SEENGREAT MCP23017 IO Expander Module I2C Interface Expands 16 I/O Pins for Ardui/Stm32/Raspberry Pi Zero W Zero WH 2B 3B 3B+ 4B, 3.3V and 5V Levels, 3-Digit DIP Switch

SEENGREAT MCP23017 IO Expander Module I2C Interface Expands 16 I/O Pins for Ardui/Stm32/Raspberry Pi Zero W Zero WH 2B 3B 3B+ 4B, 3.3V and 5V Levels, 3-Digit DIP Switch

Overview: This MCP23017(SG-IO-E017) expansion module adopts I2C interface to realize 16 I/O port expansion. It supports for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B etc models as well as Ardui. and STM32. We provide C and Python demo codes for the Raspberry Pi, as well as Ardui. and STM32 demo codes, that can implement input testing, output testing, and interrupt testing. Specifications: Dimensions: 45mm(Length)25mm(width) Control chip: MCP23017. Signal interface: I2C. Supply voltage: 3.3 V/5 V. Expansion I/O: 16. Interrupt pin: INTA、INTB. Interface definition: VCC: Power supply positive (3.3 V/5 V). GND: Power supply ground. SDA: I2C data line. SCL: I2C clock line. INTA: PA port interrupt pin. INTB: PB port interrupt pin. Package contents: 1. SG-IO-E017 IO Expansion Module x1 2. PH2.0 6PIN connecting cable x1

Product Features

• MCP23017(SG-IO-E017) IO port expander module adopts I2C interface, less pin occupation
• MCP23017 breakout board onboard 3-digit DIP switch is convenient for users to set I2C address
• Compatible with 3.3V/5V working level
• PH2.0 interface and 2.54mm spacing pad reserved for easy access to other development boards
• We provide open source demo codes for Raspberry Pi, Ardui. and STM32 development boards