Product details
Arduino Uno R3 Compatible Board
The Arduino Uno R3 CH340G ATMEGA328P Development Board is more than just a microcontroller board; it's a gateway to endless possibilities in the world of electronics and programming. For hobbyists, students, and makers, it stands out as the best Arduino Uno compatible board for beginners and projects, thanks to its simplicity and versatility.
Beyond being a microcontroller board, we consider the Arduino UNO R3 development board the reference one. As a microcontroller, this device is finely cut and masterly designed to withstand a variety of circumstances. It typifies new age electronics no matter what you are, say, robotics, IoT, home automation, or creative automation projects; it can gravitate towards the functions that you need.
The plug-and-play design, along with a user-friendly interface, makes it easy to use, even for those new to Arduino. Under the hood, it boasts an ATmega328P microcontroller with a CH340G USB-to-serial converter chip, ensuring seamless data transfers and efficient performance. You will even be surprised that this Arduino UNO development board literally speeds up your Arduino projects.
Buy the Arduino Uno R3 Original with a warranty – No Clones!
check out: Arduino Uno R3 compatible Board ( Pack of 25)
Comparison of Arduino Uno Boards:
Specification
UNO Wifi
UNO SMD
UNO R3
Microcontroller
ATmega4809
ATmega328P (SMD)
ATmega328P (Through hole)
USB connector
Micro-USB
USB-B
USB-B
Digital I/O Pins
14
14
14
Analog input pins
6
6
6
PWM pins
5
6
6
UART
Yes
Yes
Yes
I2C
Yes
Yes
Yes
SPI
Yes
Yes
Yes
I/O Voltage
5V
5V
5V
Input voltage (nominal)
7-12V
7-12V
7-12V
DC Current per I/O Pin
20mA
20 mA
20 mA
Power Supply Connector
Barrel Plug
Barrel Plug
Barrel Plug
clock speed
16 MHz
16 MHz
16 MHz
USB-Serial chip
ATmega16U2
CH340
ATmega16U2
SRAM
6.144KB
2KB
2KB
Flash Memory
48KB
32KB
32KB
EEPROM
256 Bytes
1KB
1KB
Dimensions
68.6 mm x 53.4 mm
68.6 mm x 53.4 mm
68.6 mm x 53.4 mm
RADIO MODULE
u-blox NINA-W102
-
-
Inertial Measurement Unit
LSM6DS3TR (3D accelerometer)
-
-
LED_BUILTIN
25
13
13
Wi-Fi Microprocessor
Yes
-
-
Read our blog smart dustbin project using Arduino detailing Arduino code for making a smart dustbin.
Arduino Uno R3 (Original) vs Uno R3 Compatible Board
Feature
Arduino Uno R3 (Original)
Uno R3 Compatible Board
Microcontroller
ATmega328P
ATmega328
Operating Voltage
5V
5V
Input Voltage (Recommended)
7–12V
7–12V
Digital I/O Pins
14 (6 provide PWM output)
14
Analog Input Pins
6
6
Flash Memory
32KB (0.5KB used by bootloader)
32KB
Clock Speed
16MHz
16MHz
USB to Serial Converter
ATmega16U2
CH340G (may vary by manufacturer)
Compatibility
Fully compatible with Arduino IDE and official shields
Compatible with Arduino IDE and most Uno R3 shields
Build Quality
Premium PCB and components from Arduino
Good quality, more affordable alternative
Projects You Can Build with Arduino Uno R3 Compatible Board
• Smart Home Automation System
• Line Following Robot
• Obstacle Avoidance Robot
• Temperature and Humidity Monitor
• Bluetooth Controlled Car
• Motion-Activated Security Alarm
• Automatic Street Light System
• Soil Moisture-Based Irrigation System
• Ultrasonic Distance Measurement Device
• RFID-Based Door Lock System
• Digital Thermometer with LCD Display
• IoT Weather Station
• Smart Dustbin with Ultrasonic Sensor
• Home Energy Monitoring System
• Voice-Controlled Light using Bluetooth
UNO R3 Development Board Features:
• Tmega328P microcontroller for reliable performance
• Compatible with Arduino IDE for easy programming
• 14 digital I/O pins (6 PWM outputs)
• 6 analog input pins for sensor interfacing
• USB interface for programming and power supply
• Operates at 5V with stable voltage regulation
• Supports plug-and-play functionality for beginners
• Compatible with a wide range of shields and modules
• Onboard LED indicator for quick testing
• Reset button for easy program restart
Applications:
• Arduino Music Instrument
• Robot Car
• Fingerprint door lock
• Home Automation
• Security systems
The Arduino Uno R3 CH340G ATMEGA328P Development Board is more than just a microcontroller board; it's a gateway to endless possibilities in the world of electronics and programming. For hobbyists, students, and makers, it stands out as the best Arduino Uno compatible board for beginners and projects, thanks to its simplicity and versatility.
