. . .
间歇时间可调的定时器......................................................................................................................................................................9
顺序控制定时电路 .............................................................................................................................................................................11
LCD 数字钟整点语言报时器..........................................................................................................................................................13
通段时间可调循环定时插座电路.................................................................................................................................................14
简体晶体管测试仪 .............................................................................................................................................................................15
简易线圈匝数测试仪 ........................................................................................................................................................................17
生产线自动计数装置 ........................................................................................................................................................................18
三位数子显示电容表 ........................................................................................................................................................................20
输出电压可调的 DC/DC 倍压电源 ..............................................................................................................................................21
无人驾驶的小汽车 .............................................................................................................................................................................23
模仿动物鸣叫音响电路....................................................................................................................................................................25
可调速的电动玩具车 ........................................................................................................................................................................26
简易玩具电子琴..................................................................................................................................................................................28
地震报警电路.......................................................................................................................................................................................30
挥手停电子钟.......................................................................................................................................................................................32
心电图机校验器..................................................................................................................................................................................33
疲劳程度测试仪..................................................................................................................................................................................35
老人跌倒呼救装置 .............................................................................................................................................................................36
病人昏倒语音救护盒 ........................................................................................................................................................................38
光控自动闪烁路标灯,电子蜡烛.................................................................................................................................................41
生日快乐电子蜡烛 .............................................................................................................................................................................43
楼顶自动上水控制电路....................................................................................................................................................................45
自动冲厕节水控制器 ........................................................................................................................................................................47
水位自动控制电路 .............................................................................................................................................................................48
红外水龙头控制电路 ........................................................................................................................................................................50
柴油发电机组停来电控制电路......................................................................................................................................................52
红外遥控语音报讯 .............................................................................................................................................................................55
红外遥控开关.......................................................................................................................................................................................58
红外遥控开关.......................................................................................................................................................................................60
三通道红外遥控开关 ........................................................................................................................................................................62
高性能红外遥控开关 ........................................................................................................................................................................63
远距红外遥控.......................................................................................................................................................................................65
四通道红外遥控..................................................................................................................................................................................67
多功能红外遥控开关 ........................................................................................................................................................................68
热释红外遥控传感 .............................................................................................................................................................................71
红外遥控声光报警 .............................................................................................................................................................................73
温度控制................................................................................................................................................................................................76
马达自动调速.......................................................................................................................................................................................78
A/D 转换................................................................................................................................................................................................80
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