Position: Index > Control Circuit >
  • New ARM7 Microcontrollers from NXP with LCD support

    2015-03-02 19:17:1164

    New microcontroller LPC2478 from NXP company is based on ARM7 core with built in Flash memory and have built in LCD interface. LPC2470 has no Flash mem...

  • Input protection circuit of broadband strain signal conditio

    2015-03-02 19:06:5580

    In the industrial field measurements, the 1B31 is needed to be designed input protection circuit to protect input end from instantaneous short-circuit ...

  • Tone Control Stereo (bass-treble) by IC NE5532 x2.

    2015-03-02 19:03:18585

    A friend of me wants Tone Control Stereo circuit at can control the sound bass-treble-volume well. I then seek this circuit be Tone Control Stereo (bas...

  • Fire Alarm with LDR Sensor

    2015-03-02 19:03:12104

    This is the fire alarm circuit which use LDR to sense the smoke from the fire, so it can be used to detect any dark smoke. With the onset of summer sea...

  • Touch Sensor Switch Circuit with 555 timer

    2015-03-02 18:57:59142

    This is a very simple touch sensor switch that is build with the 555 timer IC.You just need to touch the metal plate and the relay gets energised and i...

  • Economical Pump Controller

    2015-03-02 18:56:2567

    Circuit diagram The automatic pump controller eliminates the need for any manual switching of pumps installed for the purpose of pumping water from a r...

  • A multifunctional pump control circuit

    2015-03-02 18:55:5073

    Many high-power devices need circulating cooling water for cooling. When it has many cooling equipment units, you can install a shared water pump using...

  • Bass and treble controls without any principle of the integr

    2015-03-02 18:46:36154

    This article briefly describes the Bass and treble controls without any principle of the integrated circuit and transistor. This principle is easy to u...

  • TV Remote Control Interceptor explain the principle

    2015-03-02 18:43:4585

    This article is a TV remote control to explain the principles of the interceptor. The principle is simple but effective. For you to more effectively gr...

  • REACTION TIMER GAME

    2015-03-02 18:42:30180

    This is a game for two players. Player 1 presses the START button. This resets the 4026 counter chip and starts the 555 oscillator. The 555 produces 10...

  • Automatic Windshield Washer Control(TIP29)

    2015-03-02 18:33:28140

    This article briefly describes the Automatic Windshield Washer Control (TIP29). This principle is easy to understand, but also very practical. Depth un...

  • One-Shot Timer for Energy Saving Lighting

    2015-03-02 18:30:3167

    Faced with the situation to control the time that the light is turned on, engineer Radu Preda from Romania has started experimenting with different cir...

  • Use The USB interface to Control Stepping Motor!

    2015-03-02 18:24:3772

    Have you ever involved yourself with the Stepping motor before? For those of you that never have the opportunity, then you should try this project! Sin...

  • Flashing light control circuit

    2015-03-02 18:23:44100

    This wonderful scene can be realized through the flashing light control circuit installed below the front headlights or trunk parts. Actual line is sho...

  • HYM1422 Hot Swap Controller

    2015-03-02 18:21:5562

    The HYM1422 is an integrated 2.7V to 12V hot swap controller. This device allows a board to be safely inserted and removed from live backplanes. This i...

  • How to build Automatic Loudness Control

    2015-03-02 18:20:5668

    Circuit diagram: Parts: P1 10K Linear Potentiometer (Dual-gang for stereo)R1,R6,R8 100K 1/4W ResistorsR2 27K 1/4W ResistorR3,R5 1K 1/4W ResistorsR4 1M ...

  • PWM motor speed control using C4093

    2015-03-02 18:20:14262

    This circuit is a circuit diagram of motor speed controller with PWM system. If in the previous article for controlling the motor speed using the NE555...

  • LIGHT BULB TIMER

    2015-03-02 18:18:38113

    Occasionally you might have a need to keep a light on for a certain time, usually a few minutes, and be sure that it switches off even if you forget to...

  • How to build Fancontrol

    2015-03-02 18:11:21101

    Circuit diagram This is a simple circuit that will do what you want I believe. R1 15k ohm resistor NTC Thermistor- 10k ohm, sold at Radio Shack in the ...

  • Smoke Alarm Circuit(Photo-interrupter module)

    2015-03-02 18:07:59106

    The photo-interrupter is simply an optical coupler with the elements separated with a slot. Anything that enters this slot reduces the current transfer...

  • LOW acoustic-optical siren circuit

    2015-03-02 18:06:2592

    The circuit can generate high intensity warning sound, and it can be used as anti - theft siren. When power alarm system is connected, VD1 flashes and ...

  • Toy Car Remote Controller Circuit Diagram using TX2B IC

    2015-03-02 18:04:561037

    The herein diagram circuits a toy car remote controller using TX2B CMOS LSIs which is designed for controlling the motions of the remote controlled car...

  • Programmer for the 68HC705C8 MicroController (68HC705C8 )

    2015-03-02 18:03:18140

    This article describes the Programmer for the 68HC705C8 MicroController (68HC705C8). The content is very simple, very helpful. Components in this artic...

  • Remote and Touch Volume Controls by IC MC3340P

    2015-03-02 18:02:5680

    Remote and Touch Volume Controls circuit by MC3340P If you are tired of adjusting the volume with a normal volume. I suggest this is the remote and tou...

  • SCR Control circuits

    2015-03-02 17:59:50116

    90° Phase Control of SCR. Phase control of SCR In ac circuits, theSCR can be turned onby the gate at any?angle a with respect to the applied voltage. ...

  • Better Volume (and Balance) Controls

    2015-03-02 17:54:12108

    The volume control in a hi-fi amp or preamp (or any other audio device, for that matter), is a truly simple concept, right? Wrong. In order to get a sm...

  • Three-phase factor controller

    2015-03-02 17:54:02118

    The function of usingthree-phase factor controller have below four advantages.Electricity charges can be saved by power factor discount. Effective use ...

  • Tape recorder position indicator-controller

    2015-03-02 17:40:1581

    This circuit is representative of the many applications of up/down counting in monitoring dimensional position. In the tape recorder application, the L...

  • Closed loop motor speed control

    2015-03-02 17:35:3174

    A closed loop controller will regulate the the power delivered to the motor to reach the required velocity. If the motor is to turn faster than the req...

  • Low Voltage Alarm circuit

    2015-03-02 17:31:47126

    This low voltage circuit can be used to monitor batteries and other volatile sources of current for problems. The circuit sounds an alarm and lights an...

Maybe you like