{"id":8115362922676,"title":"MCP23017 IO Expansion Board I2C Interface for Raspberry Pi for Aruino STM32 3.3V\/5V Levels Expands 16 I\/O Pins Mini Size Version","handle":"mcp23017-io-expansion-board-i2c-interface-for-raspberry-pi-for-aruino-stm32-3-3v-5v-levels-expands-16-i-o-pins-mini-size-version","description":"\u003ch3\u003eMCP23017 IO Expansion Board I2C Interface for Raspberry Pi for Aruino STM32 3.3V\/5V Levels Expands 16 I\/O Pins Mini Size Version\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eOverview: This product adopts I2C interface to realize 16 I\/O port expansion.\nIt supports for Raspberry Pi Zero\/Zero W\/Zero WH\/2B\/3B\/3B+\/4B etc models as\nwell as Ardui. and STM32. We provide C and Python demo codes for the Raspberry\nPi, as well as Ardui. and STM32 demo codes, that can implement input testing,\noutput testing, and interrupt testing. Specifications: Dimensions:\n34.5mm(Length)25mm(width) Control chip: MCP23017. Signal interface: I2C.\nSupply voltage: 3.3 V\/5 V. Expansion I\/O: 16. Interrupt pin: INTA、INTB.\nInterface definition: VCC: Power supply positive (3.3 V\/5 V). GND: Power\nsupply ground. SDA: I2C data line. SCL: I2C clock line. INTA: PA port\ninterrupt pin. INTB: PB port interrupt pin. Package contents: 1. SG-IO-E017-A\nIO Expansion Module x1 2. PH2.0 6PIN connecting cable x1\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMCP23017(SG-IO-E017A) IO port expander module adopts I2C interface, less pin occupation. Mini size: 34.5 mm (length) x 25 mm (width)\u003c\/li\u003e\n \u003cli\u003eMCP23017(SG-IO-E017A) breakout board onboard 3-digit DIP switch is convenient for users to set I2C address\u003c\/li\u003e\n \u003cli\u003eCompatible with 3.3V\/5V working level\u003c\/li\u003e\n \u003cli\u003ePH2.0 interface and 2.54mm spacing pad reserved for easy access to other development boards\u003c\/li\u003e\n \u003cli\u003eWe provide open source demo codes for Raspberry Pi, Ardui. and STM32 development boards\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-02T10:44:51+10:00","created_at":"2026-09-02T00:17:58+10:00","vendor":"SEENGREAT","type":"IO Modules","tags":["industrial_DE_Aug2026"],"price":12700,"price_min":12700,"price_max":12700,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":44375091380404,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"de-B0BTP8JY8G","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MCP23017 IO Expansion Board I2C Interface for Raspberry Pi for Aruino STM32 3.3V\/5V Levels Expands 16 I\/O Pins Mini Size Version","public_title":null,"options":["Default Title"],"price":12700,"weight":30,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/auspowers.com\/cdn\/shop\/files\/de-B0BTP8JY8G.jpg?v=1788272280","\/\/auspowers.com\/cdn\/shop\/files\/61Qy5_3a7aL.jpg?v=1788272281","\/\/auspowers.com\/cdn\/shop\/files\/515Z386uQIL.jpg?v=1788272281","\/\/auspowers.com\/cdn\/shop\/files\/71rcfcKTUdL.jpg?v=1788272281","\/\/auspowers.com\/cdn\/shop\/files\/61SG5onm57L.jpg?v=1788272281","\/\/auspowers.com\/cdn\/shop\/files\/61nhGmRBhmL.jpg?v=1788272281","\/\/auspowers.com\/cdn\/shop\/files\/61TqArgl7nL.jpg?v=1788272281"],"featured_image":"\/\/auspowers.com\/cdn\/shop\/files\/de-B0BTP8JY8G.jpg?v=1788272280","options":["Title"],"media":[{"alt":null,"id":33273724174516,"position":1,"preview_image":{"aspect_ratio":1.5,"height":1200,"width":1800,"src":"\/\/auspowers.com\/cdn\/shop\/files\/de-B0BTP8JY8G.jpg?v=1788272280"},"aspect_ratio":1.5,"height":1200,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/de-B0BTP8JY8G.jpg?v=1788272280","width":1800},{"alt":null,"id":33273724