Nano 100% Compatible: Identical form factor, pinout, and functionality to the official Arduino Nano Compact Design: Small size, ideal for space-constrained embedded projects USB Programming and Communication: Onboard Micro-USB interface for direct connection to a computer for programming and communication Rich I/O Interfaces: Provides 22 digital I/O (6 PWM channels) and 8 analog inputs Dual-row through-hole design: Can be directly inserted into a breadboard without the need for an additional adapter board. Main Control Chip: ATmega328P (16MHz) Flash/RAM/EEPROM: 32KB / 2KB / 1KB Operating Voltage: 5V Input Voltage: 7-12V (via VIN pin) or 5V (via USB) Digital I/O: 22 (6 of which support PWM output) Analog Inputs: 8 channels (10-bit ADC) USB to Serial Converter: FT232RL Communication Interfaces: UART, I2C, SPI Main Applications: Compact Embedded Systems: Drone flight controllers, small robots, wearable devices IoT End Nodes: Data acquisition, sensor hubs, small controllers Product Prototype Development: Smart hardware projects requiring small-sized prototypes Teaching and Experimentation: Replacing UNO on breadboards, saving space Communication interfaces: UART, I2C, SPI Color: Blue Material: PCB Package Contents: 1*Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.