Specifications:

- Communication IC: MAX232

- USB to Serial Port for downloading and communication

- DC Port: 5.5*2.1mm, connects to a 5V power adapter

- Self-reset protection: for short circuit or microcontroller malfunction

- Components: LED flow lights, 4-digit common anode display, buzzer, stepper motor driver chip - ULN2003, memory chip - 24C02

- Sensors: 18B20 temperature sensor, infrared receiver interface

- Connectors: PO pull-down resistor, single-chip IO output pin, 5V/GND output pin, LCD1602 interface, LCD12864 interface, ISP download interface

- Three removable IC seats for easy replacement

Features:

1. Versatile Connectivity

   Equipped with USB and DC power ports, the board offers flexible power and communication options, making it adaptable to various development environments and scenarios.

2. Enhanced Protection

   The integrated self-reset protection ensures the board automatically shuts down in case of a short circuit or microcontroller malfunction, safeguarding your system's integrity and components.

3. Multi-functional Interface

   This development board supports multiple interfaces including LCD1602 and LCD12864, offering a wide range of display capabilities and allowing extensive testing and prototyping possibilities.

4. Comprehensive Component Suite

   Featuring elements like LED flow lights, buzzer, stepper motor driver chi