--- product_id: 291669516 title: "Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels" brand: "waveshare" price: "B/.54" currency: PAB in_stock: true category: "Waveshare" url: https://www.desertcart.com.pa/products/291669516-waveshare-mcp23017-io-expansion-board-i2c-interface-expands-16-i store_origin: PA region: Panama --- # 3.3V & 5V voltage compatibility 16 I/O pins expansion Supports up to 8 stacked modules Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels **Brand:** waveshare **Price:** B/.54 **Availability:** βœ… In Stock ## Summary > πŸ”§ Unlock limitless I/O power and scale your innovation effortlessly! ## Quick Answers - **What is this?** Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels by waveshare - **How much does it cost?** B/.54 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/291669516-waveshare-mcp23017-io-expansion-board-i2c-interface-expands-16-i) ## Best For - waveshare enthusiasts ## Why This Product - Trusted waveshare brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Stack & Scale:** Stack up to 8 boards for a staggering 128 I/O pinsβ€”future-proof your projects. - β€’ **Massive I/O Expansion:** Transform 2 signal pins into 16 versatile I/O pins instantly. - β€’ **Dual Connector Convenience:** Choose between PH2.0 terminal or solder pads for flexible hardware setups. - β€’ **Seamless Voltage Flexibility:** Effortlessly compatible with both 3.3V and 5V systems for ultimate integration. - β€’ **Plug & Play Developer Support:** Comes with rich resources and examples for Raspberry Pi, Arduino, STM32, and more. ## Overview The Waveshare MCP23017 IO Expansion Board leverages I2C to expand 2 signal pins into 16 configurable I/O pins, compatible with both 3.3V and 5V logic levels. It supports stacking up to 8 modules for a total of 128 I/O pins, offers dual connector options, onboard voltage translation, and comprehensive development resources for seamless integration with popular microcontrollers and SBCs. ## Description MCP23017 IO Expansion Board, I2C Interface, Expands 16 I/O PinsOverviewThe MCP23017 IO Expansion Board expands 2 signal pins as 16 I/O pins based on the I2C bus, up to 8 MCP23017 IO Expansion Board can be used at the same time, providing up to 128 I/O pins, it is compatible with both 3.3V and 5V levels.FeaturesI2C controlled, expands 2 signal pins as 16 I/O pinsI2C address configurable by shorting the A0/A1/A2 jumpersProvides two connector options: PH2.0 terminal and/or solder pads, allows multi I2C modules to be stackedOnboard voltage translator, compatible with 3.3V/5V levelComes with development resources and manual (examples for Raspberry Pi / micro:bit / Arduino / STM32)SpecificationsOperating voltage: 5V/3.3VInterface: I2CInterrupt pins: INTA, INTBExpansion I/Os: 16Dimension: 38mm Γ— 23mmMounting hole size: 2.0mmDevelopment ResourcesWiki : www.waveshare.com/wiki/MCP23017_IO_Expansion_Board?desertcart Package ContentMCP23017 IO Expansion Board x1PH2.0 20cm 6Pin x1Noted: More resources you may need , please contact with us via desertcart message . ## Features - The MCP23017 IO Expansion Board expands 2 signal pins as 16 I/O pins based on the I2C bus, up to 8 MCP23017 IO Expansion Board can be used at the same time, providing up to 128 I/O pins, it is compatible with both 3.3V and 5V levels - I2C controlled, expands 2 signal pins as 16 I/O pins I2C address configurable by shorting the A0/A1/A2 jumpers - Provides two connector options: PH2.0 terminal and/or solder pads, allows multi I2C modules to be stacked - Onboard voltage translator, compatible with 3.3V/5V level - Comes with development resources and manual (examples for Raspberry Pi / micro:bit / Arduino / STM32) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07P2H1NZG | | Best Sellers Rank | #150,640 in Computers ( See Top 100 in Computers ) #2,429 in Single-Board Computers | | Item model number | MCP23017 IO Expansion Board | | Manufacturer | Waveshare | | Package Dimensions | 9.1 x 5.2 x 2.1 cm; 20 g | ## Product Details - **Brand:** Waveshare - **Connectivity technology:** I2C, Infrared - **Included components:** MCP23017 IO Expansion Board, PH2.0 20cm 6Pin cable - **Model name:** MCP23017-E/SP MCP23017 16-Bit I/O Expander with Serial Interface - **Operating system:** Linux ## Images ![Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels - Image 1](https://m.media-amazon.com/images/I/61aNbX11TbL.jpg) ![Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels - Image 2](https://m.media-amazon.com/images/I/71boaRr7mJL.jpg) ![Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels - Image 3](https://m.media-amazon.com/images/I/61TtSI1oI-L.jpg) ![Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels - Image 4](https://m.media-amazon.com/images/I/61pY+Sv1ZOL.jpg) ![Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels - Image 5](https://m.media-amazon.com/images/I/61CstgAMCiL.jpg) ## Frequently Bought Together - Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects - ANMBEST 2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.pa/products/291669516-waveshare-mcp23017-io-expansion-board-i2c-interface-expands-16-i](https://www.desertcart.com.pa/products/291669516-waveshare-mcp23017-io-expansion-board-i2c-interface-expands-16-i) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-06-21*