{"product_id":"i-o-expansion-board-for-arduino-uno-r3","title":"I\/O Expansion Board for Arduino UNO R3","description":"\u003cp data-start=\"178\" data-end=\"449\"\u003eThe \u003cstrong data-start=\"182\" data-end=\"224\"\u003eUNO Sensor Shield Base Expansion Board\u003c\/strong\u003e is a versatile I\/O expansion module designed to simplify connections between your Arduino UNO and external components. It allows you to easily connect sensors, servos, relays, and modules without complex wiring or soldering.\u003c\/p\u003e\n\u003cp data-start=\"451\" data-end=\"644\"\u003eBy expanding all Arduino pins into convenient \u003cstrong data-start=\"497\" data-end=\"533\"\u003e3-pin headers (VCC, GND, Signal)\u003c\/strong\u003e, this shield enables fast, organized, and reliable prototyping—perfect for beginners and advanced users alike.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s1yvt8\" data-start=\"646\" data-end=\"667\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"650\" data-end=\"667\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"668\" data-end=\"1312\"\u003e\n\u003cli data-section-id=\"9bfai3\" data-start=\"668\" data-end=\"735\"\u003e\n\u003cstrong data-start=\"670\" data-end=\"692\"\u003eFull I\/O expansion\u003c\/strong\u003e – brings out all digital and analog pins\u003c\/li\u003e\n\u003cli data-section-id=\"1bcp0ze\" data-start=\"736\" data-end=\"854\"\u003e\n\u003cstrong data-start=\"738\" data-end=\"774\"\u003e3-pin headers (VCC, GND, Signal)\u003c\/strong\u003e – plug-and-play for sensors and modules \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xyoqls\" data-start=\"855\" data-end=\"912\"\u003e\n\u003cstrong data-start=\"857\" data-end=\"891\"\u003eCompatible with Arduino UNO R3\u003c\/strong\u003e and similar boards\u003c\/li\u003e\n\u003cli data-section-id=\"1fuxjse\" data-start=\"913\" data-end=\"1014\"\u003e\n\u003cstrong data-start=\"915\" data-end=\"947\"\u003eSupports multiple interfaces\u003c\/strong\u003e – I2C, UART, SPI, and more \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6tekix\" data-start=\"1015\" data-end=\"1137\"\u003e\n\u003cstrong data-start=\"1017\" data-end=\"1034\"\u003eServo support\u003c\/strong\u003e – can control multiple servo motors with external power option \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lz2fyk\" data-start=\"1138\" data-end=\"1258\"\u003e\n\u003cstrong data-start=\"1140\" data-end=\"1173\"\u003eDedicated communication ports\u003c\/strong\u003e – Bluetooth, RF, SD card, and LCD interfaces \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"a78alc\" data-start=\"1259\" data-end=\"1312\"\u003e\n\u003cstrong data-start=\"1261\" data-end=\"1281\"\u003eStackable design\u003c\/strong\u003e – mounts directly on Arduino\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1einuet\" data-start=\"1314\" data-end=\"1335\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1318\" data-end=\"1335\"\u003eApplications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1336\" data-end=\"1509\"\u003e\n\u003cli data-section-id=\"1pbicba\" data-start=\"1336\" data-end=\"1372\"\u003eArduino learning and prototyping\u003c\/li\u003e\n\u003cli data-section-id=\"17zl3xj\" data-start=\"1373\" data-end=\"1409\"\u003eRobotics and automation projects\u003c\/li\u003e\n\u003cli data-section-id=\"12sy5qk\" data-start=\"1410\" data-end=\"1434\"\u003eMulti-sensor systems\u003c\/li\u003e\n\u003cli data-section-id=\"vgw8in\" data-start=\"1435\" data-end=\"1467\"\u003eServo motor control projects\u003c\/li\u003e\n\u003cli data-section-id=\"l9g7d1\" data-start=\"1468\" data-end=\"1509\"\u003eIoT and wireless communication setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"e8he8i\" data-start=\"1511\" data-end=\"1534\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1515\" data-end=\"1534\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1535\" data-end=\"1882\"\u003e\n\u003cli data-section-id=\"15e7pba\" data-start=\"1535\" data-end=\"1592\"\u003eCompatibility: Arduino UNO R3 (and compatible boards)\u003c\/li\u003e\n\u003cli data-section-id=\"1677puf\" data-start=\"1593\" data-end=\"1628\"\u003eI\/O: 14 Digital + 6 Analog pins\u003c\/li\u003e\n\u003cli data-section-id=\"1ff2ym0\" data-start=\"1629\" data-end=\"1666\"\u003eInterface Support: I2C, UART, SPI\u003c\/li\u003e\n\u003cli data-section-id=\"sg79ms\" data-start=\"1667\" data-end=\"1711\"\u003eConnector Type: 3-pin (VCC, GND, Signal)\u003c\/li\u003e\n\u003cli data-section-id=\"knx0pa\" data-start=\"1712\" data-end=\"1811\"\u003ePower Options: Arduino 5V or external supply (for servos) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jyxaxz\" data-start=\"1812\" data-end=\"1882\"\u003ePCB Size: Approx. 57 × 56 mm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1ksadnt\" data-start=\"1884\" data-end=\"1909\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1888\" data-end=\"1909\"\u003ePackage Includes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1910\" data-end=\"1955\"\u003e\n\u003cli data-section-id=\"16bt6nt\" data-start=\"1910\" data-end=\"1955\"\u003e1 × UNO Sensor Shield I\/O Expansion Board\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alpha 3D Lab","offers":[{"title":"Default Title","offer_id":51916478087448,"sku":"NA220","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/6901\/3784\/files\/IMG_4403-768x512_jpg.webp?v=1775300755","url":"https:\/\/alpha3dlab.com\/products\/i-o-expansion-board-for-arduino-uno-r3","provider":"Alpha 3D Lab","version":"1.0","type":"link"}