Sure, here's a refined and simplified title based on the original one: HiLetgo 3pcs Pro Mini Atmega328P 5V/16MHz Development Board for Arduino

Product Description:

This set includes 3 Pro Mini Atmega328 5V/16M development boards, each equipped with versatile features ideal for electronics projects.

Key Features:

• Digital I/O Ports: The boards offer 20 digital input/output ports, including TX, RX, D2 to D13, and A0 to A5.

• Analog Input Ports: They are equipped with 8 analog input ports (A0 to A7) for precise sensor interfacing.

• Serial Communication: Featuring 1 pair of TTL level serial transceiver ports for reliable RX/TX communication.

• PWM Ports: 6 PWM (Pulse Width Modulation) ports available at D3, D5, D6, D9, D10, and D11, enabling precise control over connected devices.

• Main Chip: Powered by the Atmel Atmega328P-AU microcontroller, renowned for its performance and versatility in Arduino projects.

• Serial Download Support: Facilitates easy program uploads and updates via serial communication.

• Power Options: Supports external power supply ranging from 3.8V to 12V DC, ensuring flexibility in power configurations.

• Battery Compatibility: Can be powered by a 12V battery or any source delivering less than 12V, offering portable operation capabilities.

• Clock Frequency: Operates at a stable 16MHz clock frequency, ensuring reliable performance across applications.

• Compact Size: Each board measures 33.8mm x 18mm, designed to fit compactly into various projects.

• Package Contents: Includes 3 Pro Mini Atmega328 5V/16M development boards and 3 sets of pin headers for easy assembly.

Additional Information:

• Compatibility: Fully compatible with Arduino boards, ensuring seamless integration with Arduino IDE and existing Arduino projects.

This Pro Mini Atmega328 5V/16M development board set is ideal for hobbyists, students, and professionals seeking a compact yet powerful platform for their electronics prototyping and projects.

This revision aims to maintain the original meaning and technical details while improving readability and organization of the information provided.

product information: