{"product_id":"extend-io-2-unit-stm32f0","title":"Extend I\/O 2 Unit (STM32F0)","description":"\u003cstyle\u003e\n\/* ===== Scoped Description Style ===== *\/\n.product-description.rte {\n  font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n  color: #2c2c2c;\n  line-height: 1.65;\n  font-size: 16px;\n}\n\n\/* ===== Headings ===== *\/\n.product-description.rte h2 {\n  font-size: 1.8em;\n  color: #0D47A1;\n  border-left: 4px solid #1f6fe5;\n  padding-left: 12px;\n  margin-top: 32px;\n  margin-bottom: 16px;\n}\n\n\/* ===== H3 Titles Optimization ===== *\/\n.product-description.rte h3 {\n  font-size: 1.4em;\n  color: #0D47A1;\n  margin-top: 24px;\n  margin-bottom: 12px;\n  font-weight: 500;\n  padding-bottom: 6px;\n  border-bottom: 2px solid #e6e6e6;\n}\n\n\/* ===== Paragraphs ===== *\/\n.product-description.rte p {\n  margin-bottom: 20px;\n  line-height: 1.8;\n  color: #4a4f57;\n  font-size: 16px;\n}\n\n\/* ===== Paragraph Images (only in description) ===== *\/\n.product-description.rte img {\n  display: block;\n  max-width: 100%;\n  height: auto;\n  margin: 24px auto;\n  border-radius: 12px;\n  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);\n}\n\n\/* ===== Lists ===== *\/\n.product-description.rte ul {\n  padding-left: 20px;\n  margin-bottom: 16px;\n  list-style-type: disc;\n}\n.product-description.rte li {\n  margin-bottom: 6px;\n}\n\n\/* ===== Links ===== *\/\n.product-description.rte a {\n  color: #0288D1;\n  text-decoration: none;\n  transition: color 0.3s ease;\n}\n.product-description.rte a:hover {\n  color: #01579B;\n}\n\n\/* ===== M5Stack-style Spec Table ===== *\/\n.product-description.rte .table-container {\n  width: 100%;\n  margin: 24px 0;\n  overflow-x: auto;\n}\n.product-description.rte .table-container table {\n  width: 100%;\n  border-collapse: collapse;\n  font-family: inherit;\n  font-size: 14px;\n  color: #2c2f36;\n  background-color: #ffffff;\n  border-radius: 10px;\n  overflow: hidden;\n  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);\n}\n.product-description.rte .table-container thead th {\n  background: #1f6fe5;\n  color: #ffffff;\n  padding: 14px 16px;\n  text-align: center;\n  font-weight: 600;\n  border: none;\n  vertical-align: middle;\n}\n.product-description.rte .table-container td {\n  padding: 14px 16px;\n  border-bottom: 1px solid #e6ebf2;\n  vertical-align: middle;\n}\n.product-description.rte .table-container tbody td:first-child {\n  width: 36%;\n  text-align: center;\n  font-weight: 500;\n  color: #4a4f57;\n  background-color: rgba(31, 111, 229, 0.02);\n}\n.product-description.rte .table-container tbody tr:nth-child(even) {\n  background-color: #f7f9fc;\n}\n@media (hover: hover) {\n  .product-description.rte .table-container tbody tr:hover {\n    background-color: #eef3ff;\n  }\n}\n\n\/* ===== Learn \u0026 Documents Button ===== *\/\n.product-description.rte #learn-and-documents-btn {\n  display: inline-flex;\n  align-items: center;\n  padding: 6px 14px;\n  background-color: #1f6fe5;\n  color: #ffffff;\n  font-weight: 600;\n  border-radius: 6px;\n  margin-top: 8px;\n  text-decoration: none;\n  transition: background 0.3s ease;\n}\n.product-description.rte #learn-and-documents-btn:hover {\n  background-color: #1661c1;\n}\n\n\/* ===== Responsive Design for Smaller Screens (with table adjustments) ===== *\/\n@media screen and (max-width: 768px) {\n  .product-description.rte .table-container table,\n  .product-description.rte .table-container thead,\n  .product-description.rte .table-container tbody,\n  .product-description.rte .table-container th,\n  .product-description.rte .table-container td,\n  .product-description.rte .table-container tr {\n    display: block;\n    width: 100%;\n  }\n  .product-description.rte .table-container thead {\n    display: none;\n  }\n  .product-description.rte .table-container tbody tr {\n    padding: 12px 0;\n    border-bottom: 1px solid #e6ebf2;\n  }\n  .product-description.rte .table-container tbody td {\n    padding: 8px 