Complete List Of Electronics Projects Circuit Diagram [PDF]

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LEARNING ELECTRONICS Learn to build electronic circuits Vol. I - DC Vol. II - AC Vol. III - Semiconductors Vol. IV - Digital Vol. V - Reference Vol. VI - Experiments Worksheets Circuits Forum

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Complete List Of Electronics Projects Alarm and Security Drinking Water Alarm Anti-Theft Security For Car Audios Luggage Security System Power Buzzer Infrared Proximity Detector Alarm General-Purpose Alarm Simple Darkness Activated Alarm Model Railway Short-Circuit Beeper Gated Alarm Laser Alarm Low-Cost Low-Intensity Alarm Speed Alarm For Cars Remote Alarm For Smoke Detector Simple 6-Input Alarm Night Alert Simple Knock Alarm With Piezo Sensor Smoke Alarm Battery Life Extender Mains Supply Failure Alarm Bell Alarm Water Alarm Circuit Diagram Midnight Security Light Low Cost Burglar Alarm For Boats Water Level Alert Two-Tone Siren Using One IC Fridge Door Alarm Broken Charger Connection Alarm Fire Alarm Using Thermistor Safety Guard Powerful Security Siren Mini Alarm

Amplifiers Super Simple 3 Watt Audio Power Amplifier Modular Headphone Amplifier High Power Headphone Amplifier Using BD139-40 Dual Power Amplifier Using TDA7293 MOSFET IC Low Cost 2x20 Watt Stereo Amplifier by TDA2005 AF Amplifier With Digital Volume Control Based On TDA8551 11W Stereo/22W Mono Power Amp Using TDA1519C 5.3W Amplifier With Surround System Balanced Microphone Amplifier Headphone Amplifier Using Discrete Components 22W Stereo Amplifier Using TDA1554 Compact DJ Station 10W Audio Amplifier With Bass-Boost Guitar Amplifier Mini Guitar/Bass Amplifier Playback Amplifier For Cassette Deck 1W BTL Audio Amplifier Very Simple Bench Amplifier Boomer Audio Power Amplifier Using LM4906 Condenser Mic Audio Amplifier 60 Watt Guitar Amplifier 60 Watt Bass Amplifier Mini Portable Guitar Amplifier 22 Watt Car Subwoofer Amplifier Hybrid Headphone Amplifier USB Powered Audio Power Amplifier DC-Coupled Audio Amplifier Simple Hybrid Audio Amplifier Compact High-Performance 12V 20W Stereo Amplifier 36 Watt Audio Power Amplifier Using TDA1562Q Studio Series Stereo Headphone Amplifier 45 Watt Class-B Audio Power Amplifier 60 Watt Audio Power Amplifier 18W + 18W Stereo Hi-Fi Audio Amplifier (TDA2030) A Low Power Wireless Audio Power Amplifier 8 Watt Audio Power Amplifier A High Quality Headphone Amplifier 30 Watt Audio Power Amplifier Pure Class-A Headphone Amplifier Stereo Headphone Amplifier 7 Watt Audio Power Amplifier Portable Headphone Amplifier 25 Watt Audio Amplifier 5 Watt Class-A Audio Amplifier 18watt Audio Amplifier Headphone Amplifier 2Watt Audio Amplifier Portable 9v Headphone Amplifier Speech Amplifier

Audio and Music Optimized Semiconductor Noise Source Symmetric Noise Source US-Style Siren Multi-Sound For Guitars General Purpose Oscillator Oscillation Monitor Pan Pot Mini Audio Signal Generator Sounds From The Old West Guitar Control Cheapskate's Headset Adapter Dual Input-Combining Stereo Line Amplifier Steam Whistle Audio Level Threshold Control Multi-Melody Generator With Instrumental Effect IR Music Transmitter and Receiver Multi-tone Siren Sound Source Locator Uses PreChamp Audible Flasher Warning Surf Simulator Circuit Diagram When The Siren Sounds - A Useful Circuit Simple White Noise Generator Balanced-Unbalanced Converter For Audio Work Automatic Loudness Control Cuckoo Sound Generator Cricket Chirping Generator Bells Ring Generator Melody Generator 4 Channel Portable Audio Mixer Music Generator Schematic Using UM66 Laptop Audio-Out Splitter Three Channel Audio Mixer Digital Volume Control Stereo to Mono Converter Based on FET Three Channel Audio Splitter

