Features: PowerfulPerformance The 51MCU Development Board features a highperformance 51 microcontroller chip, offering excellent computings powerand stability to meet various complex development needs. User Friendly Development Environment With its user friendly graphicalinterfaceand extensive code library, the accompanying development software makes it easy to get started and quickly develop and debugging their projects. Engineers and Maker This development board is an essential tool for engineers and maker to realize various IoTprojects and embedde. It allows for rapid prototyping, development, and debugging. Applications Suitable for industrial control and automationfields, this development board been meticulously designe and rigorously test to ensure high stability and reliability for longterm operation. For Education and Training Perfect for electronic design and embedde courses in universities and high schools, this development board help students understand andmaster the technology of microcontroller development. The product only supports Windows7 and Windows8 computer, and doesnot support Windows10 and Win11 Specifications: Product name: STC89C52 Development board Main control chip: STC89C52 Crystal frequency: 11.0592M / 12M Input voltage: DC5V Output voltage: DC5V Power supply mode: an external power supply DC5V power supply, the USB Size: approx 90mmx77mm/3.54x3.03in On-board resources: The ISP download interface (available) when using AT89S52 devices or ATMEGA16 Active buzzer; The power switch; The power indicator light The data receiving and transmitting light PL2303 communication chip 38K infrared receiving head interface ZIF pluggable chip carrier The LCD1602 LCD display interface LCD12864 LCD interface Package Includes: 1PC x Development board note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention