The Arduino Nano is a compact microcontroller board based on the ATmega328P, featuring 30 soldered male header pins for easy prototyping. This variant includes a CH340 USB-to-serial converter and a USB Type-C port, offering modern connectivity and reliable programming. ⚙️ Key Technical Details: • Microcontroller: ATmega328P, 8-bit AVR, 16 MHz clock speed • USB Interface: CH340G IC handles serial communication via USB Type-C • Power Supply: • VIN: 6–12V input • 5V & 3.3V: Regulated outputs for peripherals • USB VBUS: Supplies 5V when connected via Type-C • I/O Pins: • Digital: 14 (D0–D13), including PWM on D3, D5, D6, D9, D10, D11 • Analog: 8 (A0–A7), 10-bit ADC resolution • Serial: UART (TX: D1, RX: D0), SPI (D10–D13), I2C (A4: SDA, A5: SCL) • Flash Memory: 32 KB (2 KB used by bootloader) • SRAM: 2 KB • EEPROM: 1 KB �� Type-C Connector Notes: • Supports USB 2.0 data lines (D /D−) routed to CH340 • VBUS and GND provide power input • CC pins typically tied to ground via pull-down resistors for cable orientation This Nano variant is ideal for embedded systems, sensor networks, and compact automation projects—especially where modern USB compatibility and robust serial communication are essential.
