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  • Ultrasonic Dog Repeller Circuit

    This ultrasonic dog repeller circuit will chase away angry dogs. It is build with the all known 555 circuit, a buzzer and a little ferrite transformator. The ultrasonic frequency must be set with a dog nearby. Dog Repeller Schematic no 1. Circuit number 1 uses the well known NE555 IC, couple of components and a EE15 ferrite transformer.

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  • Metal Detector Circuit with Diagram and Schematic

    Jul 25, 2018· A simple metal detector circuit diagram and schematic using a single transistor and a radio. This metal detector/sensor project is easy to make and is an application of Colpitts oscillator.

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  • Simple 555 Timer AM Transmitter Schematic for Science Fair ...

    Aug 14, 2013· Here is the circuit diagram and working of a simple DIY AM transmitter based on 555 timer. This is very simple circuit intended to school students for their science fair projects. The 555 operates in astable mode to produce the carrier waves.

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  • 555 AM Transmitter Circuit Series YouTube

    Feb 11, 2010· Although my schematic metioned here is designed for legal nonlicensed broadcasting, If you modify it to do so, make a higher power transmitter or …

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  • 27MHz / 49 MHz Walkie Talkie Electronics DIY

    Lots of people are requesting walkietalkie and RF remote control schematics, so here is some. Building these circuits needs special equipment and expertise in RF circuits. If you are going to experiment with these circuits, please note that I did not build them, and I am not able to help you with any details. If you have no experience in RF, I suggest that you choose the easy way and buy a ...

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  • long range gold detector diagram

    circuit diagram of gold detector pdf Grinding Mill China. The circuit is designed to be low cost. + Chat Online 187; Inquiry Form The Circuit Diagram Long Range Locator Schematic Diagram Of Long Range Gold Detector. the circuit diagram of long range locator of gold Jordan. Get Price Underground Gold Detector Circuit Diagram Crusher Mills

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  • 5 KM FM Transmitter Circuit diagram | Long Range FM ...

    Nov 30, 2017· This is circuit of 5KM Long Range FM Radio Transmitter Circuit. A FM transmitter can cover maximum distance, Here showing a Long Range FM Transmitter Circuit diagram that can cover the distance upto 5 km and with the power of 1 w. Here presenting a small powerful circuit of a FM transmitter which operate with 12v dc.

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  • 2KM Long Range FM Radio Transmitter Circuit Schematic

    Electronic Circuit Diagram > Radio > 2KM Long Range FM Radio Transmitter. 2KM Long Range FM Radio Transmitter. By circuit schematic. 2 Comments. This longrange FM radio transmitter has an additional RF power amplifier stage, after the oscillator stage. The extra RF power amplifier used to strenght up the power output to become 200250 milliwatts.

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  • 27MHz Walkie Talkie Circuit Diagram | Electronic Circuits ...

    Jul 27, 2013· This is a circuit of a Walkie Talkie operating frequency of 27MHz, citizens band or PX. Its operation is simple when the walkietalkie is in the receive mode, the first transistor is configured as a receiver and audio then passes through a volume control and the three transistor amplifier.

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  • Long distance Metal Detector schematic

    Sep 01, 2016· It probably has more to do with the design of the search coil than the actual circuit how far the magnetic field extends around the search coil. While the circuit is important, its probably much less so than the design of the search head if you expect good range.

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  • Long Range FM Transmitter Circuit

    Long Range FM transmitter Circuit The power output of most of these circuits are very low because no power amplifier stages were incorporated. The transmitter circuit described here has an extra RF power amplifier stage, after the oscillator stage, to raise the power output to 200250 milliwatts.

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  • 25 Km Long Range FM Transmitter Electronics DIY

    The proposed long range transmitter circuit really is very steady, harmonic free design which you can use with standard fm frequencies between 88 and 108 MHz. This will likely encompass 5km spectrum (long range). It includes an extremely consistent oscillator for the reason that you employ LM7809 stabilizer that is a 9V stabilized power source for T1 transistor and for frequency realignment ...

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  • Electronic Circuit Schematics

    Apr 12, 2001· Electronic Circuit Schematics. Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. Some circuits would be illegal to operate in most countries and others are dangerous to construct and …

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  • RFID reader integrated circuits and reference designs |

    Our integrated circuits and reference designs will help you develop durable and compact RFID readers with long battery life for extended field use, multiple interface solutions for increased connectivity, and engaging user interface solutions. RFID readers often require: Lowpower RFID chipsets for

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  • Scematic Machine Inside: How To Make Circuit Of Walkie ...

    Sep 27, 2017· Circuit Diagram For Long Range Fm Transmitter How To Make Circuit Of Walkie Talkie Complete With Both Diagram. Have a good day guys, introduce us, we from , we here want to help you find wiring diagrams are you looking for, on this occasion we would like to convey the wiring diagram about How To Make Circuit Of Walkie Talkie Complete With Both Diagram.

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  • Simple Walkie Talkie Circuit | Homemade Circuit Projects

    Jul 26, 2019· The article explains a simple walkie talkie circuit that can be easily built by any hobbyist and used for communicating between rooms or floors or simply for having some fun across neighbors and friends. The range of this system is around 30 meters.

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  • Long range FM transmitter Electronics Circuits Hobby ...

