{"product_id":"iso1540-bidirectional-i2c-isolator-stemma-qt-for-qwiic","title":"ISO1540 Bidirectional I2C Isolator Board","description":"\u003cp\u003eSeparate two compatible I2C bus sections electrically with an ISO1540 bidirectional isolator breakout.\u003c\/p\u003e\u003cp\u003e✅ \u003cstrong\u003eKeep the signal domains isolated\u003c\/strong\u003e - The isolator passes supported bus communication across the described electrical barrier.\u003c\/p\u003e\u003cp\u003e✅ \u003cstrong\u003eRetain bidirectional bus behaviour\u003c\/strong\u003e - Bidirectional signalling and clock-stretching support suit a compatible I2C arrangement.\u003c\/p\u003e\u003cp\u003e✅ \u003cstrong\u003eConnect through matching small-format cables\u003c\/strong\u003e - STEMMA QT\/Qwiic-style connectors provide a convenient wiring option.\u003c\/p\u003e\u003ch2\u003ePower each side of the barrier\u003c\/h2\u003e\u003cp\u003eAn isolated bus can be useful when two circuit sections need to communicate without sharing a direct electrical connection. The ISO1540 board provides that communication stage for a properly designed system.\u003c\/p\u003e\u003cp\u003eEach side needs its own appropriate power connection. Check pull-ups, voltage levels and bus speed, and do not treat a chip isolation figure as a finished system's safety certification or high-voltage measurement category.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S77a0870f384e46f1bd42c23114ede60ez.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S02e54557b9c34490a850bc18d73dc74f0.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb49d8397045b46a5bfa97705b2338019a.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S04b35bc3c956424b98b0a97f6a88389dD.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S754256410e6f4d2692fb81c922f91629t.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd7ee2598487f4c90beb23bc8f1683e47K.jpg\"\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDevice: ISO1540\u003c\/li\u003e\n\u003cli\u003eType: bidirectional I2C isolator breakout\u003c\/li\u003e\n\u003cli\u003eSupply reference: 3-5.5 V per side\u003c\/li\u003e\n\u003cli\u003eEach side powered separately\u003c\/li\u003e\n\u003cli\u003eConnections: breakout pads and compatible QT-style connectors\u003c\/li\u003e\n\u003cli\u003eCables: not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAdd an isolation stage to your correctly designed I2C connection.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"Default Title","offer_id":63897923977546,"sku":"1005006848998981-Default Title","price":23.77,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/clean-main-16102232359242-20261013.png?v=1791852296","url":"https:\/\/spy-shop.com\/products\/iso1540-bidirectional-i2c-isolator-stemma-qt-for-qwiic","provider":"Spy-shop.com","version":"1.0","type":"link"}