Description

The AT89S52 Assembled PCB is a ready-to-use development board designed for embedded system prototyping, learning, and industrial applications. This highly integrated PCB is compatible with the AT89S52 DIP IC, offering a stable and efficient platform for developing 8051-based microcontroller projects.

Equipped with a UART interface (compatible with Max232 IC) for serial communication and a 16x2 LCD interface, this board enables seamless interaction with sensors, modules, and external peripherals. Its robust design, multiple I/O pins, and ISP programming support make it an ideal solution for hobbyists, students, and professionals working on automation, IoT, robotics, and control systems.

Specifications

• Microcontroller Compatibility: AT89S52 (8-bit, DIP 40-pin package)
• Operating Voltage: 5V DC
• Clock Speed: 11.0592 MHz (Standard Crystal)
• Flash Memory: 8 KB (Reprogrammable)
• RAM: 256 Bytes
• EEPROM: 512 Bytes
• Number of I/O Pins: 32 (P0, P1, P2, P3)
• Timers & Counters: 3 (16-bit each)
• Communication Interfaces: UART (Compatible with Max232 for Serial Communication)
• Display Interface: 16x2 LCD (Compatible with HD44780 Controller)
• External Interrupts: 2 Hardware Interrupts (INT0, INT1)
• Power Supply Options: 5V USB Power or External DC Adapter (7V-12V)
• Programming Interface: ISP (In-System Programming) Header
• PCB Design: Professionally Assembled, Compact, and User-Friendly Layout

Features

1. AT89S52 Microcontroller Compatibility

• Supports the AT89S52 DIP IC (8-bit 8051-based microcontroller)
• 8 KB Flash Memory, 256 Bytes RAM, 512 Bytes EEPROM
• Runs at 11.0592 MHz for stable operation
• 32 I/O pins for external interfacing

2. UART Interface (Compatible with Max232)

• Integrated serial communication support for PC and external modules
• Compatible with Max232 IC for RS232 communication
• Ideal for interfacing GSM, GPS, and Bluetooth modules

3. 16x2 LCD Display Interface

• Directly compatible with HD44780-based 16x2 LCDs
• Displays real-time data, sensor readings, and debugging messages
• Supports both 4-bit and 8-bit communication modes

4. Multiple Power Supply Options

• Supports 5V USB Power for easy plug-and-play use
• External DC input (7V-12V) for enhanced power stability
• Onboard voltage regulators ensure consistent 5V and 3.3V output

5. I/O Connectivity & Peripherals

• 32 Digital I/O Pins (P0, P1, P2, P3) for sensor and module interfacing
• Push buttons for Reset and User-Defined Inputs
• LED Indicators for Power and User-Debugging
• ISP Header for easy firmware updates and programming

 Applications

1. Embedded Systems Learning & Prototyping

·        Ideal for students, hobbyists, and engineers to develop and test 8051-based projects

·        Supports coding and debugging through UART & LCD display

2. Industrial Automation & Process Control

·        Can be used in industrial environments for sensor-based monitoring and control systems

·        Ideal for motor control, relay switching, and industrial automation

3. IoT & Wireless Communication

·        Can be integrated with GSM, Wi-Fi, and Bluetooth modules via UART (Max232 Compatible)

·        Enables IoT-based automation and remote monitoring

4. Robotics & Motion Control

·        Controls Servo Motors, Stepper Motors, and Robotic Arms

·        Supports interfacing with sensors and motor drivers for robot navigation and automation

5. Home Automation

·        Integrates with relays, sensors, and displays to build smart home solutions

·        Can be used for automated lighting, security systems, and remote control applications

6. Security & Surveillance

·        Supports motion sensors and alarm systems

·        Can be used to create a standalone security monitoring system with an LCD display

7. Data Logging & Sensor Monitoring

·        Works with ADC modules for real-time data collection

·        Can log data from temperature, humidity, and motion sensors