207284,"position":2,"preview_image":{"aspect_ratio":1.679,"height":918,"width":1541,"src":"\/\/auspowers.com\/cdn\/shop\/files\/61Qy5_3a7aL.jpg?v=1788272281"},"aspect_ratio":1.679,"height":918,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/61Qy5_3a7aL.jpg?v=1788272281","width":1541},{"alt":null,"id":33273724240052,"position":3,"preview_image":{"aspect_ratio":1.699,"height":906,"width":1539,"src":"\/\/auspowers.com\/cdn\/shop\/files\/515Z386uQIL.jpg?v=1788272281"},"aspect_ratio":1.699,"height":906,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/515Z386uQIL.jpg?v=1788272281","width":1539},{"alt":null,"id":33273724272820,"position":4,"preview_image":{"aspect_ratio":0.471,"height":2560,"width":1206,"src":"\/\/auspowers.com\/cdn\/shop\/files\/71rcfcKTUdL.jpg?v=1788272281"},"aspect_ratio":0.471,"height":2560,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/71rcfcKTUdL.jpg?v=1788272281","width":1206},{"alt":null,"id":33273724305588,"position":5,"preview_image":{"aspect_ratio":1.5,"height":1200,"width":1800,"src":"\/\/auspowers.com\/cdn\/shop\/files\/61SG5onm57L.jpg?v=1788272281"},"aspect_ratio":1.5,"height":1200,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/61SG5onm57L.jpg?v=1788272281","width":1800},{"alt":null,"id":33273724338356,"position":6,"preview_image":{"aspect_ratio":1.5,"height":1200,"width":1800,"src":"\/\/auspowers.com\/cdn\/shop\/files\/61nhGmRBhmL.jpg?v=1788272281"},"aspect_ratio":1.5,"height":1200,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/61nhGmRBhmL.jpg?v=1788272281","width":1800},{"alt":null,"id":33273724371124,"position":7,"preview_image":{"aspect_ratio":1.5,"height":1200,"width":1800,"src":"\/\/auspowers.com\/cdn\/shop\/files\/61TqArgl7nL.jpg?v=1788272281"},"aspect_ratio":1.5,"height":1200,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/61TqArgl7nL.jpg?v=1788272281","width":1800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eMCP23017 IO Expansion Board I2C Interface for Raspberry Pi for Aruino STM32 3.3V\/5V Levels Expands 16 I\/O Pins Mini Size Version\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eOverview: This product adopts I2C interface to realize 16 I\/O port expansion.\nIt supports for Raspberry Pi Zero\/Zero W\/Zero WH\/2B\/3B\/3B+\/4B etc models as\nwell as Ardui. and STM32. We provide C and Python demo codes for the Raspberry\nPi, as well as Ardui. and STM32 demo codes, that can implement input testing,\noutput testing, and interrupt testing. Specifications: Dimensions:\n34.5mm(Length)25mm(width) Control chip: MCP23017. Signal interface: I2C.\nSupply voltage: 3.3 V\/5 V. Expansion I\/O: 16. Interrupt pin: INTA、INTB.\nInterface definition: VCC: Power supply positive (3.3 V\/5 V). GND: Power\nsupply ground. SDA: I2C data line. SCL: I2C clock line. INTA: PA port\ninterrupt pin. INTB: PB port interrupt pin. Package contents: 1. SG-IO-E017-A\nIO Expansion Module x1 2. PH2.0 6PIN connecting cable x1\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMCP23017(SG-IO-E017A) IO port expander module adopts I2C interface, less pin occupation. Mini size: 34.5 mm (length) x 25 mm (width)\u003c\/li\u003e\n \u003cli\u003eMCP23017(SG-IO-E017A) breakout board onboard 3-digit DIP switch is convenient for users to set I2C address\u003c\/li\u003e\n \u003cli\u003eCompatible with 3.3V\/5V working level\u003c\/li\u003e\n \u003cli\u003ePH2.0 interface and 2.54mm spacing pad reserved for easy access to other development boards\u003c\/li\u003e\n \u003cli\u003eWe provide open source demo codes for Raspberry Pi, Ardui. and STM32 development boards\u003c\/li\u003e\n \u003c\/ul\u003e"}