Beyond being a microcontroller board, we consider the Arduino UNO R3 development board the reference one. As a microcontroller, this device is finely cut and masterly designed to withstand a variety of circumstances. It typifies new age electronics no matter what you are, say, robotics, IoT, home automation, or creative automation projects; it can gravitate towards the functions that you need.
The plug-and-play design, along with a user-friendly interface, makes it easy to use, even for those new to Arduino. Under the hood, it boasts an ATmega328P microcontroller with a CH340G USB-to-serial converter chip, ensuring seamless data transfers and efficient performance. You will even be surprised that this Arduino UNO development board literally speeds up your Arduino projects.
Buy the Arduino Uno R3 Original with a warranty – No Clones!
check out: Arduino Uno R3 compatible Board ( Pack of 25)
Comparison of Arduino Uno Boards:
Specification
UNO Wifi
UNO SMD
UNO R3
Microcontroller
ATmega4809
ATmega328P (SMD)
ATmega328P (Through hole)
USB connector
Micro-USB
USB-B
USB-B
Digital I/O Pins
14
14
14
Analog input pins
6
6
6
PWM pins
5
6
6
UART
Yes
Yes
Yes
I2C
Yes
Yes
Yes
SPI
Yes
Yes
Yes
I/O Voltage
5V
5V
5V
Input voltage (nominal)
7-12V
7-12V
7-12V
DC Current per I/O Pin
20mA
20 mA
20 mA
Power Supply Connector
Barrel Plug
Barrel Plug
Barrel Plug
clock speed
16 MHz
16 MHz
16 MHz
USB-Serial chip
ATmega16U2
CH340
ATmega16U2
SRAM
6.144KB
2KB
2KB
Flash Memory
48KB
32KB
32KB
EEPROM
256 Bytes
1KB
1KB
Dimensions
68.6 mm x 53.4 mm
68.6 mm x 53.4 mm
68.6 mm x 53.4 mm
RADIO MODULE
u-blox NINA-W102
-
-
Inertial Measurement Unit
LSM6DS3TR (3D accelerometer)
-
-
LED_BUILTIN
25
13
13
Wi-Fi Microprocessor
Yes
-
-
Read our blog smart dustbin project using Arduino detailing Arduino code for making a smart dustbin.
Arduino Uno R3 (Original) vs Uno R3 Compatible Board
Feature
Arduino Uno R3 (Original)
Uno R3 Compatible Board
Microcontroller
ATmega328P
ATmega328
Operating Voltage
5V
5V
Input Voltage (Recommended)
7–12V
7–12V
Digital I/O Pins
14 (6 provide PWM output)
14
Analog Input Pins
6
6
Flash Memory
32KB (0.5KB used by bootloader)
32KB
Clock Speed
16MHz
16MHz
USB to Serial Converter
ATmega16U2
CH340G (may vary by manufacturer)
Compatibility
Fully compatible with Arduino IDE and official shields
Compatible with Arduino IDE and most Uno R3 shields
Build Quality
Premium PCB and components from Arduino
Good quality, more affordable alternative
Projects You Can Build with Arduino Uno R3 Compatible Board
• Smart Home Automation System
• Line Following Robot
• Obstacle Avoidance Robot
• Temperature and Humidity Monitor
• Bluetooth Controlled Car
• Motion-Activated Security Alarm
• Automatic Street Light System
• Soil Moisture-Based Irrigation System
• Ultrasonic Distance Measurement Device
• RFID-Based Door Lock System
• Digital Thermometer with LCD Display
• IoT Weather Station
• Smart Dustbin with Ultrasonic Sensor
• Home Energy Monitoring System
• Voice-Controlled Light using Bluetooth
UNO R3 Development Board Features:
• Tmega328P microcontroller for reliable performance
• Compatible with Arduino IDE for easy programming
• 14 digital I/O pins (6 PWM outputs)
• 6 analog input pins for sensor interfacing
• USB interface for programming and power supply
• Operates at 5V with stable voltage regulation
• Supports plug-and-play functionality for beginners
• Compatible with a wide range of shields and modules
• Onboard LED indicator for quick testing
• Reset button for easy program restart
Applications:
• Arduino Music Instrument
• Robot Car
• Fingerprint door lock
• Home Automation
• Security systems
