Description <br> PowerfulPerformance The 51 MCU Development Board features a highperformance 51 microcontroller chip, offering excellent computing powerand stability to meet complex development needs. <br> User Friendly Development Environment With its user friendly graphicalinterfaceand extensive code library, the accompanying development software makes it easy for beginners to and quickly develop and debug their projects. <br> Engineers and Makers This development board is an essential tool for engineers and makers to realize IoTprojects and embedded systems. It allows for rapid prototyping, development, and debugging. <br> Versatile Applications Suitable for industrial control and automationfields, this development board has been meticulously designed and rigorously tested to high stability and reliability for long term operation. <br> For Education and Training Perfect for electronic design and embedded system courses in universities and high schools, this development board helps students understand andmaster the technology of microcontroller development. <br> <br> Product name: STC89C52 Development board <br> Main control chip: STC89C52 <br> Crystal frequency: 11.0592M / 12M <br> Input <br> Output <br> Power supply <br> Size: 90mmx77mm/3.54x3.03in <br> On-board resources: <br> The ISP download (available) when using AT89S52 devices or ATMEGA16 <br> Active buzzer; The power The power light <br> The data receiving and transmitting light <br> PL2303 communication chip <br> DS18B20 temperature <br> 38K receiving <br> ZIF pluggable chip <br> The LCD1602 LCD display <br> LCD12864 LCD <br> Colour:As Shown <br> Material:PCB <br> <br> Package Contents: <br> 1 x STC89C52 Development Board <br> <br> Only the above package content, other products are not included. <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>