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  • The Brilliant Green Concept ??? The SmartSwitch

    2015-09-25 18:54:5762

    Thanks to the rapid growing of fossil fuels industry, our mother Earth has been badly polluted day after day. In order to stop the global warming probl...

  • Sound-activated-switch

    2015-09-25 17:13:1569

    A sensitive electret microphone picks up the sound and feeds the signal to a two-stage amplifier circuit, consisting of Ula and Ulb. The amplified outp...

  • On Off Touch Switch Circuit

    2015-09-25 16:49:4870

    Small and portable unit, Suitable for normal-type devices The modern mechanic switches are improved concerning of old technology. We need however many ...

  • Auto touch switch

    2015-09-25 11:41:4666

    When someone touches the touchplate (TP), the resistance of his finger across points A and is added in series to the combination of Rl and R2, the capa...

  • On/Off Touch Switch

    2015-09-25 11:13:0075

    This circuit uses a CA3240 dual BiMOS op amp to sense small currents flowing between the contact points on a touch plat e. The high input impedance of ...

  • High Side Current Sensing for Low Side Switching

    2015-09-25 10:23:4565

    An AD8205 can be used to make a high-side current sense with a low side switch. Besides AD8205, an inductive load (solenoid) and a resistive shunt are ...

  • Separate ON-OFF Touch Switch

    2015-09-25 09:10:3461

    Providing a touch switch can be a cool way to make your circuit looks sophisticated. Moreover, providing separate touch pad for on and off function imp...

  • Jetta Air condition switch, blower, 5V motor circuit

    2015-09-25 08:23:5367

    The figure is Jetta Air condition switch, blower, 5V motor circuit. ws=whitesw=blackro=redbr=browngn=greenbl=bluegr=grayli=purplege=yellowor=orange A-B...

  • Sound-Operated Switch

    2015-09-25 06:55:3688

    This sound-operated switch will sense the ring of the phone and translate this to a lamp that will go on and off. The amplified signal across R2 reache...

  • 3V CAPACITANCE PROXIMITY SWITCH

    2015-09-25 04:45:0766

    This circuit was designed to provide a touch activated switch function without an external power supply. It draws so little power that a single 3v batt...

  • Photoelectric isolating quick switch circuit

    2015-09-25 04:02:0762

    Nearly any standard photoelectric isolator can be used in this circuit, it just needs about 20μA current from photodiode D2, then the LM195 power tran...

  • Precision Narrow-Band Tone Switch

    2015-09-25 03:02:4862

    This signal tracker and lock detector combine to make a precision tone switch. Filter R3/R4/C2 determines signal capture and tracking range, as well as...

  • Switching Injector Application Driver Circuit using LM1949

    2015-09-24 22:09:33164

    An LM1949 function modification as a switcher can be seen in the following circuit diagram. This injector drive controller has an excellent control of ...

  • Voltage Comparator Switch

    2015-09-24 08:35:0966

    Voltage Comparator Switch Notes: This circuit will provide an indication whenever the input voltage differs from two defined limits, V1 and V2. The sup...

  • Triple key interlock electronic switch schematic

    2015-09-24 08:08:0773

    The figure is Triple key interlock electronic switch schematic. Reprinted Url Of This Article: http://www.seekic.com/circuit_diagram/Control_Circuit/Sw...

  • Parallel Switch Sounding Device Loop Alarm Circuit

    2015-09-24 06:29:2962

    An alarm circuit having a plurality of audible sounding devices is arranged in series relative to a supervisory current in one direction of flow to ena...

  • Switch-Mode Voltage Regulator

    2015-09-24 05:28:4165

    Switch-mode power supplies offer the benefit of a much greater efficiency than obtainable with a traditional power supply. The switch-mode regulator pr...

  • 60V Switching PSU

    2015-09-24 02:33:5164

    This power supply used to supply power amplifier The schematic diagram come from circuit: 60 Volt Switching Power Supply for PA power supply. Go to tha...

  • Alarm Sounder For Flex Switch Circuit

    2015-09-23 21:40:1962

    This is a cross-sectional diagram of a flex switch. They can be used as pushbutton or even position sensors. This schematic diagram shows an oscillator...

  • Touch Switch Circuits

    2015-09-23 20:38:29222

    Here is a great collection of touch switch circuits. A touch switch is an electronic device that enables us to control a circuit by simply touching a s...

  • LM317 Low-Cost 3A Switching Regulator

    2015-09-23 17:50:2074

    A switching voltage regulator circuit shown in the schematic diagram here can be a low cost solution for your high efficiency requirement electronic ci...

  • Fan Speed over Ride Switch

    2015-09-23 15:55:5371

    If you get into trouble about the heat of notebook. Today I begs for to advise the way enhances the speed of the electric fan with Fan Speed over Ride ...

  • Amp Variable Output Switching Regulator using LM195

    2015-09-23 14:25:3962

    This circuit is the variable output switching regulator for general purpose applications. An LM105 positive regulator is used as the? amplifier-referen...

  • Hall Effect switch

    2015-09-23 10:27:3677

    Description. The circuit diagram shown here is of a Hall Effect switch. Hall Effect sensor IC DN6848 from Panasonic is the heart of the circuit. The DN...

  • 220V Touch Switch

    2015-09-23 09:27:4764

    This is a 220V Touch Switch circuit. This circuit is used as switch which turn off and turn on the the electronic device that is connected to the 220V ...

  • Electronic Double Switch Circuit Diagram

    2015-09-23 06:51:1267

    E-double switch, Triac circuit, as shown. S1, S2 is installed in the A, B and the two switches(pull switch or wall dark switch, etc.), two conductor wi...

  • Dc static switch

    2015-09-23 06:50:3067

    This circuit is a static SCR switch for use in a dc circuit. When a low power signal is applied to the gate of SCR1, this SCR is triggered and voltage ...

  • How to build Switchable Output Crystal Oscillator

    2015-09-23 03:54:3761

    Description This oscillator circuit permits crystals to be electronically switched by logic commands. The circuit is best understood by initially ignor...

  • Dark Activated Switch

    2015-09-23 01:47:0570

    Description This circuit will activate a relay when light falls to a preset level. Light level can be adjusted with VR1 and the relay contactsmay be us...

  • Sound-activated-tape-switch

    2015-09-23 00:27:3686

    This circuit can cause a cassette recorder to automatically tum on and record when a sound or noise is present. Another use, is when the sound-activate...

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