The unassembled Arduino Nano V3 board with Atmega328 microcontroller is the perfect base for creating your own electronics projects. It features a USB (CH340) interface for easy connection to a computer and operates at a frequency of 16 MHz with 5V voltage. This board is ideal for developing prototypes, educational projects, and IoT devices. The unassembled design allows users to add their own components and customize the circuit according to their needs.

Key Features:

• Microcontroller: Atmega328
• Frequency: 16 MHz
• Voltage: 5V
• USB connection (CH340)
• Unassembled board, allowing for component addition
• Compatible with Arduino IDE

Applications:

1. Creating electronic device prototypes.
2. Educational and practical electronics projects.
3. Developing Internet of Things (IoT) devices.

Installation

Arduino IDE supports the board without additional requirements, it should be identified as below:

1. Tools -& gt ;Boards-& gt ;AVR Boards-& gt ; Arduino Nano
2. Tools -& gt ;Processor-& gt ; Atmega328P (Old Bootloader)

If ma no driver for CH340 installed in the system and Arduino IDE does not see the port, please use:

Technical parameters:

• Atmega328 Processor
• CH340G Converter
• Clocking 16Mhz
• Logic: 5V
• 32kB Flash memory
• EEPROM 1kB
• SRAM 2kB
• I/O ports; 14
• PWM pins: 6 (and up to 9 using D0/D1/D2 pins)
• Maximum current load of pins: 40mA temporarily or 20mA continuously
• Maximum total load on all pins: 200mA
• Connector USB mini-B do programming directly from your computer
• ISP6 connector do programming with programmer
• Dimensions: 43 x 18 mm
• Masa: 6 grams

Power supply options (do not use two at the same time):

• 5V via USB
• 5 - 5.5V via 5V pin, only from stabilized source
• 7-9V by VIN (theoretically do 12V, but we recommend less due to the possibility of overheating of the stabilizer - the same applies to the original Nano)

Attention! Do not use Nano as a power supply for external components or devices - this applies especially to servos, motors, relays. This may cause the voltage regulator and/or the microprocessor itself to burn out, and in the case of power supply from the USB computer/laptop it may cause damage to the USB controller on the board and the USB port on the computer/laptop board.

We advise you to power the components and devices connected do Nano from an external power source (with a common mass), and use the Nano pins only do provide the control signal. Directly from the Nano pins, you can possibly power a small LED diode through a protective resistor.

Scheme of pins:

How to (not) break Nano V3?

The small size and price of the tile make Nano a fairly simple device that does not have fancy security and requires attention when experimenting. Virtually a sure way to "fry" the tile is:

• Application to pin 5V voltage higher than 5V
• Pin feed 3.3V voltage higher than 3,3V
• Short-circuit VIN with GND
• Short circuit of any signal pin from GND or pins together
• Application to any signal pin voltage greater than 5.5V
• VIN/GND power polarity reversal

Nano should only be powered from USB (5V) or from a VIN pin. 3.3V and 5V pins are not used do powered by Nano, but only do power other elements, sensors, displays etc. while maintaining the maximum permissible amount of current consumed. However, from an external 5V voltage stabilizer it is most convenient to power Nano through a 5V pin, but in this case it is not allowed to power any elements / sensors / devices from the VIN pin.

Actions that can cause damage to the tile are:

• Powering any components/devices from the VIN while powering Nano from the 5V pin
• Power supply Nano with VIN voltage higher than 7-9V while powering via USB
• Powering any elements / devices from any Nano pin powered by 12V or similar voltage, given on the VIN (stabilizer at 12V loses approx. 0,25W in the form of heat supplying Nano itself; with an additional 30-40mA consumption it will turn off or burn)
• Attempt to draw current greater than 40mA (20mA continuously) from any digital or analog pin. In particular: servos and motors absolutely cannot be powered directly from Nano.
• Attempt to drive current greater than 200mA in total from any pins Nano

If it is not subjected to the above-mentioned activities, Nano V3 is a solid, proven and trouble-free microcontroller board for experimenters, inventors and constructors. At the same time, it is a board by definition intended do experiments and prototyping.