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- 89c2051单片机制作的转速测定仪，传感器用霍尔开关管-89c2051 SCM produced by the speed detector, using Hall sensor switch
LHW216EH.pdf
- 功率型光电继电器,具5000耐压隔离电压.负边双向导通.-The LHW216EH consists of an AlGaAs infrared light-emitting diode (LED) input stage optically coupled to a high-voltage output detector circuit. The detector consists of a high-speed photovoltaic diode array and driver c
LHW216EH
- The LHW216EH consists of an AlGaAs infrared light-emitting diode (LED) input stage optically coupled to a high-voltage output detector circuit. The detector consists of a high-speed photovoltaic diode array and driver circuitry to switch on/off two d
SI4463
- SILABS新推出SI4463完整DEMO板原理图、PCB图、DEMO程序下载。传输距离1000~2000米 SILABS新推出EZradioPRO系列RFIC:SI4432,适合长远距离的无线数据传输应用.其发射功率+20dbm,接收灵敏度-116dbm,通讯距离2000米 SI4463特点 频率范围= 119–1050 MHz 接收灵敏度 = –126 dBm 调频模式 (G)FSK and 4(G)FSK OOK and ASK 最大输出功率 +20 d
main
- 总体电路设计是用DSl8B20作为温度检测计，将电路上电后可以测试温度，通过数码管显示。还可以通过按键来设置上下限温度。当温度超过范围，LED灯点亮，模仿开关的关断。利用89S51单片机的定时/计数器和外部中断功能，来完成测试温度和报警的功能，其结果通过数码管显示出来。-Overall circuit design is DSl8B20 as temperature detector, the circuit can be tested after power on temperature, t
Simple-resistance-detector
- 2011年电子设计大赛简易电阻测试仪，档位变为原来的2倍。单片机使用IAP15W4K58S4，通过继电器切换档位，自带AD检测 电阻，通过12864显示，并能由矩阵键盘输入所要求的阻值和误差。-2011 electronic design contest simple resistance tester, stalls into the original 2 times. SCM using IAP15W4K58S4, through the relay switch gear, comes