STC89C52RC 51 Development Board Microcontroller Module AVR 51 MCU Electronic Component 3-5V Power Supply Compatible

Enhance your embedded system projects and microcontroller experiments with this versatile 51 Single-Chip Development Board, designed for both 5V and 3.3V chip compatibility. Perfectly suited for AVR and 51 series microcontrollers, this development board delivers extensive features that support a wide range of applications in learning, prototyping, and experimentation. Key Features: · Dual Voltage Compatibility: Supports both 5V and 3.3V power modes via an onboard selection switch, ensuring compatibility with various microcontrollers and peripheral devices. · Comprehensive LED and Button Interface: Equipped with 8 SMD LED indicators and 6 SMD buttons, providing ample user interaction options and real-time status display. · Digital Display: Includes 4 LED digital tubes for clear numerical output and debugging convenience. · Integrated Buzzer with Sound Prompts: Ideal for auditory feedback in music, alarm simulations, and other sound-based experiments. · MAX3232 Serial Port Conversion Chip: Enables robust serial communication and single-chip programming at both 5V and 3.3V logic levels, facilitating easy device interfacing and software development. · Sensor Interfaces: Features a temperature sensor port and an infrared receiving interface compatible with IR modules like H1838, enabling infrared remote control experiments and expanded sensor integration. · ISP Programming Interface: Supports in-system programming via USB-ISP downloader for seamless uploading and updating of firmware. · Flexible Power Options: Powered via Mini USB or external stabilized power supply, with an onboard 3.3V voltage regulator chip to maintain stable operation. · Full IO Port Accessibility: All IO ports are fully exposed for easy connection and expansion with external modules and devices. Includes dedicated 3.3V and 5V power supply expansion terminals to power auxiliary components. Specifications: · Item Type: Development Board · Material: Synthetic Cardboard · Input Voltage: 3-5V · Purpose: Experimental learning device for 51 and AVR microcontrollers · Transmission Methods: Serial port download and ISP download compatible Package Includes: · 1 x 51 Single-Chip Development Board This development board offers a comprehensive platform for students, hobbyists, and engineers to explore microcontroller programming, digital signal processing, and embedded system designs. Its flexible voltage options, rich interface set, and reliable communication capabilities make it an essential tool for accelerating development and learning in microcontroller-based projects.