UNO R3 Board ATmega328P ATmega16U2 with FREE USB Cable Electronic
UNO R3 Board ATmega328P ATmega16U2 with FREE USB Cable Electronic
UNO R3 Board ATmega328P ATmega16U2 with FREE USB Cable Electronic
Premium electronics from The Tech Depot, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, support.
Product Description
The UNO R3 Board is the gold standard of Arduino-compatible microcontroller development boards, featuring the powerful ATmega328P main processor and the reliable ATmega16U2 as the USB-to-serial converter chip. Whether you're a beginner stepping into the world of embedded systems or an experienced engineer prototyping your next breakthrough project, this board delivers rock-solid performance, wide library support, and seamless compatibility with thousands of shields, sensors, and modules. This package includes a FREE USB Type-B cable so you can start programming and powering your board right out of the box-no hunting for extra accessories.
Specifications
| Parameter | Details |
| Microcontroller | ATmega328P |
| USB Interface Chip | ATmega16U2 (genuine, not CH340 clone) |
| Operating Voltage | 5V |
| Input Voltage (Recommended) | 7-12V |
| Input Voltage (Limits) | 6-20V |
| Digital I/O Pins | 14 (6 provide PWM output) |
| Analog Input Pins | 6 |
| DC Current per I/O Pin | 20 mA |
| DC Current for 3.3V Pin | 50 mA |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Clock Speed | 16 MHz |
| USB Connector | Type-B |
| Board Dimensions | 68.6 mm x 53.4 mm |
| Weight | ~25 g |
| LED Indicators | Power (ON), TX, RX, Pin 13 (L) |
| Reset Button | Yes |
| ICSP Headers | 2 (one for ATmega328P, one for ATmega16U2) |
| Communication | UART, I2C (SPI), SPI |
| Compatible Software | Arduino IDE (Windows, macOS, Linux) |
| USB Cable Included | Yes - FREE USB Type-A to Type-B cable |
| Type | Microcontroller Development Board |
| Origin | Original / Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Why ATmega16U2 Matters
Many budget boards use a CH340 or CP2102 USB-to-serial chip, which often requires separate driver installation and can cause compatibility headaches. This UNO R3 uses the genuine ATmega16U2, which provides:
- Native USB communication recognized instantly by all major operating systems
- No driver installation needed on Windows 10/11, macOS, and Linux
- True Arduino UNO compatibility - behaves identically to the official reference design
- DFU mode support - the ATmega16U2 can be reprogrammed for custom USB devices (MIDI, HID keyboard/mouse, etc.)
Why Choose This?
- 100% authentic from trusted, authorized suppliers - ATmega16U2 USB chip, not a cheap CH340 clone
- FREE USB cable included - connect, upload, and power immediately
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most of India
- Expert technical support included - get help with wiring, code, and troubleshooting
- Massive ecosystem - compatible with 1,000+ shields, libraries, and community tutorials
- Ideal for both 5V and 3.3V peripherals - onboard 3.3V regulator included
Key Features Explained
The Tech Depot Power Management
The board accepts power via USB, DC barrel jack (7-12V recommended), or the VIN pin. An onboard voltage regulator ensures stable 5V and 3.3V rails, protecting your connected sensors and modules from voltage fluctuations.
14 Digital I/O Pins
Control LEDs, relays, motors, servos, and more. Six of these pins support PWM (Pulse Width Modulation) output for smooth dimming, speed control, and analog-like signal generation.
6 Analog Input Pins
Read data from temperature sensors, potentiometers, light-dependent resistors, soil moisture probes, and any analog sensor with 10-bit resolution (0-1023 values).
Serial Communication
Built-in UART, SPI, and I2C interfaces let you communicate with GPS modules, OLED displays, SD cards, real-time clocks, Bluetooth modules, and hundreds of other peripherals simultaneously.
Auto-Reset for Easy Programming
The ATmega16U2 handles automatic reset during code upload - no need to press the reset button manually. Just click "Upload" in the Arduino IDE and your sketch loads seamlessly.
Project Ideas
Home Automation
Build a smart home controller that manages lights, fans, door locks, and appliances via relay modules. Add a Bluetooth or Wi-Fi shield for smartphone control.
Weather Station
Connect a DHT22 temperature/humidity sensor, BMP280 barometric pressure sensor, and a rain gauge to create a fully functional weather monitoring station with LCD or OLED display.
Robotics
Drive DC motors, stepper motors, and servos using motor driver shields. Add ultrasonic sensors for obstacle avoidance and build line-following or maze-solving robots.
Smart Agriculture
Monitor soil moisture, ambient temperature, humidity, and light levels. Automate irrigation pumps based on real-time sensor data to conserve water and improve crop yield.
MIDI Controller / Musical Instruments
Reprogram the ATmega16U2 in DFU mode to turn your UNO into a USB MIDI device. Build custom MIDI controllers, drum pads, or digital synthesizers.
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy UNO R3 Board ATmega328P ATmega16U2 with FREE USB Cable Electronic Online in India
Purchase the UNO R3 Board ATmega328P ATmega16U2 with FREE USB Cable Electronic online at The Tech Depot - 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 UNO R3 Board ATmega328P ATmega16U2 with FREE USB Cable Electronic 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.
Looking to buy UNO R3 Board ATmega328P ATmega16U2 with FREE USB Cable Electronic at the best price in India? The Tech Depot 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.