Nano ATmega328 Development Board with Mini USB Cable, Compact Design for Fast Prototyping

Compact ATmega328 development board for fast prototyping with a small footprint and breadboardfriendly pinout. The board centers on the ATmega328 8bit microcontroller running at 16 MHz and exposes a versatile set of interfaces for sensor, actuator, and embeddedcontrol projects. Key benefits Small, breadboardfriendly form factor that speeds prototype assembly and testing. Rich I/O set: 20 digital input/output pins and 8 analog inputs for flexible interfacing. Accurate analog readings: ADC Noise Reduction sleep mode and a dedicated 5V regulated external supply option to improve conversion stability. Lowpower design: multiple sleep modes let you minimize power draw for batterypowered projects. Ready for control tasks: six PWM channels and hardware serial and SPI interfaces simplify motor and communication control. Straightforward power options: miniB USB for development and two external power pins for regulated or unregulated supplies. Specifications and features Microcontroller: ATmega328, performance lowpower 8bit core, up to 16 MIPS at 16 MHz. Memory: 32 KB flash program memory with 2 KB used by the bootloader, 2 KB internal SRAM, 1 KB EEPROM. Registers and timers: 32 by 8 general purpose working registers and a real time counter with separate oscillator. I O: 20 digital pins, 8 analog inputs, six PWM outputs. Communication: Programmable serial USART and Master/Slave SPI serial interface. Sleep modes: Idle, ADC Noise Reduction, Powersave, Powerdown, Standby, Extended Standby. Power: miniB USB connection; unregulated external input 7 to 15 V via pin 30; regulated 5 V input via pin 27 to improve ADC conversion rates. Physical: compact layout optimized for breadboard and small enclosures. How this board solves common prototyping problems Reduces development time with a familiar microcontroller and a full set of I O pins ready for sensors and actuators. Conserves battery life with configurable sleep modes and a dedicated lowpower real time counter. Improves analog sensor accuracy with ADC Noise Reduction mode and a regulated 5 V input option for quieter ADC performance. Simplifies motor and servo control with six hardware PWM channels and hardware serial for motor driver communication. Practical use scenarios Environmental data logger: read multiple analog sensors, buffer data in SRAM or EEPROM, and enter lowpower modes between readings to extend battery life. Compact robotics controller: drive motors with PWM, read encoders or analog sensors, and use SPI or USART for communication with motor drivers or external modules. Prototype IoT node: collect sensor data, perform local processing, and communicate with radio modules using serial or SPI while managing power with sleep modes. Who this is for Hobbyists and students building compact breadboard projects. Engineers creating quick hardware prototypes that require a small footprint and reliable I O. Developers of batterypowered embedded systems who need lowpower options and accurate analog performance. Included details ATmega328 microcontroller at 16 MHz. 20 digital I O, 8 analog inputs, six PWM outputs. MiniB USB port and external power pins as specified. Sleep modes and peripheral interfaces as listed. This development board provides a compact, proven microcontroller platform with the I O, power flexibility, and lowpower features needed for efficient prototyping and small embedded projects.