface, providing 8 IO expansions.

Each IO supports independent configuration of digital input/output, ADC, SERVO control and RGB LED control modes. Suitable for multi-channel digital/analog signal acquisition, and lighting/servo control applications.

Features

• 8-channel input and output expansion.
  • Digital input/output
  • ADC input
  • SERVO control (PWM)
  • RGB LED control
• I2C communication interface:
  • Supports configuration of I2C address
• Multiple soldering options
  • Three types of soldering options are available (SMT, DIP, Jumper wire),
  • With high-temperature resistant plastic enclosure, Peak temperature = 230℃

Package Contents

• 1x STAMP IO
• 1x HY2.0 4-pin female connector (red)
• 1x Hex key 1.5mm

Specifications

MCU	STM32F030
I2C Address	0x45(default)
Number of IO expansions	8
IO Support Mode	Digital I/O ADC SERVO control RGB LED control
IO Support Input/Output Levels	3.3V
Net Weight	2.5g
Gross Weight	4.3g
Product Size	15*4.7*16mm
Package Size	93*138mm

Resources

• Product Wiki
• Schematic
• Arduino:
  • ADC Input
  • Digital Input/Output
  • RGB LED Control
  • Servo Control