{"product_id":"arduino-uno-r4-wifi","title":"Arduino UNO R4 WiFi","description":"\u003cmeta name=\"description\" content=\"Buy Arduino UNO R4 WiFi online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003eArduino UNO R4 WiFi\u003c\/h1\u003e\n\u003cp\u003eThe next evolution of the world's most popular microcontroller board. The Arduino UNO R4 WiFi combines a powerful Renesas RA4M1 32-bit Arm Cortex-M4 processor with onboard ESP32-S3 Wi-Fi \u0026amp; Bluetooth connectivity, a built-in 12x8 LED matrix, and full backward compatibility with existing UNO shields and projects. Available now from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, and expert support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eRenesas RA4M1 (Arm Cortex-M4, 48 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity Module\u003c\/td\u003e\n\u003ctd\u003eESP32-S3 (Wi-Fi 802.11 b\/g\/n, Bluetooth 5.0 LE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (Recommended)\u003c\/td\u003e\n\u003ctd\u003e6-24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e256 KB (RA4M1) + 384 KB (ESP32-S3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e32 KB (RA4M1) + 512 KB (ESP32-S3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital I\/O Pins\u003c\/td\u003e\n\u003ctd\u003e14 (6 PWM capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Input Pins\u003c\/td\u003e\n\u003ctd\u003e6 (14-bit ADC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDAC Output\u003c\/td\u003e\n\u003ctd\u003e1 (12-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Bus\u003c\/td\u003e\n\u003ctd\u003e1 (via built-in transceiver)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOP AMP\u003c\/td\u003e\n\u003ctd\u003e1 (built-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Matrix\u003c\/td\u003e\n\u003ctd\u003e12x8 Red LED Array (onboard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Connector\u003c\/td\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e48 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003e68.85 mm x 53.34 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 25 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino UNO form factor (backward compatible with UNO R3 shields)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eOfficial Arduino Development Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003e100% Original \/ Authentic Arduino Product\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp Technical Support 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose the Arduino UNO R4 WiFi?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive Performance Upgrade:\u003c\/strong\u003e The 32-bit Arm Cortex-M4 processor at 48 MHz delivers up to 12x more computational power than the classic UNO R3's ATmega328P, with 256 KB flash and 32 KB SRAM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Wi-Fi \u0026amp; Bluetooth:\u003c\/strong\u003e The onboard ESP32-S3 module enables IoT projects out of the box - connect to cloud platforms like Arduino Cloud, Blynk, or MQTT brokers without additional shields.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12x8 LED Matrix Display:\u003c\/strong\u003e Create scrolling text, animations, visualizations, and real-time data displays directly on the board - no external display needed for quick prototyping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14-bit ADC Resolution:\u003c\/strong\u003e Read analog sensors with significantly greater precision than the 10-bit ADC on UNO R3, ideal for scientific instruments and precision measurement projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in 12-bit DAC:\u003c\/strong\u003e Generate true analog output signals for audio projects, waveform generation, and analog control systems without external DAC modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAN Bus Support:\u003c\/strong\u003e Native CAN bus transceiver built into the board for automotive, industrial automation, and robotics communication protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Op-Amp:\u003c\/strong\u003e Built-in operational amplifier for signal conditioning and amplification directly on the board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-C Connector:\u003c\/strong\u003e Modern, reversible USB-C for programming and power - more durable and universally compatible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Backward Compatibility:\u003c\/strong\u003e Same UNO form factor, 5V logic, and pin layout - your existing shields, sensors, and code work seamlessly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Authentic Arduino:\u003c\/strong\u003e Sourced directly from authorized Arduino distributors. Genuine product with full manufacturer backing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast 1-5 days shipping:\u003c\/strong\u003e Ships from our Bengaluru warehouse to most locations across India. Same-day delivery available in Bengaluru.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support:\u003c\/strong\u003e Our engineering team provides hands-on guidance for your projects via email and WhatsApp.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features Breakdown\u003c\/h2\u003e\n\n\u003ch3\u003eRenesas RA4M1 Microcontroller\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the UNO R4 WiFi is the Renesas RA4M1 - a 32-bit Arm Cortex-M4 processor running at 48 MHz. With 256 KB of flash memory and 32 KB of SRAM, it handles complex algorithms, floating-point math, and real-time signal processing that the classic 8-bit ATmega328P simply couldn't manage. Whether you\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy Arduino UNO R4 WiFi Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eArduino UNO R4 WiFi\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eArduino UNO R4 WiFi\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eArduino UNO R4 WiFi\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43720276377763,"sku":"TES-EV2352","price":2680.63,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/1691486170462-0a0b3c00f0c64fc2-3F487FC1A1E71D8AA732AFAE89F87633.jpg?v=1699528797","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/arduino-uno-r4-wifi","provider":"The Engineer Store","version":"1.0","type":"link"}