Automotive Brake Light Signal Module Car Battery Saver Car Boot Lamp Warning (ICM7556) Lambda Probe Readout For Carburetor Tuning Lights On! Rear Light After Glow (For Bicycles) Car Interior Lights Delay Park-Aid Modification Park-Aid Push-Bike Light Speed-Limit Alert Headlight Reminder Automatic Headlight Reminder AFX Slot Car Lap Counter Petrol Gas Switch For A Pajero Car Reversing Horn With Flasher Bicycle Speedometer With Hub Dynamo Rear Fog Lamp For Vintage Cars Central Locking Interface Automatic Windshield Washer Control Simple Headlight Reminders LED Bike Light Fog Lamp Switch Fog Lamp Sensor Flashing-LED Battery-Status Indicator Motor Bike Headlight Controller Car-Bulb Flasher

Battery and Chargers Battery Juicer Li-Ion Battery Charger Lead Acid Battery Charger #1 Lead Acid Battery Charger #2 Deluxe Charge Rate Limiter for Small Capacity NiCad Batteries Electric Window/Fence Charger Versatile Micro-power Battery Protector Battery Equality Monitor 12 Volt Battery Guardian Battery Saver PC-Powered Battery Charger A 12V Car Charger For ASUS Eee Notebook Simple Battery Discharger Using Discrete Components Battery Charger Display Using LT1639 Battery Switch With Low-Dropout Regulator Motorcycle Battery Monitor NiCd Battery Charger Float Charger For NiMH Cells Simple Battery Isolator Simple NiCd Battery Charger NiMH Charger For Up To Six Cells Nicad Charger Uses Voltage Cut-Out Battery Desulphation Progress Monitor Storage Battery Exerciser Switch-less NiCd-NiMH Battery Charger Solar-Powered High Efficiency Battery Charger Low-Voltage Cutout For 12V SLA Batteries Bike Battery Charger Simple Battery Charger - Charges Upto 12 NiCD Cells Solar Battery Protector Prevents excessive Discharge Low Cost Battery Condition Indicator 12V Lead Acid Battery Desulphator High-Current Battery Discharger Solar Panel Based Charger And Small LED Lamp Battery Charger Regulator Low-Power Car/Bike USB Charger Lithium-Polymer Peak Charger In-Car Charger And Switcher For SLA Battery Mobile Phone Travel Charger NiCd Battery Charger With Reverse Polarity Protection NiMh and NiCd Battery Charger USB Powered Mobile Phone Battery Charger 12 Volt Car Battery Charger A Friendly Charger for Mobile Phones Low Cost Universal Battery Charger Mobile Cell phone Battery Charger Mobile Phone and iPod Battery Charger Mobile Phone Battery Charger Dry Cell Battery Charger Using LM741

Boosters Step-Up Booster Powers Eight White LEDs Input Impedance Booster II Input Impedance Booster 10,000x With One Transistor Low-Power Voltage Doubler (Booster) Pump it up: Mp3 Booster Ampere or Current Booster Circuit Bass Booster Circuit Audio Booster

Clock and Timers Flip-Flop Timer Using 4017 Three Hour Timer Isolated 1-Hz Clock Egg Timer Alarm Clock With Day Selector Thrifty 2Hz Clock Experimental Pendulum Clock An Accurate Reaction Timer Switch Timer For Bathroom Light Up/Down Timer For A Power Antenna Pendulum-Controlled Clock Multipurpose Flip-Flop Timer 555 Timer With Variable On/Off Times Building A Synchronous Clock Long Delay Timer Jogging Timer Amplifier Timer One second Audible Clock Car Headlights Timer A Tan Timer A Very Useful Timed Beeper A Bedside Lamp Timer

