Arduino Nano V3 Arduino Nano ATmega328P Programming Development Board
Arduino Nano V3 overview
Arduino Nano V3 is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3. x). Arduino Nano board has more or less the same functionality as the Arduino UNO but in a different package. The Arduino Nano programming module lacks only a DC power jack and works with a Mini-B USB cable instead of a standard one.
Key specifications
Microcontroller
ATmega328P (Arduino nano)
Operating Voltage
15V
Recommended Input Voltage for Vin pin
7-12V
Input Voltage (limits)
6-20 V
Analog Input Pins
8
Digital I/O Pins
14 (of which 6 provide PWM output)
DC Current on I/O Pins
40 mA
Flash Memory
16 KB (ATmega168) or 32 KB (ATmega328)
Datasheet
arduino-nano-datasheet.pdf
Format PDFSize 854 KBLanguage ENRevision Rev. 2.3
Third-party / unverified source
Arduino Nano V3 features
- Automatic reset during program download
- Power OK blue LED
- Green (TX), red (RX), and orange (L) LED
- Auto-Sensing/Switching Power Input
- Small mini-B USB for programming and serial monitor
- ICSP header for direct program download
- Standard 0.1” spacing DIP (breadboard friendly)
- Manual Reset Switch
Arduino Nano V3 pinout
| Name | Description |
|---|---|
| Power | Vin: Input voltage to Arduino when using an external power source (6-12V).5V: Regulated power supply used to power microcontroller and other components on the board.3.3V: 3.3V supply generated by the onboard voltage regulator. The maximum current draw is 50mA.GND: Ground pins. |
| Reset | Resets the microcontroller. |
| Analog Pins | Used to measure analog voltage in the range of 0-5V |
| Input/Output Pins | Can be used as input or output pins. 0V (low) and 5V (high) |
| Serial | Used to receive and transmit TTL serial data. |
| External Interrupts | To trigger an interrupt. |
| PWM | Provides 8-bit PWM output. |
| SPI | Used for SPI communication. |
| Inbuilt LED | To turn on the inbuilt LED. |
| I2C | Used for TWI communication. |
| AREF | To provide a reference voltage for input voltage. |
Arduino Nano V3 specifications
| Microcontroller | ATmega328P (Arduino nano) |
|---|---|
| Operating Voltage | 15V |
| Recommended Input Voltage for Vin pin | 7-12V |
| Input Voltage (limits) | 6-20 V |
| Analog Input Pins | 8 |
| Digital I/O Pins | 14 (of which 6 provide PWM output) |
| DC Current on I/O Pins | 40 mA |
| Flash Memory | 16 KB (ATmega168) or 32 KB (ATmega328) |
| SRAM | 1 KB (ATmega168) or 2 KB (ATmega328) |
| EEPROM | 512 bytes (ATmega168) or 1 KB (ATmega328) |
| Frequency (Clock Speed) | 16 MHz |
More about Arduino Nano V3
Pinout of Arduino Nano V3
| Pin Category | Pin Name | Pin Description |
|---|---|---|
| Power | Vin, 3.3V, 5V, GND | Vin: Input voltage to Arduino when using an external power source (6-12V).5V: Regulated power supply used to power microcontroller and other components on the board.3.3V: 3.3V supply generated by the onboard voltage regulator. The maximum current draw is 50mA.GND: Ground pins. |
| Analog Pins | A0 – A7 | Used to measure analog voltage in the range of 0-5V |
| Input/Output Pins | Digital Pins D0 - D13 | Can be used as input or output pins. 0V (low) and 5V (high) |
| Serial | Rx, Tx | Used to receive and transmit TTL serial data. |
| External Interrupts | 2, 3 | To trigger an interrupt. |
| PWM | 3, 5, 6, 9, 11 | Provides 8-bit PWM output. |
| SPI | 10 (SS), 11 (MOSI), 12 (MISO) and 13 (SCK) | Used for SPI communication. |
| I2C | A4 (SDA), A5 (SCA) | Used for TWI communication. |
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