{"product_id":"waveshare-pcf8574t-pcf8574-io-expansion-module-i-o-i2c-board","title":"Waveshare PCF8574T PCF8574 IO Expansion Module I\/O I2C Board","description":"\u003cdiv id=\"specification\"\u003e\u003c\/div\u003e\u003cdiv id=\"specification_end\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eFeature:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eFunction introduction: I\/O expansion module based on I2C interface, using 2 I\/O can expand 8 I\/O (it can use up to 8 PCF8574 at the same time, expand to 64 I\/O)\u003c\/div\u003e\u003cdiv\u003eMain features: 1. Support two interface types to access the target board: pin header or row seat\u003c\/div\u003e\u003cdiv\u003e2. Support I2C bus cascading (multiple I2C modules can be used at the same time through the method of pin header and row seat docking)\u003c\/div\u003e\u003cdiv\u003eTypical applications: I\/O expansion for MCUs with scarce I\/O resources\u003c\/div\u003e\u003cdiv\u003eMain resources: PCF8574, I2C interface, 8-bit parallel port\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cfont color=\"#ff0000\"\u003e\u003cb\u003eDocuments:\u003c\/b\u003e\u003c\/font\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cfont color=\"#ff0000\"\u003e\u003cbr\u003e\u003c\/font\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ca href=\"http:\/\/www.waveshare.net\/w\/upload\/d\/de\/PCF8574-Schematic.pdf\" target=\"_blank\"\u003e\u003cfont color=\"#ff0000\"\u003eSchematic: Click here to open\u003c\/font\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ca href=\"http:\/\/www.waveshare.net\/w\/upload\/1\/14\/PCF8574-Code.7z\" target=\"_blank\"\u003e\u003cfont color=\"#ff0000\"\u003eSample tutorial: Click here to open\u003c\/font\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ca href=\"http:\/\/www.waveshare.net\/w\/upload\/6\/6b\/PCF8574.pdf\" target=\"_blank\"\u003e\u003cfont color=\"#ff0000\"\u003ePCF8574: Click here to open\u003c\/font\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003ePackage includes:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e1 x IO Expansion Module\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/80\/03\/7183992e-a5de-49e5-b07d-e3522c219d72.jpg\" style=\"width: 780px;\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/4B\/6F\/85dabfd0-fda4-4010-9190-e2ff462b745c.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/43\/52\/659075ff-e445-4c53-a24e-e07b4ed6fd1e.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/B8\/C2\/34d6700b-b6a5-47e1-a3a9-5b91e118cedc.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/60\/A1\/d2e5ffc4-7614-4b8a-86ae-e127d2a72c7d.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"http:\/\/imgmgr.banggood.com\/images\/oaupload\/banggood\/images\/1F\/29\/870eaca4-3391-4357-8ade-b33e2bfa0383.jpg\" style=\"width:1000px\"\u003e\u003c\/p\u003e","brand":"Electronic Pro","offers":[{"title":"Default Title","offer_id":35461595627676,"sku":"1701751","price":265.38,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/34d6700b-b6a5-47e1-a3a9-5b91e118cedc.jpg?v=1597131276","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/waveshare-pcf8574t-pcf8574-io-expansion-module-i-o-i2c-board","provider":"Electronic Pro ","version":"1.0","type":"link"}