Computer Related CD-Rom Drive as Digital-Audio CD Player Serial To Parallel Converter Automatic Mains Disconnect Case Modding Processor Fan Control IrDA Interface Home Network for ADSL How To Connect Two Computers Using Modems Monitor Life Extender Digital Isolation up to 100Mbits Speaker-Headphone Switch For Computers Computer Off Switch Hard Disk Switch USB Fuse USB Power Socket With Indicator USB Switch For Printers Laptop Protector USB Operated Home Appliances USB Printer Share Switch USB Power Injector For External Hard Drives

Filters and Oscillators Baud Rate Generator Comparator Based Crystal Oscillator HQ Notch Filter Without Close-Tolerance Components Simple Function Generator Very Low Power 32kHz Oscillator Voice Bandwidth Filter

Health and Hobby ECG Amplifier By TLC274 Railway Points Sequencer Pulse Rate Monitor Pills Reminder Quick Counter For Young Children LED Noughts And Crosses LED Chaser Provides Three Game Functions Low-Cost Dual Digital Dice Soldering Iron Tip Preserver Gym Agility: A Simple Strategy Game Heart Rate Monitor Call Acknowledged ! Model Railway Turnout Control Transcutaneous Electrical Nerve Stimulator (TENS) Tablet Reminder Uses Watch Module 123 Game - All MCU-free Dicing With LED's Cranial Electrotherapy Stimulator Pulse Generator And Signal Tracer Whistle Responder Sleeping Aid Digital Step-Km Counter

Home and Garden Remote-Controlled Fan Regulator Laser-Guided Door Opener Automatic Room Power Control Water Level Indicator Using 7-Segment Display Rainwater Storage Gauge Cat and Dog Repeller Inexpensive Remote Watering System You Have Mail! Whistling Kettle Doorbell Cascade Gentle Breeze Automatic Range Hood 12V Fan Directly on 220V AC Environmentally-friendly Mosquito Repeller Doorbell Memory Fridge-Door Open Alarm Automatic Water Tank Filler Digital Remote Thermometer Plant Watering Watcher Salt Taster Fridge Door Alarm Schematic 2nd Version Room Noise Detector Water Level Alert Heating System Thermostat

Indicators Fastest Finger First Indicator Digital Main Voltage Indicator Mains/Fuse Failure Indicator Modem Off Indicator LED Bar Off Indicator Supply Voltage Indicator Fuse Monitor Audio Clipping Indicator Battery-Charging Indicator For Mains Adaptor Telephone In-Use Indicator Battery Self Discharge Indicator Two-LED Voltage Indicator Blinker Indicator Yes-No Indicator Has Zero Standby Current Low Battery Indicator II Low Battery Indicator I Maximum Minimum Voltage Indicator Clipping Indicator For Audio Amplifiers Mains Indicator Earth Fault Indicator Blown Fuse Indicator Battery Indicator For The Caravan 110 and 220V AC LED Voltage Indicator Water Level Indicator DC or AC Voltage Indicator Battery Voltage Indicator Peak Indicator Audio Indicator Using LM741

IR (Infra-Red) Simple Remote Control Tester Simple Infrared Remote Control Extender Infra-Red Sensor/Monitor Infra-red Light Barrier Using 555 RC5 Repeater Light Gate With Counter Using 555 And 4033 IR–S/PDIF Transmitter IR–S/PDIF Receiver IR Remote Control Receiver Infra-red Receiver Simple Infrared Control Extender Direction Sensitive Light Barrier Infrared Remote Receiver Has Four Outputs RC (Remote Control) Switch Infrared Remote Extender Infrared Fire-Cracker Igniter Long-Range IR Transmitter On-off Infrared Remote Control TV Muter IR (Infrared) Detector Beam-break Detector For Camera Shutter or Flash Control Remote Operated Home Appliances Wireless On-Off Switch Active High Pass Filter Using LM741

