tag:blogger.com,1999:blog-25293074411713470322011-12-18T20:28:44.498-08:00Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.comBlogger161100tag:blogger.com,1999:blog-2529307441171347032.post-61703576676452419542008-08-26T06:23:00.000-07:002008-08-26T06:24:28.203-07:00<a href="http://www.zen22142.zen.co.uk/Circuits/Switching/coldsw.htm"><strong>Frost Alarm</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/darksw.htm"><strong>Dark Activated Switch</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/keypad.htm"><strong>Electronic Keypad</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/ldet.htm"><strong>Light Detector Circuit</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/dcmotor.html"><strong>DC Motor Control Circuit </strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/debounce.htm"><strong>PBS Switch Debouncing Circuit</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/dbsw.htm"><strong>Remote Doorbell Warning Switch</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/dbcounter.htm"><strong>Electronic Doorbell with Counter</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/diglock.htm"><strong>Digital Combination Lock</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/nitelite.htm"><strong>Electronic Night Light</strong> </a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/soundsw.htm"><strong>Sound Operated Switch</strong> </a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/comparator.htm"><strong>Voltage Comparator Switch</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/reverse.htm"><strong>DC Motor Reversing Circuit</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/vcs555.htm"><strong>Voltage Controlled Switch using 555 Timer</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/un4a.html"><strong>Keypad Switch No.2</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/drl.html"><strong>Electronic Door Release</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/efylinux/circuit/cir84.htm&title=Intelligent%20Switch"><strong>Intelligent switch</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/nov2005/CI-02_Nov05.pdf&title=Heat-Sensitive%20Switch"><strong>Heat-Sensitive Switch</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/sep2003/cir-5-washing.pdf&title=Washing%20Machine%20Motor%20Controller"><strong>Washing Machine Motor Controller</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/july2003/cir5-voltage.pdf&title=Voltage-Based%20Controller%20For%20Switches"><strong>Voltage-Based Controller For Switches</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/efylinux/circuit/nov2002/traffic.pdf&title=Automated%20Traffic%20Signal%20Controller"><strong>Automated Traffic Signal Controller</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/efylinux/circuit/cir37.htm&title=Automatic%20Switch%20For%20Audio%20Power%20Amplifier"><strong>Automatic Switch For Audio Power Amplifier</strong></a><br /><a href="http://www.aaroncake.net/Circuits/hdlights.asp"><strong>Automatic Headlight Brightness Switch</strong></a><br /><a href="http://sound.westhost.com/project40.htm"><strong>Load Sensing Auto Switch</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/efylinux/circuit/apr2002/rdfde.pdf&title="><strong>Solid State Switch for DC Operated Gadgets</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-6170357667645241954?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com1tag:blogger.com,1999:blog-2529307441171347032.post-63163519507469985542008-08-26T06:22:00.001-07:002009-01-09T06:41:34.268-08:00<a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page7.htm#neon.gif"><strong>Flashing Neons (NE-51 / NE-2)</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page7.htm#neons.gif"><strong>Sequencing Neons (NE-51 / NE-2)</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page8.htm#touch.gif"><strong>Touch Activated Light</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page7.htm#game1.gif"><strong>Game Show Indicator Lights (Who's First)</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page13.htm#salt_w.gif"><strong>Salt Water Battery</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page13.htm#schmitt.gif"><strong>Transistor Schmitt Trigger