黑金出的学生练习板，双ad9226采集，两路输入5v以内的信号，自带衰减电路。-Black gold out of the students to practice the plate, double ad9226 collection, two input signals 5v within, comes attenuation circuit.

神舟王STM32F103ZET底板原理图 V2-Schematic diagram of the bottom plate of the Shenzhou king STM32F103ZET V2

小四轴PCB外形图，PcbDoc文件，可直接在其内部布置元件，制版。-Small axis PCB outline drawing, PcbDoc file, arrangement of elements, the plate directly in its interior.