Inverters and Converters 500W Low Cost 12V to 220V Inverter UPS For Cordless Telephones Discrete Voltage Inverter Voltage Inverter Using Switch-Mode Regulator 4-Bit Analogue to Digital Converter 12V Fluorescent Lamp Inverter Cheap 12V to 220V Inverter Inverter For Soldering Iron 100W Inverter

Lights and LEDs White LED Lamp 12 Volt DC Fluorescent Lamp Driver Fine Control Super Bright LED Pulser Bar-Mode Lights Sequencer LED–LDR Blinker Magic Lights Picnic Lamp High-Intensity, Energy-Efficient LED Light Soft Start For Torch - Increases The Life Of Torch Bulbs Two-Position Dimmer 220V AC Powered Blinking LED EL Lamp Driver Using HV832MG Vehicle Interior Lighting With Switch-Off Delay LED Flasher Reflector For Pedestrians Mains Powered White LED Lamp Luxury Car Interior Light Multi-Color LED Automatic Light Dimmer 6-Channel Running Light LED Lighting For Consumer Unit Cupboard Light From Flat Batteries Flickering Light II 30mA LED Dimmer Backup Lamp Dimmer With A MOS-FET 1W LED Driver UV Torch Light LED Light Pen Irregular Flasher Bluish Flasher Novel White LED Torch 12V Halogen Dimmer Automotive LED Timing Light Economical Desk Lamp For Camping El-Cheapo Fluoro Ballast Exit Sign With Battery Protection Stroboscope Uses White LEDs Courtesy Light Extender Model Theatre Lighting Dimmer Using AC for LED Christmas Lights LED Lighting For Dual-Filament Lamps Constant Current LED Drive Automatic White-LED Garden Light Interactive Toy Traffic Lights Traffic Lights For Model Cars Or Model Railways Neon Flasher Runs From 3V Supply LED Torch Uses Blocking Oscillator Grand Prix Starting Lights Halogen Lamp Dimmer With Soft Start Thrifty LED Protector Driver For 20 LEDs Multicolor HD LED Automatic Light Controller Using 7806 LED Phototherapy Unit Using LED As A Light Sensor Slave Flash Trigger Ultra Bright LED Lamp Portable Lamp Flasher One Of Nine Sequencer 12V Dimmer Fully Automatic Emergency Light Solar Lamp Using PR4403 Slave Flash Trigger Put That Light Out High-intensity LED Warning Flasher Smooth Flasher The Itsy-Bitsy USB Lamp Midnight Security Light Circuit Schematic IC Controlled Emergency Light With Charger Electronic Candle Blow Out Flashing-LED Battery-Status Indicator Fading LEDs Dancing LEDs Bicycle Back Safety Light Automatic Low-Power Emergency Light Two Flashing LEDs Mains Operated LED AC 220 Volts Flashing Lamps Brightness Controller For Small Lamps and LEDs LED or Lamp Pulsar Circuit LED or Lamp Flasher Emergency Light and Alarm Two-LED Pilot Light Flashing Eyes Dark Activated LED or Lamp Flasher Battery Powered Night Lamp Courtesy Light Dark Activated Terrace Lamp

MCU - Microcontroller PIC Controlled Relay Driver LCD Module in 4-bit Mode AVR Dongle USB-Powered PIC Programmer Programming The Propeller IC Contrast Control for LCDs Simple Universal PIC Programmer Intelligent Presence Simulator The Gentle Touch Multitasking Pins DCF77 Preamplifier

Microphone Electronic Ear for Lego RCX Module Low-Noise Microphone Amplifier (OP270E) Compressor For Electret Microphone Speech Eroder Room Recorder Spy Ear Clap Sensitive On-Off Relay Hearing Aid A Low Cost Hearing Aid Amplified Ear

