电路图基础2026-03-07

红外遥控电路--Infrared Remote Control This circuit will allow you to turn on any piece of equipment that operates on 115 volts ac. The reciever circuit is based on the Radio Shack infrared receiver m

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电路图基础2026-03-07

击落模型定位器电路 (Downed Model Locator II) Here is another device to help you locate your downed R/C sailplane in the bushes and weeds.  Similar to the other design, this circuit plugs into a spa

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电路图基础2026-03-07

Phorism with 12V R1 = 27 KOhm  1/4W Q1,2 = BC 548 C1,2 = 15 nF polyester R2 = 1,2 ΚOhm  1/4W Q3 = 2N2219

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电路图基础2026-03-07

PWM马达/灯控制器电路-PWM Motor/Light Controller A pulse width modulator (PWM) is a device that may be used as an efficient light dimmer or DC motor speed controller. The circuit described here is a g

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电路图基础2026-03-07

单极性步进电机控制器电路--Unipolar Stepper Motor Controller This is a very good integrated circuit. There is no need for any external glue logic to drive the circuit, there is only 2 pins to drive th

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电路图基础2026-03-07

可调频闪灯电路--Adjustable Strobe Light This one uses a much more powerful \"horse shoe\" Xenon tube which produces more light. You can also control the flash rate up to about 20Hz. Do not look direc

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电路图基础2026-03-07

风扇控制器电路-Fan control This is a simple circuit that will do what you want I believe. R1 15k ohm resistorNTC Thermistor- 10k ohm, sold at Radio Shack in the states.P1 10k ohm potentiometer - se

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电路图基础2026-03-07

直流电动机控制电路-DC Motor Control Circuit Notes:  Here, S1 and S2 are normally open , push to close, press button switches.  The diodes can be  red or green and are there only to indicate direct

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电路图基础2026-03-07

简单伺服测试仪电路--Simple Servo Tester click here to download schematic in pdf This is a simple servo tester which will comprehensively test the capabilities of almost any modern servo. It has two

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电路图基础2026-03-07

音量指示器--Sound Level Indicator This project uses an LM3915 bar-graph IC driving two sets of ten LEDs for a 30dB range. The circuit is unique because it has an additional range of 20dB provided by

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电路图基础2026-03-07

低功耗闪烁器电路--Low power blink led R1 = 4 mOhm D1 = Red Led 5mm    R2,6 = 10 mOhm T1 = BS170    R3 = 470 Ohm T2 = BC560B   R4 = 10 kOhm   T3 =   BC516    p5 = 680 KOhm P1 = 5 MOhm

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电路图基础2026-03-07

通断温度控制电路--On-Off Temperature Control This circuit controls a load (in this case a dc brushless fan) based on a temperature compared with a setpoint. THe transduced is a diode in the forward

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电路图基础2026-03-07

直流电动机可逆电路--DC Motor Reversing Circuit Description:A DC motor reversing circuit using non latching push button switches. Relays control forward, stop and reverse action, and the motor cannot

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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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