Compact, low-power microcontroller board based on the upgraded ATmega328P (5V / 16MHz), designed for breadboard prototyping and battery-powered embedded projects. Key benefits Small, breadboard-friendly form factor that fits space-constrained prototypes and embedded builds. Low-power operation optimized for extended battery life in remote or mobile applications. Straightforward sensor and actuator integration with 14 digital GPIO pins plus I2C and UART interfaces. Reliable 5V / 16MHz ATmega328P performance for common embedded development tasks while keeping size and power use minimal. Ideal for makers, educators, and developers who need a compact, practical platform for battery-operated prototypes. How it solves common problems Saves space: miniature design allows electronics to be embedded into compact enclosures or wearable form factors. Extends runtime: low-power behavior reduces battery changes and maintenance for remote or mobile units. Simplifies wiring: breadboard compatibility and standard I2C/UART ports make it easy to connect sensors, displays, and serial devices. Speeds development: familiar ATmega328P functionality supports rapid prototyping without sacrificing performance. Important attributes Microcontroller: upgraded ATmega328P, 5V / 16MHz GPIO: 14 digital input/output pins for sensors and actuators Interfaces: I2C and UART for serial sensors, modules, and communication Form factor: miniature, breadboard-optimized layout for embedded and wearable use Target use: low-power, battery-operated prototypes and remote systems Practical applications Wearable environmental monitor: power a small array of air, temperature, or motion sensors on a compact, battery-powered board that fits within clothing or a wrist strap. Mobile robotics controller: run motor controllers, obstacle sensors, and communication modules in a space-limited robot chassis while conserving battery life. Remote data logger: collect sensor readings via I2C, store or forward data over UART-connected radios, and operate for extended periods on battery power. Who this is for Makers and hobbyists building compact, battery-powered prototypes. Educators teaching embedded systems and low-power design. Developers creating small embedded or remote sensing units where size and battery life matter. What you get A compact development board centered on the ATmega328P (5V / 16MHz) with 14 digital GPIO and I2C/UART interfaces, optimized for breadboard prototyping and battery-powered embedded applications such as sensory systems, robotics controllers, and remote data logging units.