电路图基础2026-03-07

圆顶灯调光器电路--Dome Lamp Dimmer There are times when a little light inside the car would greatly assist one of the passengers but the dome light is too bright for safe driving. The dimmer circuit

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电路图基础2026-03-07

LED或闪光灯电路--LED or Lamp Flasher Minimum parts counting Designed for 3V battery operation Parts:

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电路图基础2026-03-07

双线灯闪光灯电路--Two-wire Lamp Flasher Ideal to operate 3 to 24V DC existing on-circuit lamps

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电路图基础2026-03-07

礼貌灯电路--Courtesy Light 15 seconds delayed switch-off A good idea for bedroom lamps Parts: R1____________470R   1/2W ResistorR2____________100K   1/4W ResistorR3______________1M5  1/4W Resis

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电路图基础2026-03-07

黑暗激活LED或灯闪光电路--Dark-activated LED or Lamp Flasher Simple photo-sensitive circuit3V battery supply

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电路图基础2026-03-07

LED或灯序电路--LEDs or Lamps Sequencer Parts: R1______________1K5  1/4W ResistorR2____________680R   1/4W Resistor (Optional, see text)

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电路图基础2026-03-07

便携式湿度计的实际电路 振荡器对电路提供交流电源。电桥的一臂为湿度传感器，由于湿度变化使湿度传感器的阻值发生变化，于是电桥失去平衡，产生信号输出，放大器可把不平衡信号加以放大，整流器将交流信号变成直流

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电路图基础2026-03-07

欧姆定律电路   此电路适用于可以流经较大电流的陶瓷湿度传感器。由于测湿电路可以获得较强信号，故可以省去电桥和放大器，可以用市电作为电源，只要用降压变压器即可。其电路图如图。

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电路图基础2026-03-07

带温度补偿的湿度测量电路    在实际应用中，需要同时考虑对湿度传感器进行线性处理和温度补偿，常常采用运算放大器构成湿度测量电路。下图为湿度测量电路中Rt是热敏电阻器(20kΩ，B=4100K)；RH为H204C湿度传感器

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电路图基础2026-03-07

键盘和显示电路 　　如图6所示，由键盘电路和液晶显示电路两部分组成。液晶显示电路采用ZJM12864BSBD，这是一款低功耗的点阵图形式LCD，显示格式为128点(列)×64点(行)，具有多功能指令，很容易与MPU相连。其中键盘

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电路图基础2026-03-07

可控硅调光灯电路-TRIAC Light Dimmer This little circuit can be used to dim lights up to about 350 watts. It uses a simple, standard TRIAC circuit that, in my expirience, generates very little heat.

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电路图基础2026-03-07

红外线远程控制电路 Infa-Red Remote Control I have received a number of emails requesting schematics for infa-red remotes. So here is one. This remote transmits a tone using an infa-red LED. This tone

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电路图基础2026-03-07

红外遥控器干扰电路 IR Remote Control Jammer By Carl Don\'t like your little brother\'s TV channel selection? Hate the volume your wife sets the stereo at? Want to just annoy someone? This circuit doe

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电路图基础2026-03-07

激光发射器/接收器电路 LASER Transmitter/Receiver This set of two circuits from the basis for a very simple light wave transmitter. A LASER beam is modulated and then aimed at a receiver that demodula

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电路图基础2026-03-07

脉宽调制直流电动机控制电路 Pulse Width Modulation DC Motor Control Often, people attempt to control DC motors with a variable resistor or variable resistor connected to a transistor. While the latter

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电路图基础2026-03-07

步进电机控制器电路 Stepper Motor Controller I found this circuit in my files. I don\'t know where it came from, but it looks like I photocopied it from somewhere years ago. I have been told that it c

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