- 10 GHz CW Radar based on a X-band Gunnplexer
- 12 Volt Toilet Tank Refiller
- 1uS light pulse descriminator plus F to V converter (PDF)
- 1uS light pulse receiver plus post amp (MISC)
- 2D3 Nixie clock schematic using Atmel microcontroller
- 6 Pole ElectroMagnet Motor (aka Simple Brushless motor)
- 741 Light Sensor
- A small collection of quick to build electronic circuit designs
- A Two-Way Morse Practice Set
- Air flow detector
- Air flow detector using an incandescent lamp to detect airflow
- Amateur weather station to APRS interface ALWXI-01
- Analog computer
- Analog opto-isolator
- Analog pulse counter
- APRS system for GPS tracking
- Assorted digital circuits
- Aurora Alarm: Automated Detection System for the Northern Lights
- Barry's Coilgun Mark I circuit diagrams
- Barry's Coilgun Mark II circuit diagrans
- Barry's Coilgun Mark III circuit diagrans
- Barry's Coilgun Mark IV circuit diagrans
- Barry's magnetic levitation project
- Basement doorbell beeper (PDF)
- Basic Homebuilt Discrete DTL gate circuits (Diode Transistor Logic)
- Basic opamp circuits
- Bat detector
- BayComm packet modem
- Beat Balance Metal Detector
- Biasing Op-Amps into Class A
- Big Ear Stereo Parabolic Microphone
- Black Light
- Bleeper box for time reference
- Broadband 2MHz optical fiber receiver (PDF)
- Broadband 5MHz optical fiber receiver (PDF)
- Build logic gates using discrete parts
- Build your own UFO Bino-Scope unit - upgrade binoculars to become a photosensitive bino-scope
- Build Your Own Video-Rate 2-photon Microscope
- Building a Hardware Random Bit Generator
- Capacitance to Voltage conversion
- Capacitive Sensor
- Cat or Dog Detector - can be used to control entry on a Cat or Dog Door
- Chaos generator
- Circuit diagram for Coilgun Pistol Pskov 1100
- Circuit diagrams for making logic gates from discrete components
- Circuit for driving a liquid crystal (LCD) shutter to simply pass or block light
- Circuit for gold wafer card
- Circuit for temperature stabilization of a MTP3055E MOSFET
- CMOS based electric fence design
- CMOS Logic Experiments
- Coil Coupled Operation Metal Detector
- Color sensor circuit
- Computerize Your Room/Home
- Count Accumulator for Radiation Levels (CARL)
- CW Tone Keyer
- Dekatron circuit diagram - device used for dividing by 10 during the valve era
- Delayed shutter control for Kodak DC-20
- Digg Button Kit
- Digital Call Sign Annunciator
- Digital Radar Speedometer
- Digital Remote Thermometer
- Dinsmore 1490 digital compass
- DIY 3-axis CNC milling device
- DIY Plasma Globe using an automotive ignition coil
- DIY Tesla coil - DC Powered with Plasma Output
- Doorbell for the Deaf
- Driving N-channel FETs from TTL
- Easy Morse Code Keyer Circuit
- Electric field disturbance monitor
- Electromagnetic field detector
- Electromagnetic Field Probe with Meter Output using an LF351 opamp
- Electronic canary doorbell
- Electronic dazer
- Electronic inclinometer ("clino"), a surveying device
- Fantastic Atom Expander
- FCTS Project
- FET based metal detector using MPF102 / J310 BF998 FETs
- Fish caller circuit
- Fluid level detector
- FM Morse Code Keyer
- Fogger smoke machine controller
- Full-duplex doorphone with 3 wires connection
- G Strain energy absorber
- Garmin Foretrex 101,201, Forerunner 101,201 to Serial DB9 cable schematic pinout
- Garmin GPS data interconnect
- Geiger counter
- Geomagnetic field detector
- GoldPic 3 Pulse Induction Metal Detector (has electronic kit available)
- GPS receiver support kit
- Hacking the Hot Wheels Radar Gun - includes circuit of analog front end
- High Quality Intercom
- High Speed ISO9141 Interface using Motorola MC33290D ISO driver IC
- High voltage stun gun
- High voltage zappers
- High-speed 75MHz light receiver (PDF)
- Home-Built Magnetic Levitator
- How to Make a Roomba Serial Interface
- Hydrogen Generator, PWM Circuit
- Induced voltage sensor delta-peak trigger for coilgun
- Induction receiver for tracing wiring behind walls, hearing lightning and other electric discharges
- Inexpensive APRS Weather Station
- Inexpensive seismometer project
- Insect Repellant
- Insect Repellant (22KHz audio oscillator)
- Intercom schematic
- Interesesting circuits using diodes ideal for education or introductory courses on electronics
- Ion detector
- Jacob's Ladder
- Jacob's Ladder
- Kenwood TH-D7 NMEA GPS bug fix
- Laboratory Control System for Cold Atom Experiments
- Lazer Tag Equipment Modifications
- Lie detector
- Light Activated Detector Circuit (LM393/LM555)
- Lightning Detector
- Lightning detector circuit diagram
- LNS Technologies Levitator Kit circuit diagram
- Lost keys finder using HCF4069
- Low Voltage Alarm
- Low-power optical interrupter (PDF)
- Magnetic Gun.
