SKU: SBCD-0343
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Nano R3 CH340 Board with USB Cable (Soldered)

₹200.97 (Inclusive of all taxes)
Out of Stock

The Nano Board R3, featuring the CH340 USB-serial chip and ATmega328P-AU MCU, offers full Arduino Uno functionality in a compact, breadboard-friendly form factor. This pre-soldered board includes a Mini-B USB cable for convenient power and programming, making it an ideal choice for embedded development.

Features

  • Compact Arduino Nano R3 with ATmega328P-AU microcontroller.
  • Integrated CH340 USB-serial chip for cost-effective connectivity.
  • Pre-soldered headers and included Mini-B USB cable for immediate use.
  • Features 14 digital I/O pins, 8 analog inputs, and a 16MHz clock speed.
  • Breadboard-friendly design with standard 0.1” (2.54mm) pin spacing.

Out of stock

Description

The Nano Board R3, powered by the Atmel ATmega328P-AU microcontroller, provides the core capabilities of the Arduino Uno platform within a significantly smaller footprint. Designed for embedded applications where space is at a premium, this board integrates a CH340 USB-to-serial converter, offering a cost-effective solution for USB communication and programming compared to older FTDI-based versions.

This development board simplifies prototyping with its pre-soldered headers and included Mini-B USB cable, ensuring ease of setup for a wide range of projects. It supports multiple power options, including the Mini-B USB connection, an unregulated external supply (6-20V), or a regulated 5V external supply, with automatic selection of the highest voltage source. A pre-installed bootloader facilitates easy program uploads via the Arduino IDE, complemented by a manual reset switch and on-board LEDs for power and serial communication status.

Key Features

  • Integrates Atmel ATmega328P-AU microcontroller for robust performance.
  • Utilizes the CH340G USB-serial chip for reliable and affordable connectivity.
  • Pre-installed bootloader supports direct program upload via USB.
  • Offers flexible power input via Mini-B USB, external 5V-12V DC, or 9V battery.
  • Features 14 Digital I/O pins (6 with PWM support) and 8 Analog Input pins.
  • Equipped with a pair of TTL level serial transceiver ports (RX/TX).
  • Standard 0.1” (2.54mm) DIP spacing for seamless breadboard integration.
  • Includes manual reset switch and on-board power and communication indicator LEDs.

Applications

  • General-purpose embedded system prototyping and development.
  • Compact IoT devices and sensor nodes.
  • Robotics control and automation projects.
  • Wearable electronics and small form-factor projects.
  • Educational platforms for learning microcontroller programming.

Technical Specifications

MicrocontrollerATmega328P-AU
USB-Serial ChipCH340
Operating Voltage (Logic Level)5V
Input Voltage (Recommended)7V to 12V DC
Digital I/O Pins14 (6 provide PWM output)
Analog Input Pins8 (A0-A7)
DC Current per I/O Pin40 mA
Flash Memory32 KB (ATmega328) (0.5 KB used by bootloader)
SRAM2 KB (ATmega328)
EEPROM1 KB (ATmega328)
Clock Speed16 MHz
Dimensions (L x W x H)45 x 18 x 5 mm
Weight8 g

Frequently Asked Questions

What drivers are required for the CH340 USB-serial chip?

The CH340 USB-serial chip on the Nano R3 typically requires specific drivers to be installed on your computer. These drivers enable your operating system to recognize the board and facilitate communication for programming via the Mini-B USB cable. Downloads are usually available from the chip manufacturer or compatible board vendors.

What are the power supply options for the Nano R3?

The Nano R3 offers flexible power options. It can be powered via the Mini-B USB connection, an unregulated external DC supply between 6-20V connected to the Vin pin, or a regulated 5V external supply connected to the 5V pin. The board automatically selects the highest available voltage source.

Which development environment is compatible with this Nano R3 board?

This Nano R3 board is fully compatible with the Arduino IDE. Thanks to its pre-installed bootloader, users can easily upload sketches directly using the Mini-B USB cable. Ensure the correct board (Arduino Nano) and processor (ATmega328P) are selected in the IDE settings for successful programming.

What are the memory specifications of the ATmega328P-AU microcontroller?

The ATmega328P-AU microcontroller on this board features 32 KB of Flash Memory for program storage, with 0.5 KB reserved for the bootloader. It also includes 2 KB of SRAM for dynamic data and 1 KB of EEPROM for persistent storage of configuration parameters or calibration data.

Package Includes

  • 1 x Nano Board R3 CH340 chip (Soldered)
  • 1 x USB Mini Cable

Additional Information

Weight 0.008 kg
Dimensions 4.5 × 1.8 × 0.5 cm