Feature

1. black plate-making process, beautiful, high-quality2. Configure the STM32 chip, LQFP48 package, 72M frequency, 64K-FLASH, 20K-RAM3. With power indicator, onboard programmable LED lights4. The board has 8M crystal, ST recommended brand RTC Crystal5. Standard 20P-JTAG / SWD interface that uses a variety of common emulator6. The board has 20C04- data parameter memory for easy application development, data access parameters7. All GPIO independent leads, pin can be up and down welding, soldering default down