- Magnetic levitation device
- Magnetic levitation project from Electronics Now, February 1996
- Magnetic levitation project from Popular Electronics, May 1966
- Magnetic levitation project from Popular Electronics, May 1989
- Mains Remote-Alert - Remotely operates beeper and/or a LED via mains supply line
- Metal detector Mk1 - find hidden treasure at the beach
- Metal detector Mk2 - More sophisticated 5 transistor metal detector (BC547, BC557, BC338)
- Mini efficient magnetic coil launcher from disposable camera flash
- Miniature magnetic gun (rail gun)
- Miscellaneous 741 opamp schematics
- Miscellaneous Circuits for Idea Purposes
- Miscellaneous simple circuits
- Mobile APRS / GPS tracking system
- Modifications for CDV700 Geiger Counter
- Modulated light receiver circuit (PDF)
- Monitor output from Motorola Oncore GPS engine in HP Z3801A in GPS Disciplined Oscillator
- Morse Code Beacon Keyer
- Morse code display
- Morse Code Practice Keyer 1
- Morse Code Practice Keyer 2
- Morse monitor
- Morse paddle keyer
- Navigator 555A radio direction finder (RDF) circuit diagram
- Negative Ion Detector
- Negative Ion Generator
- Nocturnal Animals Whisker
- Nokia 3310 Lcd Thermometer using DS18B20
- omentary High Voltage Arc Circuit - can be used to Ignite a barbeque or a Gas in a Potato Gun
- Op-amp circuits for detectors, filtering, and power applications including photodiodes (PDF)
- Open loop pulse trigger module for coilgun
- Optical speed trap to measure the the velocity of the projectile
- Optical trigger module for coilgun
- PASCO scientific model SF-9211 stroboscope schematic (PDF)
- Photo sensor application note showing photodiode and phototransistor circuits
- Photodiode primer and interface circuit diagrams including photovoltaic and photoconductive modes
- Plant Watering Watcher (moisture meter)
- Popular Electronics Ultrasound Detector
- Power MOSFET module for coilgun
- Powerful stun gun / taser circuit diagram
- Project for experimenting with magnetic levitation
- Pulse width modulators (PWM)
- Pulse width to voltage converter
- Rain Detector
- Random noise generator
- Scaling ADXL50 accelerometer output
- Seismic detector interfaces to datalogger
- Select of interesting electronic circuits that require only a single transistor ideal for education
- Selection of run circuits to experiment with the 4017 CMOS decade counter chip
- SIM card reader circuit diagram
- Simple BFO metal detector using 2N3906 and 2N3904 transistors
- Simple DTMF Repeater Controller using PIC16F84
- Simple electronic keyer
- Simple Frequency Reader for conversion VFOs
- Simple Lie Detector
- Simple metal detector circuit using BC547
- Simple moisture indicator
- Simple nitrogen spark generator (PDF)
- Single chip metal detecor with a range of a few inches based on CS209A
- Small selection of useful circuits
- Solid state tesla coil
- Solid State Tesla Coil and Wireless Power
- Sony RS-422 ADAT sync cable pinout
- Sound finding cricket
- Sound finding cricket with phase detector
- Spy circuits
- Static Electricity / Negative Ion Detector
- Stroboscope
- Stun gun / taser circuit diagrams
- Suddent ionospheric disturbance (SID) receiver
- Switch debouncer circuits including transistor, CMOS logic and a 555 timer based design
- Tesla coil
- Tesla coil
- Tesla power receiver
- Texas Instruments collection of buffer op-amp circuits for ADC
- Texas Instruments collection of differential op-amp circuits (PDF)
- Three stage induced voltage triggered coilgun
- Thyristor fired coilgun circuit diagram
- Time to dust indicator - battery powered dust indicator (PDF)
- Touch activated switch using CD4011 CMOS NAND gate
- Touch switch using transistors
- Touch switches
- Transresistance photodiode amplifier that behaves as a current-to-voltage converter
- Two-component metal detector using a 4093
- Two-tone doorbell using 555 timer
- u-Blox GPS receiver board
- Ultra Low Power LCD Indicator
- Ultrasonic dog whistle
- Ultrasonic Pest Repeller
- UltraSonic Radar
- Ultrasonic sonar unit using MAX232 to drive ultrasonic transducer
- Ultrasonic sound detector / sniffer
- Ultrasonic switch
- Ultrasonic transducer oscillator circuit
- Ultrasound detector
- UV light box
- Vareity of circuits for interfacing to/from TTL logic
- Variety of applications using a CMOS 4001 2-input NOR gate including a PCB layout
- Very basic circuits
- Visible and Infrared Light Detectors
- Voice activated switch (VOX) circuit diagram
- Voltage Comparator Information And Circuits
- Waveform conversion
- Weather station with pressure reading, relative humidity, indoor & remote temperature reading
About Me
- B.Tech Live projects for ECE,EEE,EIE,ICE
- This site will be verymuch useful for students studying electronics,Electrical,Instrumentation engineering. The site showcases many links from around the web with good stuff related to electronics. Electronics hobbyists can find this a good place to start.Many simple circuits that you can build from scratch available on this site.Engineering Students of JNTU,AU,KU,OU,SRM,NU can be benifitted with this resource. Any concerns please email me technokishore@gmail.com
Electronics study & Lab projects
Posted By B.Tech Live projects for ECE,EEE,EIE,ICE
Sunday, April 4, 2010
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Polite Notice
B.tech Live projects is the platform for everyone who are studying Electronics Engineering. Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. Also note that some of the circuits are illegal to operate in most countries, please check your local regulatory bodies if concerned. Other circuits are dangerous to construct and should not be attempted by the inexperienced.
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