Oscillator</strong></a><br /><a href="http://www.electrofriends.com/projects/carparking/"><strong>Car parking system using Microcontroller</strong></a><br /><a href="http://www.electrofriends.com/projects/ehouse/"><strong>Electronic House</strong></a><br /><a href="http://www.electrofriends.com/projects/train/index.html"> <strong>Automatic Railway Gate Control </strong></a><br /><a href="http://www.electrofriends.com/projects/train_engine/index.html"><strong>Intelligent Train Engines</strong></a><br /><a href="http://www.electrofriends.com/projects/water/index.html"><strong>Water level indicator and controller</strong></a><br /><a href="http://www.electrofriends.com/projects/sudoku/"><strong>THE SUDOKU SOLVER</strong></a><br /><a href="http://home.cogeco.ca/~rpaisley4/GC04.html"><strong>Automatic Railway Grade Crossing Flashers</strong></a><br /><a href="http://home.cogeco.ca/~rpaisley4/ToyThrottleMk2.html"><strong>Joy Stick Controlled - Modernized "Toy" Throttle</strong></a><br /><a href="http://home.cogeco.ca/~rpaisley4/ATLaser.html"><strong>Laser Pointer Train Detector</strong></a><br /><a href="http://home.cogeco.ca/~rpaisley4/AutoStop.html"><strong>Automatic Station Stop Circuit</strong></a><br /><a href="http://www.redcircuits.com/Page18.htm"><strong>Plant Watering Watcher - Version II</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/efylinux/circuit/august2001/cir1.htm&title=Water-Level%20Controller"><strong>Water-Level Controller</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/May2008/CI-01_May08.pdf&title=Staircase%20Light%20With%20Auto%20Switch-Off"><strong>Staircase Light With Auto Switch-Off</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/nov2004/CI-04-Nov04.pdf&title=Fire%20Alarm%20Using%20Thermistor"><strong>Fire Alarm Using Thermistor</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/mar2004/Cir-01-mobile-charger.pdf&title=Mobile%20Cellphone%20Charger"><strong>Mobile Cellphone Charger</strong></a><br /><a href="http://www.nyx.net/~smanley/tach/tach.html"><strong>DIGITAL ENGINE TACHOMETER</strong></a><br /><a href="http://www.tkk.fi/Misc/Electronics/circuits/dacs.html"><strong>Centronics port D/A converters and low-pass filter </strong></a><br /><a href="http://home.maine.rr.com/randylinscott/nov20.htm"><strong>Plant Moisture Meter</strong></a><br /><a href="http://www.redcircuits.com/Page16.htm"><strong>Room Noise Detector</strong></a><br /><a href="http://www.redcircuits.com/Page46.htm"><strong>Heating System Thermostat</strong></a><br /><a href="http://www.redcircuits.com/Page47.htm"><strong>Cellular Phone calling Detector</strong></a><br /><a href="http://www.redcircuits.com/Page70.htm"><strong>Temperature-controlled Fan</strong></a><br /><a href="http://www.redcircuits.com/Page109.htm"><strong>Temperature-controlled 12V dc Fan</strong></a><br /><a href="http://www.redcircuits.com/Page9.htm"><strong>Digital Step-Km Counter</strong></a><br /><a href="http://www.redcircuits.com/Page24.htm"><strong>Bicycle back Safety Light</strong></a><br /><a href="http://www.redcircuits.com/Page29.htm"><strong>Whistle Responder</strong></a><br /><a href="http://www.redcircuits.com/Page32.htm"><strong>Jogging Timer</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=40"><strong>Automatic plant Irrigation (AT89C2051)</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=60"><strong>Prepaid Energy Meter</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=64"><strong>Traffic Light Controller</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-6316351950746998554?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com1tag:blogger.com,1999:blog-2529307441171347032.post-7740846108382871562008-08-26T06:21:00.001-07:002009-01-09T06:33:08.328-08:00<a href="http://www.aaroncake.net/Circuits/acmotcon.asp"><strong>AC Motor Speed Controller</strong></a><br /><a href="http://www.aaroncake.net/Circuits/motorcon.asp"><strong>Pulse Width Modulation DC Motor Control</strong></a><br /><a href="http://www.aaroncake.net/Circuits/servocon.asp"><strong>Simple Servo Controller</strong></a><br /><a href="http://www.aaroncake.net/Circuits/cntctcon.asp"><strong>Simple Two Speed Contactor DC Motor Controller</strong></a> <br /><a href="http://www.aaroncake.net/Circuits/stepper.asp"><strong>Stepper Motor Controller</strong></a><br /><a href="http://www.interq.or.jp/japan/se-inoue/e_pic6_9.htm"><strong>DC motor speed controller</strong></a><br /><a href="http://www.interq.or.jp/japan/se-inoue/e_step.htm"><strong>Stepper Motor controller (2)</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=38"><strong>Auto Control of three phase Induction motor (AT89S52)</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-774084610838287156?