SKU: SBCD-0327
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UNO R3 CH340G ATmega328P Development Board + Cable

₹262.35 (Inclusive of all taxes)
Out of Stock

This UNO R3 development board features the ATmega328P microcontroller and a CH340G USB-to-serial converter, offering full compatibility with the Arduino IDE. It provides essential I/O for prototyping and comes bundled with a USB cable for immediate use.

Features

  • Arduino UNO R3 compatible development board.
  • Features ATmega328P (SMD) microcontroller and CH340G USB chip.
  • Standard 5V operating voltage with 7-12V recommended input.
  • Equipped with 14 digital I/O pins (6 PWM) and 6 analog inputs.
  • Includes a USB cable for convenient connectivity and programming.

Out of stock

Description

The UNO R3 CH340G ATmega328P is a robust, Arduino-compatible development board designed for rapid prototyping and embedded systems learning. This board integrates the popular ATmega328P microcontroller in an SMD package, providing ample processing power and memory for a wide range of projects. It serves as an excellent foundation for electronics enthusiasts, students, and professionals to build interactive devices, automation systems, and IoT applications.

A key feature of this version is the inclusion of the CH340G USB-to-serial converter chip, which reliably handles communication between the board and a host computer, replacing the ATmega16U2 found on some official boards. This design choice maintains full compatibility with the Arduino IDE and its vast ecosystem of libraries and tools, while offering a cost-effective solution. The board also features enhanced pin header configurations with additional rows for easier connections and an expanded prototyping area, improving versatility for complex circuit designs.

Key Features

  • Microcontroller: ATmega328P (SMD) for robust performance.
  • USB Interface: CH340G chip for reliable serial communication.
  • Extensive I/O: 14 Digital I/O pins (6 PWM) and 6 Analog Input pins.
  • Flexible Power: Operates at 5V; accepts 7-12V input via DC jack.
  • Expanded Pin Headers: Dual-row pin headers for versatile connectivity.
  • Additional Wiring Holes: Three extra rows for enhanced prototyping.
  • IDE Compatibility: Fully compatible with the Arduino IDE ecosystem.
  • Included USB Cable: Comes with a 1-foot USB cable for immediate setup.

Technical Specifications

MicrocontrollerATmega328P (SMD)
USB Converter ChipCH340G
Operating Voltage5V
Input Voltage (Recommended)7-12V
Input Voltage (Limits)5-20V
Digital I/O Pins14 (6 provide PWM output)
Analog Input Pins6
DC Current per I/O Pin40 mA
DC Current for 3.3V Pin50 mA
Flash Memory32 KB (ATmega328), 0.5 KB used by bootloader
SRAM2 KB (ATmega328)
EEPROM1 KB (ATmega328)
Clock Speed16 MHz
Power Supply OptionDC Jack or USB
On-Board LEDsOn/Off, L (PIN 13), TX, RX
Operating Temperature-40 to +90 °C
Dimensions (L x W x H)75 x 54 x 12 mm
Weight26 g

Frequently Asked Questions

What is the main difference between this UNO R3 and official versions?

This UNO R3 utilizes a CH340G chip for USB-to-serial communication instead of the ATmega16U2. Functionally, it offers the same ATmega328P microcontroller core, providing identical performance for sketches and I/O. The CH340G driver is required for programming.

What development environment is compatible with this UNO R3 board?

This board is fully compatible with the Arduino IDE. Users can leverage the extensive Arduino libraries and examples. You'll need to install the CH340G driver for your operating system to enable serial communication and programming via the USB port.

What are the power supply options for this UNO R3 board?

The UNO R3 can be powered via its USB port, drawing 5V, or through the DC power jack with a recommended input voltage of 7-12V. This flexibility allows for both USB-powered projects and standalone applications with external power sources.

Can I use existing Arduino shields with this UNO R3 CH340G board?

Yes, this UNO R3 CH340G board maintains the standard Arduino UNO pin layout. Most Arduino shields designed for the UNO R3 form factor will physically and electrically interface correctly. Ensure any shield-specific library dependencies are met in your code.

Package Includes

  • 1 x UNO R3 Arduino Development Board
  • 1 x USB Cable for UNO

Additional Information

Weight 0.026 kg
Dimensions 7.5 × 5.4 × 1.2 cm