    Jan 08, 2019· Long range FM transmitter Electronics Circuits Hobby. Long range FM transmitter Electronics Circuits Hobby . Visit ... The circuit, shown in the schematic, provides 12 volts, suiram. Solar. What others are saying 12V 10A Switching Power Supply Circuit Diagram See more.

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  • Wiring diagram Info: Long range FM voice Transmitter circuit

    Long range FM voice Transmitter circuit This circuit shows how to build a supersensitive, minipowered FM transmitter consisting of a RF (radio Frequency) oscillator section interfaced with a high sensitivity, wide passband audio amplifier and capacitance mike with a builtin FET (Field Effect Transistor) that modulates the base of the RF ...

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  • FM Transmitter Circuit | Long Range 500m | Weekend ...

    Jun 23, 2018· How to make a simple diy fm transmitter circuit using transistors You, Will, Find Full Project Description All Useful Material Including • Circuit Diagram / Schematic • …

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  • Long Range (10mt) IR Beam Break Detector

    I have questions regarding to your Long range IR beam break detector circuit. I'm using your circuit as my project for my Final year project. I have a little problem with the transmitter. I'm using a regular IR LED. When it transmit, the receiver starts to blinking.

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  • Long Range FM Transmitter Circuit – Circuit Wiring Diagrams

    By varying the diode capacitance the L1 + diodes circuit makes a resonance circuit for T1. You can use transistors like BF199, BF214 but do not use BCs. At this moment you don’t have yet the long range fm transmitter because the power is quite low, no more than mW. How does long range …

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  • long range lozenithor circuit schematic

    Long Range Fm Receiver Circuit Schematics | Wiring Diagram ... Long Range Fm Receiver Circuit Schematics He s a shade under 75 accuracy on the year but most of the misses have been long range attempts in camp circuits he s won just about poellnitz is a sparkplug of a wide receiver who accepted a Research and markets has announced the addition of the quot bosch lrr477ghz long range radar …

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  • Golden Gun Al718 Long Range Locator

    Golden Gun Al718 Long Range Locator. 3101022 14mm 2fl ball long end mill ijeie. 310 1022 14mm 2fl ball x long end mill golden gun al718 long range lozenithor long distance conveyor 2 hand for sale review electroscope long range locator; . Get Price And Support Online; List of James Bond films Wikipedia. The Man with the Golden Gun .

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  • long range gold detector circuit diagram

    long rang detector made usa LongRange device developed to detect gold nuggets and treasure gold , after many efforts Manufactured and developed to be the first in the world to discover raw and artificial gold, caves Made in USA, Terra Gold LR 100 is an innovative long range detector for electronic dowsing However only a single frequency preset selection can be made at a time. longrange ...

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  • Long range AM transmitter. Electronic Circuits and ...

    Description. Here is the circuit diagram of an easy to build long range AM transmitter circuit based on three correct tuning and a matching antenna, the transmitter can deliver signals up to a distance of 2 kilometers. The audio signal to be transmitted is given to the base of the transistor Q1 via the audio driver transformer modulated signal is developed at the ...

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  • Free Wiring Diagram: 500 Km Fm Transmitter Circuit Diagram

    Welcome , the pictures above are wiring diagrams or wire scheme associated with 500 Km Fm Transmitter Circuit have collected these discussions here and presenting it to you.

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  • Metal detector circuit diagrams and projects SatSleuth

    Nov 10, 2009· Metal detector circuit diagrams and projects. Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. Some circuits would be illegal to operate in most countries and others are dangerous to construct and should not be attempted by the inexperienced.

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  • Long Range FM Transmitter

    The final stage of the long range rf transmitter is equiped with any rf power transistor that has at least 1 watt output power. Use transistors like 2N3866, 2N4427, 2N3553, BLX65, KT920A, 2N3375, BLY81, 2SC1970 or 2SC1971 if you want to have a pro fm transmitter with enough power to cover a long range …

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  • Long range fm transmitter circuit,2 km 88108 MHz VHF

    Aug 19, 2019· This is long range fm transmitter circuit in VHF range. As Figure 1 Sonar with up to 2 watts, when used with a supply voltage of about 24V. In the case of applications typically do not want a high transmission. This circuit requires only one power supply 9V Only. If used voltage level of the power supply more than 10V.

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  • Metal detector circuit diagram

    Metal detector circuit diagram,The metal detector is a relatively simple device, an electronic circuit that provides good sensitivity and stability. A distinctive feature of this device is the low operating frequency. Metal detector coil operates at a frequency of 3 kHz.

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  • Long Range/Distance Infrared Transmitter Circuit Schematic

    Here the long range/distance Infrared transmitter circuit, give you extra power for your Infrared transmitter. The majority of the IR remotes do the job reliably within a range of 5 metres. The circuit complexity increases in case you design the IR transmitter for good operation more than a extended distance, for example, 10 metres.

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  • LongRange Cordless Burglar Alarm Circuit and Its Working

    Longrange Cordless Burglar Alarm Circuit. The longrange cordless burglar alarm circuit diagram is shown below which makes use of a CLT(cordless telephone) with a paging facility and a few lowcost discrete components. This circuit is so simple for a beginner as it …

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  • Longrange and local circuits for topdown modulation of ...

    Abstract. Topdown modulation of sensory processing allows the animal to select inputs most relevant to current tasks. We found that the cingulate (Cg) region of the mouse frontal cortex powerfully influences sensory processing in the primary visual cortex (V1) through longrange projections that activate local γaminobutyric acid–ergic (GABAergic) circuits.

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