Description:
When your project needs the functionality of an Arduino board but space is limited, the Nano Board R3 with CH340 Chip offers a compact and practical solution. Its small form factor makes it easy to integrate into DIY electronics, robotics, IoT, automation, and embedded projects where a full-size development board may not be convenient.
The board is designed around the ATmega328P microcontroller and includes a Mini USB port for programming and communication with a computer. The CH340 USB-to-serial chip provides a convenient interface for uploading code and working with Arduino-compatible development environments.
Its compact design makes the Nano R3 development board suitable for projects where size, flexibility, and easy programming are important. It can be used with sensors, LEDs, displays, motors, relay modules, and other compatible electronic components to create prototypes and functional circuits.
Whether you are learning Arduino programming, developing a robotics prototype, experimenting with sensors, or building a compact IoT device, the Nano R3 provides a convenient platform for project development. Its small size and versatile design make it suitable for students, makers, hobbyists, and electronics enthusiasts working on a wide range of microcontroller-based applications.
Specifications:
| Specification | Details |
|---|---|
| Item Type | Unsoldered Development Board |
| Board Type | Nano R3 |
| Microcontroller / Chip | ATmega328P |
| USB Interface Chip | CH340 |
| Input Voltage | 7–12V |
| Operating Voltage | 5V |
| Digital I/O Pins | 14 |
| Analog Input Pins | 8 |
| PWM Output Pins | 6 |
| DC Current per I/O Pin | 40mA |
| Input Port | Mini USB |
| Flash Memory | 32KB |
| SRAM | 2KB |
| EEPROM | 1KB |
| Clock Frequency | 16MHz |
| Architecture | AVR |
| Power Consumption | 1W |
| PCB Size (L × W) | 43 × 18mm |
| Dimensions | 45 × 18 × 5mm |
| Weight | 6g |
| Shipping Weight | 0.01kg |
| Shipping Dimensions | 6 × 5 × 3cm |
| Color | Blue |
| Model No. / Name | Nano |
| Item Status | Unsoldered |
Features:
| Feature | Description |
|---|---|
| TTL Serial Communication | Includes 1 pair of TTL-level RX/TX serial transceiver ports |
| Microcontroller | Uses the ATmega328P-AU MCU for reliable microcontroller-based applications |
| Bootloader | Pre-installed bootloader for convenient programming |
| USB Programming | Supports USB-based code downloading and power supply |
| External Power Input | Supports an external 5V–12V DC power supply |
| 9V Battery Support | Can be powered using a compatible 9V battery |
| ISP Programming | Supports ISP programming for direct microcontroller programming |
| Auto Reset | Automatically resets during program downloading |
| Power LED | Blue LED indicates power status |
| TX/RX/L LEDs | Green TX, red RX, and orange L LEDs provide useful status indications |
| +5V to AREF Jumper | Includes a jumper for connecting +5V to the AREF pin |
| Auto Power Switching | Automatically senses and switches between available power inputs |
| Mini-B USB Port | Compact Mini-B USB connector for programming and serial monitoring |
| ICSP Header | Provides direct access for ICSP programming |
| Breadboard Friendly | Standard 0.1-inch pin spacing for convenient breadboard prototyping |
| Manual Reset Switch | Dedicated reset button for quick manual resetting of the board |
Applications:
- Robotics Projects Suitable for controlling motors, sensors, servos, LEDs, and other robotic components.
- IoT Prototyping Useful for developing compact IoT devices and connecting sensors with communication modules.
- Home Automation Can be used for smart lighting, appliance control, security systems, and sensor-based automation.
- Embedded Systems Ideal for learning and developing ATmega328P-based embedded applications.
- Sensor Interfacing Supports projects involving temperature, light, motion, distance, and other compatible sensors.
- Serial Communication Projects Useful for applications requiring TTL RX/TX communication with external modules and devices.
- Educational Projects Suitable for students learning Arduino programming, microcontrollers, electronics, and embedded systems.
- DIY Electronics Great for hobbyists and makers developing custom electronic circuits and experimental projects.
- Rapid Prototyping Compact design makes it convenient for testing circuits and developing working prototypes.
- Breadboard Projects The standard pin spacing makes it suitable for breadboard-based development and circuit experimentation.
Safety Precautions:
- Use the Correct Power Supply Operate the board within the recommended 5V–12V input range and avoid applying excessive voltage.
- Check Connections Before Powering Verify USB, power, RX/TX, and other wiring carefully to prevent short circuits or incorrect connections.
- Avoid Short Circuits Do not connect power and ground directly, as excessive current can damage the board or ATmega328P microcontroller.
- Handle the USB Port Carefully Use a compatible Mini-B USB cable and avoid excessive force when connecting or disconnecting it.
- Power Off Before Modifications Disconnect the USB or external power supply before changing wiring, installing components, or making circuit modifications.
Frequently Asked Questions ( FAQs )
1. What is the Nano R3 Board with CH340 Chip?
The Nano R3 Board with CH340 Chip is a compact Arduino-compatible development board based on the ATmega328P microcontroller. Its small size makes it suitable for robotics, IoT, automation, embedded systems, and DIY electronics projects.
2. What is the CH340 chip used for on this Nano board?
The CH340 chip works as a USB-to-serial interface, allowing the board to communicate with a computer through the Mini USB port. It helps with programming, uploading code, and serial monitoring.
3. What type of USB port does the Nano R3 use?
This board features a Mini-B USB port, which can be used for programming, serial communication, and powering the development board when connected to a suitable USB power source.
4. Can this Nano R3 board be used for robotics and IoT projects?
Yes. Its compact design and ATmega328P microcontroller make it suitable for robotics, sensor interfacing, automation, IoT prototypes, smart home projects, and other embedded applications.
5. Is the Nano R3 board suitable for beginners?
Yes. The board is suitable for students, beginners, hobbyists, makers, and electronics enthusiasts who want to learn Arduino programming, experiment with sensors, build circuits, and develop microcontroller-based projects.
Package Included:
1 x Nano Board R3 With CH340 Chip Mini USB Port Compatible With Arduino (Unsoldered)
