Arduino Uno R3 Board compatible
40 in stock
- This is UNO+WiFi R3 ATmega328P+Node MCU ESP8266 CH340G Board Compatible with Arduino
- This board has USB-TTL converter.
- This board has ATmega328P microcontroller
- Operating Supply Voltage: of this board is 5V.
- Digital I/O Pins of this board are 14.
- Analog I/O Pins of this board are 6.
₹550.00 ₹780.00
40 in stock
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.
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.
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 |
– |
– |
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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
Applications:
- Arduino Music Instrument
- Robot Car
- Fingerprint door lock
- Home Automation
- Security systems
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- Analog I/O Pins of this board are 6.
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Microcontroller: ATmega328P
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Operating Voltage: 5V
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Input Voltage (Recommended): 7V – 12V
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Digital I/O Pins: 14 (6 PWM Pins)
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Analog Input Pins: 8
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Clock Speed: 16 MHz
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Flash Memory: 32 KB
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SRAM: 2 KB
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EEPROM: 1 KB
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Size: Small & Compact (Breadboard Friendly)
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Best For: Robotics, IoT Projects, Automation Systems, School & STEAM Lab Projects
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