Simple Metal Detector Circuit with Applications

A simple metal detector circuit diagram project is designed using IC 555 as you can see in the 555 timer circuits these circuits detect the metals and magnets When a magnet is near to the 10mH choke the o p frequency changes This circuit can be powered from a power supply which can provide an o p DC voltage between 6V to 12V

The Four And More Basic Parts of an Electrical Circuit

When you switch on a light you probably don t think about what goes on to make the light actually light up In order for the light to well light the four basic parts of an electrical circuit must be in place to provide the power needed to produce light or to power another type of electrical device

Circuits Projects Instructables

Welcome to the world s most awesome playground for all things making Learn from the largest collection of how to step by step projects anywhere

Scrapping a Satellite Dish For Steel Aluminum and GOLD

Oct 25 2013 · Scrapping a Satellite Dish For Steel Aluminum and GOLD Moose Scrapper Scrapping a Satellite Dish for GOLD How to Depopulate Small Circuit Boards with a Hot Sand Bath Part 1 Gold

How to Build a Cheap Antenna Tuner for a Ham Radio Our

A great thing about ham radio is that you can spend literally as much or as little as you can afford and still enjoy the hobby In fact you will likely enjoy it more by building your own simple equipment and then making contacts with it An inexpensive way to begin is to build your own antenna tuner An L network


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How to Make a Balun or Unun 3 Steps Instructables

How to Make a Balun or Unun I needed a simple portable HF antenna A long wire and some insulators is pretty easy to carry To connect it to the radio I needed a Balun These are such simple things but yet they cost so much from some places I decided to make

How to Build and Tune an AM Radio 5 Steps

How to Build and Tune an AM Radio Introduction and Motivation The purpose of this Instructable is to demonstrate how to design and build a resonator circuit that will let us tune to a given AM radio frequency We will also briefly discuss how radio frequencies are transmitted

Ferrite Rod Antenna Ferrite Bar Aerial Electronics Notes

The ferrite rod aerial or ferrite bar antenna is a form of RF antenna that is almost universally used in portable transistor broadcast receivers as well as many hi fi tuners where reception on the long medium and possibly the short wave bands is required

How do antennas and transmitters work Explain that Stuff

Apr 21 2019 · The antenna s job is to pick up enough energy from passing radio waves to make the circuit resonate at just the right frequency AM and FM antennas the long and short of it Photo The AM loopstick antenna inside a typical transistor radio is very compact and highly directional

Antenna Amplifiers Circuits and Projects

Antenna Amplifiers Circuits and Projects 12 Browse through a total of 12 antenna amplifiers electronic circuits and diagrams TV Antenna Amplifier Circuit P Marian 01 10 2010 A very simple and cheap tv antenna amplifier circuit built with BF961 a N–Channel Dual Gate MOS common Wideband UHF Amplifier – Antenna TV Amplifier Circuit

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Adafruit Industries Unique fun DIY electronics and kits Tools Gift Certificates Arduino Cables Sensors LEDs Books Breakout Boards Power EL Wire Tape Panel Components Parts LCDs Displays Wearables Prototyping Raspberry Pi Wireless Young Engineers 3D NeoPixels Kits Projects Robotics CNC Accessories Cosplay Costuming Halloween Reseller and School Packs

Online circuit simulator schematic editor CircuitLab

CircuitLab provides online in browser tools for schematic capture and circuit simulation These tools allow students hobbyists and professional engineers to design and analyze analog and digital systems before ever building a prototype

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Make a Digital TV Coat Hanger Antenna Make

Dec 18 2012 · Build your own digital TV antenna from wire hangers a piece of wood and some pipe Time Required 2 to 6 hours Difficulty Easy Print this Project Facebook Messenger Television antennas are comprised of a series of metal rods cut to exact lengths and positioned so they receive a particular television frequency The following design was

TV Antennas View All Television Antennas Channel Master

Outdoor Antennas Channel Master s Outdoor antennas are designed for instances of special needs such as long range reception the ability to receive signals from two different cities the addition of low VHF reception Shop Outdoor View All Antennas Ultra thin flexible black white indoor antenna with 35 to 50 mile reception range

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How to Build and Tune an AM Radio 5 Steps Instructables

How to Build and Tune an AM Radio Introduction and Motivation The purpose of this Instructable is to demonstrate how to design and build a resonator circuit that will let us tune to a given AM radio frequency We will also briefly discuss how radio frequencies are transmitted