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-35732674453965239652008-08-26T06:20:00.000-07:002008-08-26T06:21:02.354-07:00<a href="http://www.aaroncake.net/Circuits/inverter.asp"><strong>12VDC To 120VAC Inverter</strong></a><br /><a href="http://www.aaroncake.net/Circuits/loadswitch.asp"><strong>Automatic Load Sensing Power Switch</strong></a><br /><a href="http://www.aaroncake.net/Circuits/charger1.asp"><strong>Car Battery Charger</strong></a><br /><a href="http://www.aaroncake.net/Circuits/supply3.asp"><strong>Dual Polarity Power Supply</strong></a><br /><a href="http://www.aaroncake.net/Circuits/supply6.asp"><strong>Fixed Voltage Power Supply</strong></a><br /><a href="http://www.aaroncake.net/Circuits/supply2.asp"><strong>High Current Power Supply</strong></a><br /><a href="http://www.aaroncake.net/Circuits/supply4.asp"><strong>High Voltage High Current Power Supply</strong></a><br /><a href="http://www.aaroncake.net/Circuits/supply.asp"><strong>Power Supply</strong></a><br /><a href="http://www.discovercircuits.com/PDF-FILES/powerlos.pdf"><strong>Machine power loss beepter (PDF)</strong></a><br /><a href="http://www.interq.or.jp/japan/se-inoue/e_ckt30.htm"><strong>DC/AC inverter</strong></a><br /><a href="http://sound.westhost.com/project44.htm"><strong>Variable Dual Lab Power Supply</strong></a><br /><a href="http://www.reconnsworld.com/power_highlowbattmon.html"><strong>12v "high" or "low" battery monitor</strong></a><br /><a href="http://www.interq.or.jp/japan/se-inoue/e_ckt24.htm"><strong>Electric power controller</strong></a><br /><a href="http://www.redcircuits.com/Page35.htm"><strong>Live-line Detector</strong></a><br /><a href="http://www.redcircuits.com/Page62.htm"><strong>AC Current Monitor</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-3573267445396523965?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-29844573980063739772008-08-26T06:19:00.001-07:002009-01-09T06:37:53.465-08:00<a href="http://www.electrofriends.com/projects/robotic_car/"><strong>ROBOTIC CAR</strong></a><br /> <a href="http://www.gurulib.com/_project/robots/adam_1/adam_1.html"><strong>Adam - I</strong> </a><br /> <a href="http://www.gurulib.com/_project/robots/adam_2/Adam_2_photos.htm"><strong>Adam - II (micromouse competition entrant)</strong></a><br /> <a href="http://www.gurulib.com/_project/optical_mouse_hack_files/optical_mouse_hack.htm"><strong>Optical Mouse Hack - Used in Adam - II</strong></a><br /> <a href="http://library.solarbotics.net/circuits/se_t1_1381.html"><strong>The 1381-based solar engine</strong></a> <br /><a href="http://library.solarbotics.net/circuits/se_t2_555.html"><strong>555-based solar engine</strong></a><br /><a href="http://users.frii.com/dlc/robotics/2313board/bb2313.html"><strong>90S2313 AVR Robot Board</strong></a><br /><a href="http://academic1.bellevue.edu/robots/ircircuit.html"><strong>IR Detector for Robot</strong></a><br /><a href="http://www.seattlerobotics.org/encoder/200010/robarnold.html"><strong>RF Modem Robotics Project</strong></a><br /><a href="http://www.geocities.com/tjacodesign/cerberes/cerberes.html"><strong>Small 3-wheel ROBOT with PIC16F84 brain & InfraRed eyes</strong></a><br /><a href="http://www.kmitl.ac.th/~kswichit%20/LFrobot/LFrobot.htm"><strong>Line Follower ROBOT</strong></a> <br /><a href="http://elm-chan.org/works/ltc/report.html"><strong>Desktop Line Following Robot</strong></a><br /><a href="http://www.ikalogic.com/proj_mini_line_folower.php"><strong>Mini line follower Robot</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=50"><strong>Fire Fighting Robot (AT89S52)</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=67"><strong>Line Following Robot (AT89C2051)</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=54"><strong>PC Based Robot (AT89C2051)</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-2984457398006373977?