Features: The STC89C52 STC51 Cores Development Board offer high Performances with its compatibility across various development needs, making it essential tool for microcontroller enthusiasts. Featuring minimal systems, this pre soldered board integrates essential Module like power, resets, and clock circuits, simplifying circuit design and providing a convenient experimental environment. for electronics hobbyists, embeddeds systems engineers, and educational institutions, this board caters to those interested in microcontroller programming and circuit. Perfect for educational training, laboratory research, personals project development, and product prototype design, this board supports wide ranges of intelligent control applications. With portable, the development board includes multiple interfaces for flexible Peripherals connection, ensuring stability and long reliability with components. Specifications: Materials: PCB Size: 60x38mm/2.36x1.49inch Input current: 20mA Output current: 230HA (actual 250uA-160uA due to manufacturing error) Push pull output: Strong pull-up output, up to 20mA, minimize usage Package Includes: 1PC STC89C52 Development Board note: Please allow 0-1cm error due to manual measurement. make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.