Base CB Antennas Copper Electronics

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Induction Balance Gold Metal Detector Circuit under Metal

This circuit is under sens detectors metal detector circuits Induction Balance Gold Metal Detector Circuit l60669 This circuit really is the simplest inducer balancing metal detector IB Inductlon Balance that can be built The LB metal detection method has a satisfactory depth of penetration and good

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An Introduction to Antenna Basics All About Circuits

Aug 24 2016 · Antennas are used to transmit and receive information through changes in the electromagnetic fields that surround them This article is a primer on antenna theory An Abridged History of Electromagnetism Over 2600 years ago and likely

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Materials Make the Difference in Low PIM PCB Antennas

Materials Materials Make the Difference in Low PIM PCB Antennas Certain characteristics of circuit materials can indicate whether a material will contribute to higher or lower levels of PIM for a printed circuit RF microwave antenna

Make VHF UHF TV Antenna Aerial Booster Preamplifier

Jul 17 2014 · you can make simple and cheap VHF UHF TV antenna aerial booster amplifier with MMIC fairly well known MAR X series made by Mini Circuits unfortunately I

Antenna radio Wikipedia

In radio engineering an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors used with a transmitter or receiver In transmission a radio transmitter supplies an electric current to the antenna s terminals and the antenna radiates the energy from the current as electromagnetic waves radio waves

Homemade GPS Receiver

The motivation was simplicity avoiding a second conversion In practice the circuit is stable so the gamble paid off Active decoupler Q1 supplies 5V for the remote LNA MMIC amplifier U2 provides 20 dB gain not at IF and ensures low overall system noise figure even if long antenna cables are used

Two transistor AM radio receiver circuit

Although the circuit is very simple it functions very well without external antenna or ground connection The transistor T1 works as a feedback regulated HF amplifier and function as demodulator at the same time The sensitivity of the receiver is dependent on the amount of feedback and can be adjusted by P1 Transistor radio circuit schematic

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Apr 8 2019 Explore dmwcad9230 s board quotCIRCUIT quot on Pinterest See more ideas about Ham radio antenna Circuit and Electronics projects

Dipole Antenna or Dipole Aerial Electronics Notes

Multiple half waves dipole antenna Although the half wave dipole antenna is the most popular it is possible to use a dipole antenna or aerial that is an odd multiple of half wavelengths long The radiation pattern is very different but it still operates effectively in this mode Folded dipole antenna As the name implies this form of the dipole aerial or dipole antenna is folded back on itself

Homemade Cellular Phone Signal Boosters LoveToKnow

Make a Coffee Can Booster The people at PopSci discovered an interesting signal booster solution that uses a metal coffee can Your phone must have an external antenna port for this to work Newer smartphones may not have this port Get two empty metal coffee cans approximately 13 ounces 384 milliliters in size

Circuit Board Parts The Most Comprehensive Introduction

At the top the antenna and antenna point sit apart from the rest of the circuit Below the antenna point you will find the transmitter and receiver circuits Notable components in this area are Antenna switch Located just below the antenna point the switch has metallic and non metal parts with 16 points or legs

Radio frequency RF circuit diagrams also see RF Amplifier

Radio frequency RF circuit diagrams also see RF Amplifier and Transmitter circuit diagrams Note that all these links are external and we cannot provide support on the circuits

How To Make the BEST AM FM Antenna EASY DIY Cheap

Nov 25 2018 · Video walk through with directions for an easy to build AM FM antenna A simple antenna design I found on the internet once you find the

How to Make a Wifi Antenna with Pictures wikiHow

Oct 15 2019 · How to Make a Wifi Antenna Have you lost your WiFi antenna Most antennas can be removed from WiFi cards making them easy to lose With a few supplies you can make an effective replacement antenna that can get you by until you

How to Build a radar from cheap satellite Gadget Hacks

Radar has made much of modern life possible and if you re into building your own electronics building one is a fun and useful project Watch this video for instructions on how to build your own simple radar out of cheap spare parts from a satellite dish or a toy radar gun

How to Make a HDTV Antenna 8 Steps with Pictures wikiHow

Jan 15 2020 · Using a HDTV High Definition Television antenna based on the DB4 design is 1 of the most effective ways to retrieve HDTV signals Purchasing this type of antenna at a store will cost you at least 40 However you can build such an antenna yourself at a much lower cost The following is a guide on how to make a HDTV antenna
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