{"product_id":"mcp23017-io-expansion-board","title":"MCP23017 IO Expansion Board","description":"\u003cp\u003eThe \u003cstrong\u003eMCP23017\u003c\/strong\u003e IO Expansion Board expands 2 signal pins as 16 I\/O pins based on the I2C bus.\u003c\/p\u003e \u003cp\u003eUp to 8 MCP23017 IO Expansion Boards can be used at the same time by selecting different addresses for each module, providing up to 128 I\/O pins!\u003c\/p\u003e \u003cp\u003eThis module is compatible with both 3.3V and 5V levels. Examples are provided for Raspberry Pi, micro:bit, Arduino and more!\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eI2C controlled, expands 2 signal pins as 16 I\/O pins\u003c\/li\u003e \u003cli\u003eI2C address configurable by shorting the A0\/A1\/A2 jumpers\u003c\/li\u003e \u003cli\u003eProvides two connector options: PH2.0 terminal and\/or solder pads, allows multi I2C modules to be stacked\u003c\/li\u003e \u003cli\u003eOnboard voltage translator, compatible with 3.3V\/5V level\u003c\/li\u003e \u003cli\u003e\nOnline development resources and manual (examples for Raspberry Pi \/ micro:bit \/ Arduino \/ STM32)\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eOperating voltage: 5V\/3.3V\u003c\/li\u003e \u003cli\u003eInterface: I2C\u003c\/li\u003e \u003cli\u003eInterrupt pins: INTA, INTB\u003c\/li\u003e \u003cli\u003eExpansion I\/Os: 16\u003c\/li\u003e \u003cli\u003eDimension: 38mm × 23mm\u003c\/li\u003e \u003cli\u003eMounting hole size: 2.0mm\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eProduct Wiki\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eInterface Definition\u003c\/h2\u003e \u003ctable class=\"tabSty-1\" style=\"height: 126px;\"\u003e \u003ctbody\u003e \u003ctr style=\"height: 18px;\"\u003e \u003cth style=\"height: 18px; width: 38px;\"\u003ePIN\u003c\/th\u003e \u003cth style=\"height: 18px; width: 165px;\"\u003eI2C\u003c\/th\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 38px;\"\u003eVCC\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 165px;\"\u003ePower supply, 3.3V\/5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 38px;\"\u003eGND\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 165px;\"\u003eGround\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 38px;\"\u003eSDA\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 165px;\"\u003eI2C data line\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 38px;\"\u003eSCL\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 165px;\"\u003eI2C clock line\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 38px;\"\u003eINTA\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 165px;\"\u003ePA group interrupt output\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 18px;\"\u003e \u003ctd style=\"height: 18px; width: 38px;\"\u003eINTB\u003c\/td\u003e \u003ctd style=\"height: 18px; width: 165px;\"\u003ePB group interrupt output\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1x MCP23017 IO Expansion Board\u003c\/li\u003e \u003cli\u003e1x PH2.0 20cm 6-pin cable\u003c\/li\u003e \u003c\/ul\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":48624157360346,"sku":"var1789685036175","price":5.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8318\/3834\/files\/mcp23017-io-expansion-board_1.jpg?v=1789685065","url":"https:\/\/memoryfoamwear.shop\/products\/mcp23017-io-expansion-board","provider":"My Store","version":"1.0","type":"link"}