16px;\n    border: none;\n    text-align: left;\n  }\n  .product-description.rte .table-container tbody td:first-child {\n    width: 100%;\n    background: none;\n    color: #1f6fe5;\n    font-weight: 600;\n    padding-top: 16px;\n  }\n  .product-description.rte .table-container tbody td:last-child {\n    padding-bottom: 16px;\n    color: #2c2f36;\n    line-height: 1.6;\n  }\n\n  \/* Ensure button appears correctly on mobile *\/\n  .product-description.rte #learn-and-documents-btn {\n    font-size: 14px;\n    padding: 8px 16px;\n  }\n}\n\u003c\/style\u003e\n\u003ch2 data-id=\"Description\" id=\"description\"\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eUnit EXT.IO2\u003c\/strong\u003e is an \u003cstrong\u003eIO expansion unit\u003c\/strong\u003e developed based on the STM32F030 main controller, using an I2C communication interface, providing 8-channel IO expansion. Each IO channel supports independent configuration of \u003cstrong\u003edigital input\/output\u003c\/strong\u003e, \u003cstrong\u003eADC\u003c\/strong\u003e, \u003cstrong\u003eSERVO control\u003c\/strong\u003e, and \u003cstrong\u003eRGB LED control\u003c\/strong\u003e modes. It supports configuring the device's I2C address, which means users can mount multiple \u003cstrong\u003eUnit EXT.IO2\u003c\/strong\u003e units on the same I2C bus to expand more IO resources. It is suitable for applications such as multi-channel digital\/analog signal acquisition and light\/servo control.\u003c\/p\u003e\n\u003ch2 data-id=\"Features\" id=\"features\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e8-channel input\/output expansion:\n\u003cul\u003e\n\u003cli\u003eDigital input\/output\u003c\/li\u003e\n\u003cli\u003eADC input\u003c\/li\u003e\n\u003cli\u003eSERVO control (PWM)\u003c\/li\u003e\n\u003cli\u003eRGB LED control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eI2C communication interface:\n\u003cul\u003e\n\u003cli\u003eSupports I2C address configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-id=\"Includes\" id=\"includes\"\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Unit EXT.IO2\u003c\/li\u003e\n\u003cli\u003e1 x HY2.0-4P Grove connection cable (20cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-id=\"Applications\" id=\"applications\"\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIO expansion\u003c\/li\u003e\n\u003cli\u003eServo control\u003c\/li\u003e\n\u003cli\u003eMulti-channel light control\u003c\/li\u003e\n\u003cli\u003eMulti-channel analog signal acquisition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-id=\"Specifications\" id=\"specifications\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eSTM32F030F4P6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eI2C @0x45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of IO Expansions\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO Interface Pin Spacing\u003c\/td\u003e\n\u003ctd\u003e2.54mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO Supported Modes\u003c\/td\u003e\n\u003ctd\u003eDigital input\/output, ADC, SERVO control, RGB LED control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO Supported Input\/Output Level\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Size\u003c\/td\u003e\n\u003ctd\u003e32.0 x 24.0 x 10.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003e5.0g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Size\u003c\/td\u003e\n\u003ctd\u003e138.0 x 93.0 x 11.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e10.0g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eLearn and Documents\u003c\/h2\u003e\n\n  → DOCUMENTS\n\n\u003c\/div\u003e","brand":"m5stack-store","offers":[{"title":"Default Title","offer_id":44021546319931,"sku":"vpb1787247095821","price":4.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/6651\/8331\/files\/extend-io-2-unit-stm32f0_1.jpg?v=1787247104","url":"https:\/\/elitechicboutique.shop\/products\/extend-io-2-unit-stm32f0","provider":"My Store","version":"1.0","type":"link"}