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Official Arduino Uno R3 SMD Microcontroller Board
Official Arduino Uno R3 SMD Microcontroller Board
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- Microcontroller board featuring an ATmega328P in an SMD package
- Provides 14 digital input/output pins, with 6 capable of PWM output
- Includes 6 analog input pins for reading sensor data
- Equipped with a 16 MHz ceramic resonator, USB connection, power jack, and ICSP header
- Uses the ATmega16U2 as a USB-to-Serial converter, an upgrade from previous 8U2 chips
- Features the Rev3 1.0 pinout with added SDA, SCL, and IOREF pins for enhanced shield compatibility
- The SMD Arduino Uno version of the popular Arduino Uno board
Official Arduino Uno R3 SMD Microcontroller Board
The Arduino Uno Rev3 SMD is a versatile microcontroller board based on the ATmega328P, presented with its main chip in a surface-mount device (SMD) package.
This Arduino Uno Rev3 board is equipped with everything needed to support the microcontroller: 14 digital input/output pins (6 of which can be used for PWM), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection for programming and power, an external power jack, an ICSP header for advanced programming, and a convenient reset button.
It simplifies getting started; users can simply connect it to a computer via a USB cable or power it is using an AC-to-DC adapter or battery.
A key difference in the Uno series, including this Arduino Uno Rev3 SMD version, is its departure from the FTDI USB-to-serial driver chip, instead utilizing an ATmega16U2 for this function.
The Rev3 iteration introduces several enhancements such as a more robust RESET circuit and the standardized 1.0 pinout. This pinout adds dedicated SDA and SCL pins near AREF for TWI communication, and an IOREF pin near RESET, which allows shields to adapt to the board's operating voltage, ensuring broader compatibility with future shields designed for different voltages.
Features:
- Microcontroller: ATmega328P (SMD package) running at 16 MHz
- Digital I/O: 14 pins, 6 of which provide 8-bit PWM output
- Analog Inputs: 6 channels with 10-bit resolution
- USB Interface: ATmega16U2 programmed as a USB-to-Serial converter
- Operating Voltage: 5V, with recommended input voltage of 7-12V
- Memory: 32 KB Flash (0.5 KB for bootloader), 2 KB SRAM, 1 KB EEPROM
- Connectivity: USB-B port, DC power jack, ICSP header
- Pinout: Arduino 1.0 standard with SDA, SCL, and IOREF pins
- Built-in LED: Connected to digital pin 13 for easy visual feedback
- Reset: Onboard reset button and auto-reset capability via software
Arduino Uno R3 SMD Pinout Diagram:
Package Includes:
- 1 x Official Arduino Uno R3 SMD Microcontroller Board
Specifications:
| Specification | Details |
|---|---|
| Item Type | Development Board |
| Model Type | Uno |
| Model No. | A000073 |
| Microcontroller | Atmega |
| Microcontroller Chip | ATmega328P |
| Operating Voltage (VDC) | 5 |
| Input Voltage (V) | 6–20V |
| Analog I/O Pins | 6 |
| Digital I/O Pins | 14 (of which 6 provide PWM output) |
| PWM Digital I/O Pins | 6 |
| Clock Speed | 16 MHz |
| Flash Memory | 32 KB (ATmega32u4) of which 4 KB used by bootloader |
| SRAM | 2 KB (ATmega328P) |
| EEPROM | 1 KB (ATmega328P) |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
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