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  • Simple 9V Wireless Microphone FM Transmitter

    2015-01-12 09:52:41237

    This FM transmitter circuit can be used as a wireless microphone,? can be received by an ordinary 88- to 108-MHz FM broadcast receiver. For the power s...

  • A simple introduction dfp compatible mdr 20

    2015-01-12 09:37:5577

    This article is a simple introduction dfp compatible mdr 20. This article is only a brief discussion, welcome to express their views. Theconnectoris a ...

  • Simple Mini Alarm Circuit

    2015-01-12 09:34:5480

    Here is very simple alarm circuit. This novel buzzer circuit uses a relay in series with a small audio transformer and speaker. When the switch is pres...

  • Simple Cheap Dark-Detecting LED Circuit (CR2032)

    2015-01-12 09:16:0793

    This article describes the Simple Cheap Dark-Detecting LED Circuit (CR2032). The content is very simple, very helpful. Components in this article can h...

  • Simple Guide for Making the Electric Circuit Board

    2015-01-12 09:11:3771

    In able to deal with this project, you may acquire some knowledge on the AutoCAD (Don't worry, is only require the simple AutoCAD programming). The Inf...

  • Simple Amplified Field Strength Meter Circuit

    2015-01-12 09:02:5980

    This circuit uses a FET as a dc amplifier in a bridge circuit. R4 is set for meter null with J1 short circuited. Any surplus 50-mA meter can serve in t...

  • How to build Simple DC motor PWM speed control

    2015-01-12 08:43:5278

    The 555 is ubiquitous and can be used as simple PWM speed control Circuit diagram Circuit Explaination: The 555 Ic is wired as an astable and the frequ...

  • How to build Simple Short-Wave Transmitter

    2015-01-12 08:42:4883

    Description This low-cost short-wave transmitter is tunable from 10 to 15 MHz with the help of ?J gang condenser VC1, which determines the carrier freq...

  • Simple Voltage Indicator by LED and Zener diode (CA3130T)

    2015-01-12 08:35:4190

    This article describes the Simple Voltage Indicator by LED and Zener diode (CA3130T). The content is very simple, very helpful. Components in this arti...

  • Simple 5V power supply for digital circuits

    2015-01-12 08:19:1583

    The capacitors must have enough high voltage rating to safely handlethe input voltage feed to circuit. The circuit is very easy to build forexample int...

  • Simple LED flasher

    2015-01-12 06:59:1795

    Circuit : Evin Devore Notes: This two LED flasher circuit uses any DC supply from 3V to 12V. Flash rate is controlledby R1,C1 and R2,C2. Larger values ...

  • Simple Wideband SWR Meter

    2015-01-12 06:35:06105

    This is a circuit of Wideband SWR Meter. This circuit is used as a test instrument. To use this circuit, connect the meter, take the necessary readings...

  • Simple high-volt supply

    2015-01-12 06:32:0891

    A light dimmer, a 1 ?μf capacitor and a 12 V car ignition coil form the simple line powered HV generator. The current in the dimmer is shown in Fig. B...

  • Simple and Cheap LED Flashing Circuit

    2015-01-12 06:28:3385

    This is an simple and cheapLED flashing circuit.This circuit work for at lease 10V-13V power supply. More Circuits: TIP122 CircuitL7805CV CircuitRFP450...

  • Simple LDR Light Alarm

    2015-01-12 06:15:0682

    This is a light alarm circuit. This circuit uses Light dependent resistor (LDR). When there is no light fall on the LDR, the transistor driving the spe...

  • Simple power supply CIRCUIT (BUZ350)

    2015-01-12 05:43:59122

    This article describes the Simple power supply CIRCUIT (BUZ350). The principle is very simple, very practical. The circuit components can help you unde...

  • Simple-tesla-coil

    2015-01-12 05:40:5094

    The Tesla coil described here can.generate 25,000 V. So, even though the output current is low, be very careful! The main component is a flyback transf...

  • Simple Inverting Amplifier USing LM101

    2015-01-12 05:32:00124

    This circuit is a simple inverting amplifier, the circuit gives closed-loop gain of R2/R1 when this ratio is small compared with the amplifier open-loo...

  • Simple Ripple Suppressor

    2015-01-12 05:19:28177

    This circuit, at times called a capacitance multiplier, is useful for suppression of power-supply ripple. CI provi des filtering that is equal to a cap...

  • Simple water detector circuit

    2015-01-12 05:06:03101

    This simple water detector circuit uses alternative voltage in order to prevent the corrosion of the electrodes. It is easy to build and uses N1 as a t...

  • Simple SWR Meter Bridge

    2015-01-12 04:57:05554

    Standing wave ratio(SWR) is a ratio of amplitude of partial standing wave at maximum to amplitude at minimum. Using a Simple Swr Bridge circuit, a SWR ...

  • simple FSK Demodulator

    2015-01-12 04:51:0887

    Here is application of the 565 PLL is as a FSK demodulator. In the 565 PLL the frequency shift is usually accomplished by driving a VCO with the binary...

  • Simple laser transmitter/receiver circuit diagram

    2015-01-12 04:46:10102

    This article said is a simple laser transmitter/receiver circuit diagram. The principle is simple and very practical. Want more thoroughly grasp the pr...

  • Simple Metal Detector circuit diagram

    2015-01-12 04:07:25123

    This is a very simple and easy build metal detector circuit, built based on a CS209A IC. The circuit will give surprising results and draws extremely s...

  • Simple universal microphone preamplifier

    2015-01-12 03:33:5779

    Microphone preamplifier is a circuit that stands between microphone and stereo amplifier. You just need to connect microphone to circuit input while ou...

  • Simple Telephone Security Device

    2015-01-12 03:18:2177

    Figure 1 In the market, there are several types of telephone security devices which are generally simple but not cheap. On the other hand most of them ...

  • Simple Battery Level Indicator circuit diagram

    2015-01-12 03:09:52102

    Here the circuit diagram of simple and easy made battery level indicator. In general, in mobile phones, the battery levels is displayed in dot or bar s...

  • Simple Gas Leak Detector Circuit

    2015-01-12 02:55:3997

    Here is the gasleakagecircuituses the SEN-1327 gassensormodule. Its output goes high when the gas level reaches or exceeds certain point. Interfacing w...

  • Simple RS-232 serial port buffer circuit (BC327)

    2015-01-12 02:37:4472

    This article describes the Simple RS-232 serial port buffer circuit (BC327). The principle is very simple, very practical. The circuit components can h...

  • Simple 3V adjustable Car adapter (LM317)

    2015-01-12 02:15:49395

    This article describes the Simple 3V adjustable Car adapter (LM317). The content is very simple, very helpful. Components in this article can help you ...

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