Motor Control Electronic Motor Starter PWM Dimmer/Motor Speed Controller Stepper Motor Generator Bipolar Stepper Motor Control Rolling Shutter Motor Control Fan Controller Using Just Two Components Reservoir Pump Controller Solar Hot Water Panel Differential Pump Controller Stepper Motor Generator Luminescent Generator Motor Turn Stall Detector Two Basic Motor Speed Controllers Cheap Pump Controller Efficient Fan Speed Controller Light-Controlled Pond Pump Junk-box Fan Speed Controller Pump Controller For Solar Hot Water System Stepper Motor Controller DC Motor Speed Controller Discrete PWM Generator 12V Speed Controller/Dimmer

Power (Mains) Non-Contact Power Monitor Contact-less AC Mains Voltage Detector Supply Voltage Monitor Electrical Isolation For I2C Bus Simple Electrification Unit Mains Pulser Power Flip-Flop Using A Triac Mains Voltage Monitor Mains Manager Mains Slave Switcher II Mains Slave Switcher Mains Frequency Monitor Smart Trailing Socket Fuse Saver Mini High-Voltage Generator

Power Supply Dual Polarity Unregulated PSU For High-End Audio Amps High Voltage Converter: 90V From 1.5V Very Low Dropout Adjustable Breadboard Power Supply 3V Supply Splitter Transformer-less Power Supply Discrete Voltage Regulator Simple Pre-Regulator Dual Power Supply For Amplifiers Switching Voltage Regulator Low Power 12V Transformer-less Power Supply High Input Voltage Linear Regulator ATX Power Switch Substitute Compact Switching Step-Down Converter By MAX639 DC/DC Converter From +1.5V To +34V Dual Polarity 5 Volt Converter Using LM2685 9V DC Adapter With Battery Backup 3 Volts Car Adapter Using LT1074CT Adjustable 3 Ampere Regulator 78xx Voltage Regulators 12V Glow Plug Converter DC Control for Triacs DMM Fuse Protector Over-voltage Protection Floating 9V Supply For DVM Modules RS232 Voltage Regulator 555 DC/DC Converter Low-Power Voltage Reference Switch-Mode Power Supply Low-Drop 5V Regulator Thrifty Voltage Regulator Ultra Low-Power 5V Regulator Soft Start For Switching Power Supply Alarm Power Supply Fast Electronic Fuse Logic PSU With Over-Voltage Protection Polarity Reverser Lead-Acid-Battery Regulator For Solar Panel Systems Fast Voltage-Driven Current Source Variable PSU Reset from Multiple Power Supplies Voltage Regulator Calculation Reverse Polarity Protector 7.2V Battery Replacement Power Supply For Camcorders Power Supply For USB Devices 5V Power Supply For On-Train Radio Camera Negative Auxiliary Voltage Stable Filament Supply Voltage Levels Control Relays Triple Power Supply SMPSU With A Relay Inductor-less 3-5 Volts Converter Buck-Boost Voltage Converter Adjustable Zener Diode 3.3 V or 5 V Direct from the Mains 100V Regulators Fully Adjustable Power Supply Battery Replacement Power Supply Switch-mode Constant Current Source Ultra Low Drop Linear Voltage Regulator Short Circuit Protection For Balanced Supply Rails Low-Cost Dual Power Supply High Current Low-Dropout Voltage Regulator Cheap Switch-Mode DC-DC Converter 8V DC Power Supply With Over-Voltage Protection Low-Loss Step Down Converter High-Voltage Regulator With Short Circuit Protection Alternative Halogen Power Supply Quad Power Supply For Hybrid Amplifier Power MOS-FET Bridge Rectifier Transformer-less 5 Volt Power Supply Adjustable Current Limit For Dual Power Supply Step-Down Converter Controlle Stabilized Power Supply With Short-Circuit Indication Protection For Voltage Regulators Solar Cell Voltage Regulator Low Voltage Step-Down Converter 48V Phantom (Microphone) Power Supply 12V Regulated Inverter Supply 9 Volt 2 Ampere DC Power Supply 3-30V 3A Adjustable Regulated DC Power Supply Adjustable 1.3-22V Regulated Power Supply 5V Regulated Power Supply 1.5 - 35 Volt DC Regulated Power Supply Ampere or Current Booster Discrete Virtual Ground Stabilized Regulated Power Suppl Dual-rail Variable DC Power Supply Dual Opamp Buffered Power Supply Variable Dc Power Supply

