• Latching continuity tester (CD4093)

    2016-01-21 02:44:39106

    This article describes the Latching continuity tester (CD4093). The content is very simple, very helpful. Components in this article can help you under...

  • Microphone Polarity Tester (1N914)

    2016-01-21 02:32:4667

    This article describes the Microphone Polarity Tester (1N914). The content is very simple, very helpful. Components in this article can help you unders...

  • Measureall Workbench Test Instrument (ICL7107)

    2016-01-21 01:35:5773

    This article describes the Measureall Workbench Test Instrument (ICL7107). The content is very simple, very helpful. Components in this article can hel...

  • DTMF Receiver IC Tester(MT8870 )

    2016-01-21 01:23:2171

    This article describes DTMF Receiver IC Tester (MT8870). The principle is very simple, very practical. The circuit components can help you understand b...

  • Cable LAN Tester Circuit

    2016-01-21 00:19:26102

    Here iscable LAN testercircuit. The cable LAN tester circuit can also to test cable on telephone, coaxial cable, Lan cable and other. This cable LAN te...

  • Frequency Divider For Measurements Circuit

    2016-01-20 23:26:49101

    This circuit is meant to be driven by a 1-MHz standard signal of a few volts amplitude. Ul through U5 are 7490 decade counter/divider and produce a div...

  • How to build Mosfet TESTER

    2016-01-20 23:26:1466

    Description This is a variation on the astable multivibrator. Circuit was recently developed to test for N-mosfets(the power kind e.g irf830)I don’t ...

  • Humidity tester

    2016-01-20 22:45:3962

    Description. Avariety of humidity tester circuits are available, but this? is a circuit which is as simple as possible. Using only a transistor, LED an...

  • Battery Tester and pinball

    2016-01-20 21:17:2765

    This article is the interpretation of the battery meter principle of pinball machines. Please note that if your battery 4.21 v or when new and then all...

  • Audible Transistor Tester

    2016-01-20 20:55:5369

    All types of transistors including Darlington and power will be tested in this project. Connect the 9v battery around the other way at points A and B t...

  • Internal Resistance Tester For Batteries(1N4004)

    2016-01-20 19:23:5670

    This article describes the Internal Resistance Tester For Batteries (1N4004). The principle is very simple, very practical. The circuit components can ...

  • Latest Discovery

    2016-01-20 17:16:2963

    Microlattice Material When it comes to light weight materials, the first thing that comes to our mind is Thermocol. Since its discovery in the year 194...

  • Cat.5 Network Tester

    2016-01-20 15:23:2267

    This article briefly describes the Cat.5 Network Tester. Although this circuit is very easy to understand, but also very practical. Circuit elements in...

  • Adjustable audible continuity tester

    2016-01-20 15:18:0166

    The tester gives an audible indication, making it unnecessary for the user to look directly at the instrument to observe a meter reading. In addition, ...

  • Logic probe tester

    2016-01-20 15:13:0967

    Logic testers are simple but very helpful devices in testing digital circuits. A logic probe can be designed in many different ways. In this particular...

  • Scr-tester

    2016-01-20 15:11:0170

    The DUT`s(Device Under Test) cathode, anode, and gate are connected to the unit`s K, A, and G terminals, respectively. Pressing switch ?·Sl feeds a ga...

  • Easy way to measure motor torque

    2016-01-20 12:21:50201

    Motor torque (momentum) is one of motor ratings which is used to indicate motor rotary force produced on its output shaft. Motor torque rating is usual...

  • Said Zener diode test principle diagram

    2016-01-20 11:10:2767

    Next is the Zener diode test principle diagram says. The most effective way is to grasp the principle of combining schematic view text, combined with t...

  • Three-State Continuity Tester(LM324)

    2016-01-20 10:24:2487

    This article describes the Three-State Continuity Tester (LM324). The principle is very simple, very practical. The circuit components can help you und...

  • LAN Tester circuit diagram

    2016-01-20 09:58:5768

    ThisLAN tester circuitoriginally designed by Vassilis Stergiopoulos. This LAN tester circuit optionally has two designs. The first design is built base...

  • Capacitor Esr Measurer

    2016-01-20 09:40:5675

    The equivalent series resistance (ESR) of a capacitor can be measured using this circuit and an ac voltmeter. Ul fun ctions as a 50-kHz square-wave gen...

  • Measure the distance by bicycle

    2016-01-20 09:25:3261

    Operation of the circuit. Wreath switch S1 to detect the magnetic field. By S1 on the circuit.When a magnetic force drew near.When the magnetic field o...

  • Mosfet Tester

    2016-01-20 09:14:5066

    This circuit included in the category astable multivibrator. This circuit is used to test? N-Mosfets (the power kind e.g irf830), whether it works or n...

  • Ultrasound transducers for measuring distance

    2016-01-20 09:09:2563

    Ultrasounds transducers for measuring distances are commonly used in robotics, automotive parking sonars. Ultrasound distance measuring is non -contact...

  • Low-current-measurement-system

    2016-01-20 05:46:5665

    This circuit uses a CA018 BiMOS op amp. Low current, supplied at input potential as power supply to load resistor RL, is increased by R2/R1, when load ...

  • Inductance measuring adapter for multimeter

    2016-01-20 05:18:49348

    For those of us without an actual inductance meter, this project is an easy-to-build way to use an ordinary multimeter (digital or analog) to measure t...

  • Crystal Tester using 1N4148

    2016-01-20 02:18:1569

    A crystal tester circuit is very simple, it contains only oscillator and detector inside. This crystal tester circuit uses one transistor for the oscil...

  • Mosfet Tester CIRCUIT (C9014)

    2016-01-20 02:02:44164

    This circuit included in the category astable multivibrator. This circuit is used to test? N-Mosfets (the power kind e.g irf830), whether it works or n...

  • X-tal tester circuit

    2016-01-19 23:21:3465

    Here is X-tal test analog circuit. thisX-tal testerciruit to build for test x-tal. The frequency tuned by inserting placed of x-tal tester . above theB...

  • How to build Battery Tester Circuit Schematic

    2016-01-19 23:05:5268

    Description Is the battery empty, or is there something wrong with the device? That’s always a difficult question when your walkman or some other bat...

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