MCP23017 I/O Expansion Module I2C IIC Supports For Arduino Raspberry Pi Micro:bit STM32

Feature:
I2C interface control, only 2 signal lines are needed to expand 16 I/O ports I2C communication address can be set, short-circuit A0/A1/A2 solder joint can modify the communication address Provide two interface types: PH2.0 terminal and pad, support multiple I2C modules in parallel Onboard level conversion circuit, compatible with 3.3V/5V working level Provide complete supporting information manual (Raspberry/Micro:bit/Arduino/STM32 sample program and user manual, etc.) ? Parameter:
Working voltage: 5V/3.3V Control interface: I2C Interrupt pins: INTA, INTB Number of expansion I/O ports: 16 Product size: 38mm ?? 23mm Via diameter: 2.0mm

Pin Function	I2C interface
VCC	Positive power supply, can be connected to 3.3V/5V power supply
GND	Power ground
SDA	I2C data cable
SCL	I2C clock line
INTA	PA group port interrupt output
INTB	PB group port interrupt output

Package includes:
1 x?Expansion Module 1 x?PH2.0 6PIN cable 20cm