{"product_id":"official-arduino-uno-r3-smd","title":"Arduino Uno R3 SMD","description":"\u003ch2\u003eOfficial Arduino Uno R3 SMD – ATmega328P + ATmega16U2 USB, Rev3 Pinout (SDA\/SCL\/IOREF) | 16MHz, 32KB Flash\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOfficial Arduino Uno Rev3 SMD\u003c\/strong\u003e is the genuine Arduino-manufactured edition of the world's most popular microcontroller board, featuring the \u003cstrong\u003eATmega328P in a surface-mount package\u003c\/strong\u003e and an \u003cstrong\u003eATmega16U2 for rock-solid USB-to-serial conversion\u003c\/strong\u003e. The \u003cstrong\u003eRev3 pinout adds dedicated SDA, SCL, and IOREF pins\u003c\/strong\u003e for improved I2C and shield compatibility. Running at \u003cstrong\u003e16MHz via ceramic resonator\u003c\/strong\u003e with \u003cstrong\u003e32KB flash (31.5KB usable), 2KB SRAM, and 1KB EEPROM\u003c\/strong\u003e, it supports \u003cstrong\u003e14 digital I\/O pins (6 PWM)\u003c\/strong\u003e and \u003cstrong\u003e6 analog inputs\u003c\/strong\u003e — everything needed to power from USB or a 7–12V adapter and start building immediately.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOfficial Arduino board\u003c\/strong\u003e – manufactured and quality-controlled by Arduino, not a clone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eATmega328P SMD\u003c\/strong\u003e – surface-mount controller for a lower profile and improved vibration resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eATmega16U2 USB interface\u003c\/strong\u003e – reliable, low-latency USB-to-serial for programming and serial monitor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRev3 pinout\u003c\/strong\u003e – dedicated SDA, SCL, and IOREF pins for seamless I2C and 3.3V\/5V shield compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14 digital I\/O, 6 PWM\u003c\/strong\u003e – control motors, servos, LEDs, relays, and displays\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6 analog inputs\u003c\/strong\u003e – 10-bit ADC for sensors, potentiometers, and signal reading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16MHz ceramic resonator\u003c\/strong\u003e – cost-effective, stable oscillator for consistent timing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual power input\u003c\/strong\u003e – USB or 7–12V DC jack; onboard regulator handles the rest\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrototyping with the full Arduino shield and library ecosystem\u003c\/li\u003e\n  \u003cli\u003eEducational electronics, STEM labs, and classroom coding\u003c\/li\u003e\n  \u003cli\u003eRobotics, servo control, and autonomous systems\u003c\/li\u003e\n  \u003cli\u003eIoT sensors, home automation, and data logging\u003c\/li\u003e\n  \u003cli\u003eAVR microcontroller learning and embedded programming\u003c\/li\u003e\n  \u003cli\u003ePermanent installations requiring an official, quality-verified board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:2px solid #2e2e2e;font-weight:700;color:#BAFF02;word-wrap:break-word;width:30%;\"\u003eFeature\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:2px solid #2e2e2e;font-weight:700;color:#BAFF02;word-wrap:break-word;\"\u003eSpecification\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eMicrocontroller\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003eATmega328P (SMD)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eUSB Interface\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003eATmega16U2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eClock Speed\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e16 MHz (ceramic resonator)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eFlash Memory\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e32KB (0.5KB used by bootloader)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eSRAM\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e2KB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eEEPROM\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e1KB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eOperating Voltage\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e5V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eInput Voltage\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e7–12V (recommended), 6–20V (limit)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eDigital I\/O Pins\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e14 (6 with PWM output)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eAnalog Input Pins\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e6\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eDC Current per I\/O Pin\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e20mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eDC Current (3.3V Pin)\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003e50mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003ePinout\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003eRev3 – with SDA, SCL, IOREF pins\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eOnboard LED\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003eLED_BUILTIN on pin 13\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;font-weight:600;\"\u003eConnectivity\u003c\/td\u003e\n      \u003ctd style=\"padding:10px 12px;border-bottom:1px solid #2e2e2e;vertical-align:top;word-wrap:break-word;\"\u003eUSB Type-B, DC barrel jack, ICSP header, reset button\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOfficial Arduino Uno R3 SMD Microcontroller Board × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size:13px;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is the official Arduino-manufactured board. USB cable and power supply are not included. The SMD ATmega328P is soldered directly and cannot be removed without desoldering.\u003c\/p\u003e\n","brand":"Arduino","offers":[{"title":"Default Title","offer_id":43062527950953,"sku":"ARD-015","price":2177.68,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/4229\/5401\/files\/Arduino_Uno_R3_SMD_Microcontroller_Board.webp?v=1774521635","url":"https:\/\/edgetechrobotics.com\/products\/official-arduino-uno-r3-smd","provider":"EdgeTech Robotics","version":"1.0","type":"link"}