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com1tag:blogger.com,1999:blog-2529307441171347032.post-70657586873642423322008-08-26T06:17:00.000-07:002009-02-11T07:00:18.257-08:00<a href="http://www.epanorama.net/circuits/strobo_12v.html"><strong>12V stroboscope </strong></a><br /><a href="http://www.epanorama.net/circuits/lightboard.html"><strong>Analogue light controlling desk</strong> </a><br /><a href="http://www.epanorama.net/circuits/dimmer4.html"><strong>Four channel dimmer rack</strong></a> <br /><a href="http://www.epanorama.net/circuits/strobo.html"><strong>Mini pocket stroboscope</strong></a> <br /><a href="http://www.epanorama.net/circuits/simpleflasher.html"><strong>Simple light bulb flasher</strong></a> <br /><a href="http://www.epanorama.net/circuits/strobocontrol.html"><strong>Strobo controller</strong></a> <br /><a href="http://www.epanorama.net/circuits/strobotrigger.html"><strong>Stroboscope trigger circuits</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page6.htm#dimmer.gif"><strong>12 Volt Lamp Dimmer</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page6.htm#eyes2.gif"><strong>12 Volt Lamp Fader (Automatic)</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page4.htm#acdimmer.gif"><strong>120 VAC Lamp Dimmer (full wave SCR)</strong></a><br /><a href="http://www.edn.com/archives/1997/102397/22di_04.htm"><strong>2 Wire DC Lamp Dimmer Replaces Rheostats</strong></a><br /><a href="http://www.geocities.com/tomzi.geo/dimmer/dimmer.htm"><strong>230 Volt Dimmer</strong></a><br /><a href="http://www.tkk.fi/Misc/Electronics/circuits/dimmer4.html"><strong>4 Channel dimmer rack</strong></a><br /><a href="http://www.electronics.8m.net/fckt.html"><strong>8 Bit Digital Light Intensity Controller</strong></a> <br /><a href="http://www.irf.com/technical-info/refdesigns/cfl-3.pdf"><strong>A Ballast that can Be Dimmed from a Domestic (Phase Cut) Dimmer</strong></a><br /><a href="http://www.edn.com/article/CA472839.html"><strong>Circuit Delivers Dimming Control for White LED Driver</strong></a><br /><a href="http://home.cogeco.ca/~rpaisley4/8PhotoDetect.html"><strong>8 Photo-Detector Circuit Board</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/darksw.htm"><strong>Dark Activated Switch or Porch Light Switch</strong></a><br /><a href="http://www.uoguelph.ca/~antoon/circ/actrelay.htm"><strong>Dark/Light Activated Relay</strong></a><br /><a href="http://www.redcircuits.com/Page73.htm"><strong>Dark-activated 230V Lamp</strong></a><br /><a href="http://www.redcircuits.com/Page64.htm"><strong>Dark-activated LED or Lamp Flasher</strong></a><br /><a href="http://home.cogeco.ca/~rpaisley4/DayNight.html"><strong>Day and Night Infrared Detection</strong></a><br /><a href="http://www.discovercircuits.com/DJ-Circuits/20mrvr2.htm"><strong>10MHz TO 20MHz LASER LIGHT DETECTOR</strong></a><br /><a href="http://www.discovercircuits.com/DJ-Circuits/30khzamp1.htm"><strong>30KHZ LIGHT RECEIVER AMP</strong></a><br /><a href="http://www.discovercircuits.com/DJ-Circuits/40krvr3.htm"><strong>40KHz LASER BURST DETECTOR</strong></a><br /><a href="http://www.discovercircuits.com/H-Corner/40khzlight.htm"><strong>40KHz Light Detector with Sunlight Immunity</strong></a><br /><a href="http://www.discovercircuits.com/H-Corner/under-volt.htm"><strong>3v Low Battery Voltage Flasher</strong></a><br /><a href="http://www.discovercircuits.com/DJ-Circuits/xenfls1.htm"><strong>9v POWERED XENON PHOTOFLASH Controller</strong> </a><br /><a href="http://home.cogeco.ca/~rpaisley4/FredDCC.html"><strong>Flashing Rear-End Device For DCC Systems</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/aug2004/CI-aug04_Flashing-HOT.pdf&title=Flashing-Cum-Running%20Light"><strong>Flashing-Cum-Running Light</strong></a><br /><a href="http://www.aaroncake.net/Circuits/laserxmt.asp"><strong>LASER Transmitter/Receiver</strong></a><br /><a href="http://home.maine.rr.com/randylinscott/sep20.htm"><strong>PIC Light Chaser</strong></a><br /><a href="http://www.redcircuits.com/Page44.htm"><strong>Battery-powered Night Lamp</strong></a><br /><a href="http://www.redcircuits.com/Page4.htm"><strong>Bedside Lamp Timer</strong></a><br /><a href="http://www.redcircuits.com/Page45.htm"><strong>Emergency Light & Alarm</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-7065758687364242332?