--- 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: "126 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/291669516-waveshare-mcp23017-io-expansion-board-i2c-interface-expands-16-i store_origin: PL region: Poland --- # I2C Interface Multi-Module Stacking 16 I/O Pins Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels **Brand:** waveshare **Price:** 126 zł **Availability:** ✅ In Stock ## Summary > 🔧 Unlock Your Project's Potential! ## 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?** 126 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/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 - • **Stackable Power:** Connect up to 8 boards for a total of 128 I/O pins! - • **Easy Configuration:** I2C address easily configurable with jumpers. - • **Expand Your Horizons:** Transform 2 signal pins into a whopping 16 I/O pins! - • **Comprehensive Resources:** Includes development resources for Raspberry Pi, Arduino, and more! - • **Versatile Compatibility:** Works seamlessly with both 3.3V and 5V systems. ## Overview The Waveshare MCP23017 IO Expansion Board is a powerful I2C interface that expands 2 signal pins into 16 I/O pins, allowing for extensive connectivity options. It supports up to 8 boards simultaneously, providing a total of 128 I/O pins. Compatible with both 3.3V and 5V levels, it features easy address configuration and comes with development resources for popular platforms like Raspberry Pi, Arduino, and STM32. ## Description Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels ## 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 | #99 in Computer Motherboards #389 in Single Board Computers (Computers & Accessories) | | Brand | waveshare | | Customer Reviews | 4.2 4.2 out of 5 stars (78) | | Date First Available | October 15, 2018 | | Is Discontinued By Manufacturer | No | | Item Weight | 0.704 ounces | | Item model number | MCP23017 IO Expansion Board | | Manufacturer | Waveshare | | Number of Processors | 1 | | Operating System | Linux | | Package Dimensions | 3.58 x 2.05 x 0.83 inches | | Power Source | DC | | Processor Brand | Waveshare | | RAM | DDR3 | | Series | MCP23017-E/SP MCP23017 16-Bit I/O Expander with Serial Interface | | Wireless Type | Infrared | ## Product Details - **Brand:** Waveshare - **Model name:** MCP23017-E/SP MCP23017 16-Bit I/O Expander with Serial Interface - **Connectivity technology:** I2C, Infrared - **Included components:** MCP23017 IO Expansion Board, PH2.0 20cm 6Pin cable - **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) ## 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? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/291669516-waveshare-mcp23017-io-expansion-board-i2c-interface-expands-16-i](https://www.desertcart.pl/products/291669516-waveshare-mcp23017-io-expansion-board-i2c-interface-expands-16-i) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-30*