Arduino Uno R3 Board compatible

ArduinoUno 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)	712V	712V
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