RFID+and+Sensor+Network+Automation
With the continued growth in the world's population, there is a need to ensure availability of enough food to feed everyone. Advances in science and t...
With the continued growth in the world's population, there is a need to ensure availability of enough food to feed everyone. Advances in science and t...
以AT89C51单片机为核心,结合数字电子技术相关电路,设计了一款基于变介电常数的植物叶片含水率无损检测装置。该装置采用夹持型平行极板电容器与555定时器搭建多谐振荡器,以待测叶片作为电容极间介质,通过待测叶片水分变化影响介电常数,进而改变多谐振荡器频率,再由单片机完成数据读取与处理,以此来检测叶片...
针对中药药房以人工抓药为主造成的劳动强度大、效率低下、易出错等问题,设计了一种基于单片机的中草药抓药称量装置。该装置能完成对根、茎、叶、花、果实等各形态中草药的抓药和称量,安装简便,适应性强,具有一定的市场需求。Because the main labor form of traditional C...
本文以STC89C52单片机作为主控制器,应用温度传感器、红外传感器、LCD1602显示模块等,对常用的电风扇加以改进,设计了一种智能温控风扇系统。实现当用户在风扇前一定距离、且温度达到预设值时自动启动,在用户离开时自动关闭;随着环境温度的变化自动调节转速;对风扇运行的当前温度和预设的上下限温度进行...