{"product_id":"3-3v-5v-micro-bit-expansion-board","title":"3.3V-5V MICRO:BIT Expansion Board","description":"\u003cstyle\u003e\n    .product-copy {\n      line-height: 1.7;\n      color: #222;\n      font-size: 16px;\n    }\n\n```\n.product-copy h2,\n.product-copy h3 {\n  margin-top: 28px;\n  margin-bottom: 12px;\n  line-height: 1.3;\n}\n\n.product-copy p {\n  margin-bottom: 16px;\n}\n\n.product-copy ul {\n  margin: 12px 0 18px 22px;\n  padding: 0;\n}\n\n.product-copy li {\n  margin-bottom: 8px;\n}\n\n.product-copy table {\n  width: 100%;\n  border-collapse: collapse;\n  margin: 18px 0;\n  font-size: 15px;\n}\n\n.product-copy th,\n.product-copy td {\n  border: 1px solid #ddd;\n  padding: 12px;\n  text-align: left;\n  vertical-align: top;\n}\n\n.product-copy th {\n  background: #f7f7f7;\n  font-weight: 700;\n  width: 35%;\n}\n\n.product-copy .note {\n  background: #fff8e5;\n  border-left: 4px solid #f0b429;\n  padding: 12px 14px;\n  margin: 18px 0;\n  border-radius: 6px;\n}\n\n.product-copy .faq-list details {\n  border: 1px solid #ddd;\n  padding: 14px 16px;\n  margin-bottom: 10px;\n  border-radius: 8px;\n  background: #fff;\n}\n\n.product-copy .faq-list summary {\n  cursor: pointer;\n  font-weight: 700;\n}\n```\n\n  \u003c\/style\u003e\n\u003cdiv class=\"product-copy\"\u003e\n\u003ch2\u003e3.3V-5V micro:bit Expansion Board\u003c\/h2\u003e\n\u003cp\u003eThe 3.3V-5V micro:bit Expansion Board is a compact adapter board for making micro:bit wiring easier. It breaks out common micro:bit pins and supports 3.3V to 5V level conversion, making it useful for selected sensors, modules, and classroom projects.\u003c\/p\u003e\n\u003cp\u003eThis board is helpful for students, teachers, makers, and beginners who want a cleaner way to connect I2C modules, digital modules, analog sensors, and power inputs to a micro:bit project.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Expansion Board?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMakes micro:bit pins easier to access.\u003c\/li\u003e\n\u003cli\u003eSupports 3.3V to 5V level conversion.\u003c\/li\u003e\n\u003cli\u003eIncludes I2C, digital, and analog interfaces.\u003c\/li\u003e\n\u003cli\u003eUseful for sensors, modules, LEDs, and STEM projects.\u003c\/li\u003e\n\u003cli\u003eHas a micro USB 5V interface for power input.\u003c\/li\u003e\n\u003cli\u003eIncludes a 3.3V battery case interface.\u003c\/li\u003e\n\u003cli\u003eHas a self-resetting fuse for added protection.\u003c\/li\u003e\n\u003cli\u003eIncludes power on\/off control for easier testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003emicro:bit STEM projects\u003c\/li\u003e\n\u003cli\u003eSensor and module wiring\u003c\/li\u003e\n\u003cli\u003eI2C device testing\u003c\/li\u003e\n\u003cli\u003eDigital input and output projects\u003c\/li\u003e\n\u003cli\u003eAnalog sensor experiments\u003c\/li\u003e\n\u003cli\u003eClassroom coding activities\u003c\/li\u003e\n\u003cli\u003eDIY micro:bit prototypes\u003c\/li\u003e\n\u003cli\u003eBasic electronics practice\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3.3V-5V micro:bit Expansion Board - 1 pc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cp\u003eNote: micro:bit board, USB cable, battery case, sensors, jumper wires, and other accessories are not included unless stated in the package.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003emicro:bit expansion board with level conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage Support\u003c\/th\u003e\n\u003ctd\u003e3.3V and 5V level conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eI2C Interface\u003c\/th\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDigital Interface\u003c\/th\u003e\n\u003ctd\u003eP8 to P16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAnalog Interface\u003c\/th\u003e\n\u003ctd\u003eP0 to P2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery Case Interface\u003c\/th\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMicro USB Interface\u003c\/th\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eSelf-resetting fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Control\u003c\/th\u003e\n\u003ctd\u003ePower on\/off switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBoard Size\u003c\/th\u003e\n\u003ctd\u003e67mm x 29mm \/ 2.64in x 1.14in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003ctd\u003emicro:bit projects, sensors, I2C modules, classroom activities, and STEM learning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSkill Level\u003c\/th\u003e\n\u003ctd\u003eBeginner to intermediate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSetup Notes\u003c\/h3\u003e\n\u003cp\u003eInsert the micro:bit into the expansion board, then connect your sensors or modules to the matching I2C, digital, analog, power, and ground pins.\u003c\/p\u003e\n\u003cp\u003eCheck the voltage needs of each module before use. Some parts work at 3.3V, while others may need 5V support. Always match the wiring before powering the circuit.\u003c\/p\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003emicro:bit board is not included.\u003c\/li\u003e\n\u003cli\u003eCheck pin labels before connecting modules.\u003c\/li\u003e\n\u003cli\u003eUse the correct voltage for each connected part.\u003c\/li\u003e\n\u003cli\u003eDo not overload the power output pins.\u003c\/li\u003e\n\u003cli\u003eDisconnect power before changing wiring.\u003c\/li\u003e\n\u003cli\u003eUse care when working with 5V modules and 3.3V logic boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended Add-ons\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/microbit\"\u003emicro:bit boards and accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/sensors\"\u003eSensors and modules\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jumper-wires\"\u003eJumper wires\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/breadboards\"\u003eBreadboards and prototyping parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/stem-kits\"\u003eSTEM kits\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-list\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is this board used for?\u003c\/summary\u003e\n\u003cp\u003eIt is used to make micro:bit wiring easier for sensors, modules, I2C devices, digital pins, and analog inputs.\u003c\/p\u003e\n\u003c\/details\u003e\n```\n\u003cdetails\u003e\n\u003csummary\u003eDoes it include a micro:bit board?\u003c\/summary\u003e\n\u003cp\u003eNo. This listing is for the expansion board only.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it support 5V modules?\u003c\/summary\u003e\n\u003cp\u003eIt supports 3.3V to 5V level conversion. Always check your module voltage needs before wiring.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pins are available?\u003c\/summary\u003e\n\u003cp\u003eIt includes I2C, digital P8-P16, and analog P0-P2 interfaces.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this good for classroom use?\u003c\/summary\u003e\n\u003cp\u003eYes. It is useful for STEM lessons, coding practice, and micro:bit electronics projects.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":52860703015201,"sku":"0630","price":1646.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/YXB925-1.jpg?v=1781680221","url":"https:\/\/circuit.rocks\/products\/3-3v-5v-micro-bit-expansion-board","provider":"circuitrocks","version":"1.0","type":"link"}