This is a core chip based on for CS32F103C8T6 ARM core board, features are as follows: 1, the board based on the most basic MCU circuit, 8M and 32768 crystal circuit, USB power supply circuit. 2, the core board is divided into two rows leads to all the I / O port. 3, with SWD simulation debug download interface, simple and convenient, debugging speed. 4, the use of the type-c USB interface, you can do USB communication and power supply, USB interface, compatible with Andrews mobile phone charger interface. 5, Easy to start, more stable. 6, with double pin, but the pin does not default welding, the user according to their own application scenarios to choose their own welding direction. Colour:Blue Material:plastic Package Contents: 1 * Development Board Module Only the above package content, other products are not included. Note: Light 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.