Pulse and Frequency Pulse Generator 1kH Synthetic Inductor Frequency Doubler 1.2GHz VCO With Linear Modulation Pulse Frequency Modulator CMOS Crystal Frequency Multiplier Optical Pulse Generator Long-Interval Pulse Generator

RF (Radio) Wire Tracer (Transmitter) Wire Tracer (Receiver) Low Power FM Transmitter Simple RF Detector For 2M One Transistor Radio 10 to 1000 MHz Oscillator 0-44dB RF Attenuator Diode Radio For Low Impedance Headphones Longwire Match For SW Receivers FM Wireless Microphone Active Short-Wave Antenna Antenna Tuning Unit (ATU) For 27-MHz CB Radios Sine Wave To TTL Converter DRM Down-Converter For 455kHz IF Receivers Tuned Radio Frequency (TRF) Receiver SSB Add-On For AM Receivers Single-Chip VHF RF Preamp Shortwave Monitor Antenna Input & Audio Lineout Adaptor For Portable Radios Radio Controlled Electronic Flash Simple AM Radio Receiver Active Antenna Opamp VHF FM Transmitter Simple AM Transmitter Simple Short-Wave Transmitter Medium-Power FM Transmitter Thunderstorm Predictor Quality Stereo Wireless Microphone or Audio Link

Relay Solar Relay Reducing Relay Power Consumption Audio Amplifier Output Relay Delay Pushbutton Relay Selector Relay Coil Energy Saver Handy Time Delay With Relay Output Momentary Switch Teamed With Latching Relay Water Pump Relay Controller

Sensors and Detectors Automatic Heat Detector Tiny Dew Sensor Two-Wire Temperature Sensor Using LM35 Sensitive Overload Sensor Isolated Fuse Fail Indicator Spike Detector For Oscilloscopes Automatic Air Humidifier Celsius Thermometer Two-Wire Temperature Sensor Infra-Red Proximity Detector Infra-Red Level Detector Simple Moisture Detector Temporarily Silencing A Smoke Detector Simple Audio Peak Detector Pseudo Track Occupancy Detector Acoustic Sensor Car Battery Failure Detector Super Light Sensor Simple BFO Metal Locator Body Charge Detector Mobile Bug Detector Temperature-Controlled Soldering Iron Invisible Broken Wire Detector Low Supply Rail Detection Simple Short-Circuit Detection Simple One-Wire Touch Detector Simple Capacitive Touch Sensor Temperature-Controlled Switch Capacitive Sensor Energy Leak Detector Live Line Detector-Indicator

Speakers and Subwoofers Crowbar Speaker Protection Crossover For Subwoofer Loudspeaker Protector Monitors Current

Switches IR On/Off Switch Using Microcontroller Smart Foot Switch Time Switch Heat Sensitive Switch Clap Switch Automatic Switch For Voltage Converters Auto Power Off On And Off Button Clap-Controlled Switch Push Off Push On Master/Slave Switch Low-Voltage Remote Mains Switch Speaker-Headphone Switch For Computers Petrol Gas Switch For A Pajero RC (Remote Control) Switch Mains Slave Switcher II Computer Off Switch Mains Slave Switcher I Electronic Touch Switch Hard Disk Switch Temperature Sensitive Switch For Solar Collector Remote Control Mains Switch On Off Touch Switch 220V AC Lamp Toggle Switch

