Arduino Nano V3.0 ATmega328P CH340 – Type-C

Arduino Nano V3.0 ATmega328P CH340 – Type-C is the compact, breadboard-friendly version of the classic Arduino platform, designed specifically for space-constrained projects. This powerful board runs the reliable ATmega328P microcontroller, which handles complex tasks with ease. Furthermore, its incredibly small footprint allows developers to embed the full power of Arduino into prototypes and permanent installations seamlessly. Consequently, this model integrates the modern USB Type-C connector, ensuring fast, reversible, and robust programming connectivity that simplifies setup significantly compared to older Mini-B versions. Designers frequently choose the Nano for projects demanding reliability, speed, and minimal size; therefore, it remains a favorite for DIY enthusiasts and professional engineers alike.

Key Features:

• Compact Form Factor: Its miniature size and dual-row pin configuration make it perfectly compatible with standard solderless breadboards, maximizing prototyping efficiency.
• Modern USB Connectivity: The Type-C port offers a robust, reversible connection, greatly enhancing user convenience during programming and power delivery.
• ATmega328P Microcontroller: This powerful 8-bit chip provides 32 KB of Flash memory and a 16 MHz clock speed, supporting the vast Arduino code library.
• CH340 USB-to-Serial Chip: This integrated chip efficiently manages reliable communication between the board and your host computer for sketch uploading.
• Rich I/O Availability: The board delivers 14 Digital I/O pins (with 6 PWM outputs) and 8 high-resolution Analog Input pins (A0-A7).
• External Power Option: You can supply power directly through the VIN pin, supporting a wide input voltage range from 7V to 12V.

Technical Specifications:

• Microcontroller: ATmega328P
• Clock Speed: 16 MHz
• Flash Memory: 32 KB (2 KB utilized by the bootloader)
• SRAM: 2 KB
• EEPROM: 1 KB
• Digital I/O Pins: 14 (of which 6 provide PWM output)
• Analog Input Pins: 8
• DC Current per I/O Pin: 40 mA
• Operating Voltage: 5 V
• Input Voltage (Recommended): 7 V to 12 V
• USB Interface Chip: CH340

Mechanical Specifications:

• Board Material: High-quality FR4 PCB
• Programming Port: USB Type-C
• Pin Header Type: 2.54 mm (0.1 inch) pitch headers (often supplied unsoldered)
• Indicator LEDs: On-board LEDs show Power, RX, TX, and a user-controllable ‘L’ LED (connected to D13).
• Reset Method: Automatic software reset or manual push button.

Dimensions:

• Length: 45 mm (≈ 1.77 in)
• Width: 18 mm (≈ 0.71 in)
• Pin Pitch: 2.54 mm (Standard breadboard compatibility)
• Weight: ≈ 7 g (Extremely lightweight for portable and wearable devices)

Pinout and Wiring:

• D0 (RX) and D1 (TX): These pins handle serial data transfer; however, avoid using them for other purposes when utilizing the USB serial monitor.
• A0 – A7: You connect analog sensors to these inputs; use them for precise voltage measurement.
• D10, D11, D12, D13: These pins manage SPI communication, critical for interfacing with memory cards and specialized sensors.
• VIN: Power the board using an external source (7V-12V) through this pin.
• 5V / 3.3V: Use these regulated pins to supply power to connected peripheral components.
• GND: This pin provides the common electrical ground for all connections.

Datasheet Reference:

• Download ATmega328P Datasheet (Core Microcontroller)

Commonly Used in:

• Breadboard Prototyping: The Nano’s compact form factor fits perfectly onto a breadboard, facilitating rapid design and testing.
• Wearable Electronics: Designers appreciate its small size when integrating it into clothing and portable projects.
• IoT Endpoints: This board provides robust control for remote sensing nodes and network-connected devices.
• Educational Kits: Students commonly use the Nano for learning embedded programming due to its simplicity and cost-effectiveness.

Applications:

• Data Logging Systems: Connect the Nano to a real-time clock (RTC) and an SD card module to create efficient environmental recorders.
• Miniature Robotics: It drives small motors and processes sensor data for compact robotic platforms.
• PID Control Systems: Implement the Nano to manage temperature, speed, or position in closed-loop control applications.
• Simple Automation: Use the board to automate tasks like timed lighting, watering systems, or pet feeders.

Equivalent Models:

• Original Arduino Nano: Functionally identical but utilizes the older, bulkier Mini-B USB connector.
• Arduino Nano Every: However, this newer board uses the ATmega4809 chip, offering slightly more memory and faster processing power.
• Arduino Pro Mini: Offers a smaller form factor than the Nano but requires an external FTDI (USB-to-Serial) adapter for programming.

Package Includes:

• 1 x Arduino Nano V3.0 ATmega328P CH340 – Type-C