The Bipolar Power Transistor (BPT), as a switching device for power applications, had a few disadvantages. This led to the development of the power MOSFET (Metal Oxide Semiconductor Field Effect Transistor). The power MOSFET is used in many appli

串口通讯，下位机是血压计。也可以连接血压模拟仪，实现自动测试。-Serial communication, the next crew is sphygmomanometer. Blood pressure simulator can also be connected, automatic testing.

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