Telephone and Intercom Low-Cost Transistorized Intercom DTMF Receiver IC MT8870 Tester Cordless Phone Backup 2-Line Intercom-Cum-Telephone Line Changeover Watch-Dog For Telephones Telephone Ringer Using Timer ICs Telephone Call Voice Changer Telephone Line Indicator Telephone Free Indicator Electronic Telephone Ringer Aviation Intercom Full-duplex Intercom Telephone Ringer Protection For Telephone Line

Test and Measurement Transistor Tester Measuring Inductors High Side Current Measurements Cheap And Cheerful Transistor Tester Cable Analyzer Thyristor Tester Liquid-Crystal Display (LCD) Tester Infra-red Remote Control Tester I Three-State Continuity Tester Infra-red Remote Control Tester II Connection Tester 12/24/48 V D.C. Tester Improved Vibrating Battery Tester 4-20mA Current Loop Tester Servo Tester Using A 4538 Meter Adaptor With Symmetrical Input El Cheapo Cable Tester Four-Channel Oscilloscope Adaptor Pipe Descaler Curve Tracer Adaptor Cable Tester Uses Quad Latch Frequency Multiplier For LF Measurements Capacitor Leakage Adaptor For DMM Internal Resistance Tester For Batteries Safe Oscillator For Watch Crystals Simple Cat.5 Network Tester Cheap AC Current Measurement Computer Data Cable Tester Battery Tester For Deaf and Blind Persons Hyper-Simple Battery Capacity Tester Harmonic Generator With Single Opamp IR Remote Control Tester Low Ohms Adaptor For DMM Based On An LM317 Regulator Switchable Output Crystal Oscillator Simple Logic Probe Minimalist Oscilloscope A Very Simple LED Tester Car and Motorcycle Battery Continuity Tester LED Tester Battery Tester Quick On-Board Junction Tester Components Voltage Tester Self-Powered Fast Battery Tester Circuit Board Checker 220vAC Operated Remote Tester Infrared Remote Tester III

Tone Control and Preamplifier Electric Guitar Preamplifier Ultra-Simple Microphone Preamplifier Modular Phono Preamplifier Simple MD Cartridge Preamplifier RIAA Phono Preamplifie Balanced Microphone Preamplifier Preamplifier For Soundcard Ten-Band Equalizer Treble Tone Control Accurate Bass Tone Control Passive RIAA Preamplifier Multimedia RIAA Preamplifier Paraphase Tone Controller Preamp Stage For Ceramic Phono Cartridge Or Violin Pickups A Balanced Output Board For The Stereo DAC Modular Preamplifier Switching Center Modular Preamplifier Portable Microphone Preamplifier Phono Preamplifier Stereo Preamplifier With Bass Boost

Video VGA to BNC Adapter (Converter) Video-Out Coupling RGB To Color Difference Converter 3-Input Video MUX Cable Driver Using LT1399 Video Amplifier Video Tracer For Trouble-Shooting NTSC-PAL TV Signal Identifier Video Isolator

VU Meters Simple Voltmeter LED Volt Meter Linear RF Power Meter ESR & Low Resistance Test Meter TV Relative Signal Strength Meter Electronic Torricelli Barometer Audio Power Meter Save Your Ears - A Noise Meter

Miscellaneous Dimmer Control Voltage Polarity Changer RMS to DC Converter Flip-Flop Using CMOS NAND Gates Electronic Die Opamp With Hysteresis PWM Modulator Cat And Dog Repellent Reset Sequencer Discrete Robot Zero Gain Mod For Non-Inverting Opamp Simple Under-Voltage Cut-Out Simple Combination Lock Logic Probe With Sound Relative Field Strength Meter For A DMM Simple 9-Way Cable Identifier Dual Relay Driver Board Learning Electronics is published under the Creative Commons Attribution License Sitemap Disclaimer Contact

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