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  • Toggle Switch circuit

    2015-10-19 18:02:01200

    This Toggle Switch uses the popular Johnson Decade counter IC CD4017. By giving positive pulses to its clock input, the ten outputs of the IC becomes h...

  • Basic Thyristor Switch

    2015-10-19 10:33:45139

    The silicon controlled rectifier (S.C.R.) is called as the thyristor. It is like a diode, when the cathode is negative with respect to the anode, the c...

  • 5V-12V Multiple Supply Switching regulator by L4970 and L497

    2015-10-19 01:35:52125

    Today take Multiple Supply Switching regulator Circuit. Come to deposit friends keep see in rows think out it can give Voltage supply about 5V 10A and ...

  • High Off Isolation Video Switch/Multiplexer

    2015-10-18 23:44:15110

    Video switch is required to mux/multiplex several video sources, enable multiple camera to be displayed subsequently on a single monitor. This multiple...

  • Sound Operated Switch

    2015-10-18 15:30:40115

    Sound Operated Switch Notes: This sensitive sound operated switch can be used with a dynamic microphone insert as above, or be used with an electret (E...

  • Over-Temperature Switch

    2015-10-18 11:35:1788

    The output goes high when a preset temperature is exceeded. A fixed half-supply reference voltage feeds a reference current to the inverting input, and...

  • How to build High Current MOSFET Toggle Switch with Debounce

    2015-10-18 08:39:47243

    Description This circuit was adapted from the Toggle Switch Debounced Pushbutton by John Lundgren. It is useful where the load needs to be switched on ...

  • Latch Switch 2

    2015-10-18 07:32:41117

    Description This circuit uses a Silcon Controlled Rectifier (SCR) as a latch switch. Once enabled it can only be turned off by pressing S2 or poweris r...

  • 220V Touch Switch circuit diagram

    2015-10-18 04:26:33167

    This is a circuit of a touch switch used to turn on and turn off the electronic device that is connected to the 220V home electrical installations. Thi...

  • 10 Way Electronic Switch

    2015-10-17 21:01:58113

    Description This is a 10 way electronic latching switch using just two switches. Each output can be latched on and off independently. Notes The schemat...

  • Analog Level by BCD Thumbwheel Switch

    2015-10-17 19:30:42151

    BCD Thumbwheel Switch is used to input-set data in digital form, this can be read by digital circuits, uC and uP systems and PLC-SCADA Interfaces. In t...

  • General purpose video switch

    2015-10-17 19:08:4593

    The circuit shown provides 40-dB isolation at 6 MHz and is good for general purpose video switching. Reprinted Url Of This Article: http://www.next.gr/...

  • Automatic Switch For Voltage Converters(LT1070)

    2015-10-17 19:08:08108

    This article briefly describes Automatic Switch For Voltage Converters (LT1070). This principle is easy to understand, but also very practical. Depth u...

  • Isolation and zero voltage switching logic

    2015-10-17 16:26:2491

    These two simple circuits provide zero voltage switching. They can be used with full wave bridges or in antiparallel to provide full wave control and a...

  • How to build Remote Doorbell Warning Switch

    2015-10-17 13:47:11113

    Circuit diagram Important Note: This circuit should only be used with the solenoid type chime doorbells, the electronic type that play tunes will not w...

  • Touch Switch II(NE555)

    2015-10-17 12:35:1881

    This article briefly describes the Touch Switch II (NE555). This principle is easy to understand, but also very practical. Depth understanding of circu...

  • Automatic video switch

    2015-10-17 11:29:2371

    Tum on a game, computer, videodisc player, or whatever, and its output takes priority over the antenna-derived signal-the antenna is disconnected and t...

  • How to build USB Printer Share Switch Circuit Project

    2015-10-17 07:56:45105

    Description This simple device allows two computers to share a single USB printer or some other USB device, such as an external flash drive, memory car...

  • Switchable Vhf Active Antenna Circuit

    2015-10-17 06:25:4971

    The AA-7 active antenna contains only two active elements: Ql (an MFE201 N-chanriel dual-gate FET) and Q2 (a 2SC2570 ripri VHF silicon transistor), whi...

  • Creating a Current Boosting Switch Circuit using Transistor

    2015-10-17 04:26:4376

    The basic structure tocreate a current boosting switch using an NPN transistoris shown in this circuit diagram. Current boosters are needed to step up ...

  • Switchless NiCd-NiMH Battery Charger

    2015-10-17 03:38:3292

    This circuit may be used to replace the single current limiting resistor often found in dirt cheap battery chargers. The alternative shown here will ev...

  • Camera Switch Circuit using 4017

    2015-10-17 02:37:0283

    Here is camera switch circuit. This circuit can be used for multiple cameras with one monitor. The circuit can be operated manually or automatically. W...

  • Scr-replacing-latching-switch

    2015-10-16 23:42:4877

    This circuit provides the tum-on characteristics of an SCR, but turns off with ease. The switch is comprised of three transistors with descending curre...

  • A Keyboard/Mouse Switch Unit Introduced

    2015-10-16 20:46:3468

    The following shows the keyboard / mouse switch unit. Also keyboard / mouse switch unit is easy to use. Here are some of the need keyboard / mouse swit...

  • Sound AC switch

    2015-10-16 15:55:2370

    The circuit uses a 741 op amp operating as an inverting amplifier to amplify the voltage produced by an 8-ohm speaker used to detect any sounds. The fe...

  • How to build Electronic Toggle Switch No1

    2015-10-16 13:08:0275

    Description This simple circuit will energize and de-energize a relay at the push of a button. Any type of momentary action push-to-make switch can be ...

  • Optical toggle switch using a single chip circuit schematic

    2015-10-16 13:04:0097

    This article is a toggle switch using a single optical chip circuit schematic explanation. The principle is simple but effective. For you to more effec...

  • Child-Proof Reset Switch

    2015-10-16 10:56:4366

    The reset switch on a computer is very important. If an operating instruction threatens to wreck the internal mana gement of a computer, the reset butt...

  • Automatically switches off DMM (DAC7612UBG4)

    2015-10-16 02:46:5873

    This article describes the Automatically switches off DMM (DAC7612UBG4). The content is very simple, very helpful. Components in this article can help ...

  • Tact Switch 2 Circuit

    2015-10-16 00:53:2068

    This article introduces the circuit diagram is lighttouch switch 2. The circuit is not new, but it proved so useful, simple and cheap, worth building. ...

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