為了有效緩解靜脈曲張,設(shè)計了單片機控制的智能靜脈曲張預(yù)防儀.該靜脈曲張預(yù)防儀由薄膜壓力傳感器、MSP430單片機、NRF24L01單片射頻收發(fā)器件、藍牙無線連接系統(tǒng)等模塊構(gòu)成.通過壓力傳感器檢測人是否站立,其站立時間由單片機計時;當站立時間達到某一設(shè)定時間時,主機利用NRF24L01發(fā)送指令給從機;從機接收該指令,發(fā)出指令啟動振動電機開始按摩;達到事先設(shè)定的按摩時間,電機停止振動.通過手機藍牙串口APP設(shè)置站立時間和按摩時間進行調(diào)控,給用戶更好地體驗.系統(tǒng)結(jié)構(gòu)簡單,體積小,重量輕,使用方便.

In order to relieve varicose veins effectively,an intelligent varicose vein prophylactic device controlled by single-chip microcomputer was designed.The varicose vein prophylactic device is composed of a membrane pressure sensor,an MSP430 single-chip microcomputer,a NRF24L01 single-chip radio frequency transceiver device,a bluetooth wireless connection system and other modules.The pressure sensor detects whether the person is standing,and the standing time is counted by the single-chip microcomputer.When the standing time reaches a pre-setting time,the host sends a command to the slave using NRF24L01.The slave receives the command and issues a command to start the vibration motor to start the massage.The motor stops vibrating when the preset massage time is reached.The standing time and massage time can be set through the mobile phone Bluetooth serial APP to adjust and give the user a better experience.The system has the advantages of simple structure,small volume,light weight and convenient use.

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