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-8183367126089126262008-08-26T06:16:00.002-07:002009-01-09T06:35:51.332-08:00<a href="http://www.electronics-project-design.com/DoorMonitor.html"><strong>Door Monitor Project</strong></a><br /><a href="http://web-ee.com/schematics/instrumentation/wireless-weather-station/"><strong>Wireless Weather Station</strong></a><br /> <a href="http://www.gurulib.com/_project/wmp3/index.htm"><strong>WMP3 - Wireless Internet Radio Player</strong></a><br /><a href="http://www.scribd.com/doc/3071685/mobile-jammer"><strong>MOBILE JAMMER</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/January2008/CI-09_Jan08.pdf&title=Mobile%20Bug">"<strong>Mobile BUG</strong>"</a><br /><a href="http://www.aaroncake.net/Circuits/tach.asp"><strong>Wireless Auto Tachometer</strong></a><br /><a href="http://www.redcircuits.com/Page11.htm"><strong>Digital Remote Thermometer</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=81"><strong>Device control through Bluetooth from Symbian OS Mobiles</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-818336712608912626?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com1tag:blogger.com,1999:blog-2529307441171347032.post-67739069466471928422008-08-26T06:16:00.001-07:002008-08-26T06:16:48.393-07:00<a href="http://www.zen22142.zen.co.uk/Circuits/Audio/amp15.htm"><strong>15 Watt Amplifier</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Audio/150wmp3.htm"><strong>150W MP3 Car Amplifier</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Audio/24wca.htm"><strong>24 Watt Class A Amplifier</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Audio/buffer.htm"><strong>Buffer Amplifier</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Audio/thegem.htm"><strong>Class-A//AB Amplifier</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Audio/audiolevelmeter.htm"><strong>Audio Level Meter</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Audio/v_over.htm"><strong>Voice-Over Circuit</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page8.htm#amp.gif"><strong>Simple 3 Transistor Audio Amp (50 milliwatt)</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page8.htm#amp1.gif"><strong>Improved 3 Transistor Audio Amp (80 milliwatt)</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/jan2005/CI-01_Jan05.pdf&title=Audio%20Amplifier%20for%20Personal%20Stereo"><strong>Audio Amplifier for Personal Stereo</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/nov2003/CI-04-mosfet.pdf&title=Mosfet-Based%20Preamplifier%20for%20FM%20Radio%20DXing"><strong>Mosfet-Based Preamplifier for FM Radio DXing</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/efylinux/circuit/feb2003/Precision%20Amplifier%20with%20digital%20control.pdf&title=Precision%20Amplifier%20With%20Digital%20Control"><strong>Precision Amplifier With Digital Control</strong></a><br /><a href="http://www.aaroncake.net/Circuits/amp20w.asp"><strong>22 Watt Audio Amplifier</strong></a><br /><a href="http://www.aaroncake.net/Circuits/amp50w.asp"><strong>50 Watt Amplifier</strong></a><br /><a href="http://www.aaroncake.net/Circuits/mixer1.asp"><strong>FET Audio Mixer</strong></a><br /><a href="http://www.aaroncake.net/Circuits/fuzz.asp"><strong>Guitar Fuzz Effect</strong></a><br /><a href="http://www.aaroncake.net/Circuits/mixer2.asp"><strong>Microphone Mixer</strong></a><br /><a href="http://www.aaroncake.net/Circuits/stereosynth.asp"><strong>Mono To Stereo Synthesizer</strong></a><br /><a href="http://www.aaroncake.net/Circuits/vumeter.asp"><strong>Sound Level Meter</strong></a><br /><a href="http://www.aaroncake.net/Circuits/tubeamp.asp"><strong>Stereo Tube Amplifier</strong></a><br /><a href="http://sound.westhost.com/project68.htm"><strong>300W Subwoofer Power Amplifier</strong></a><br /><a href="http://www.mitedu.freeserve.co.uk/Circuits/Audio/tda8.htm"><strong>TDA2030 8 Watt amplifier</strong></a><br /><a href="http://sound.westhost.com/project19.htm"><strong>Single Chip 50 Watt / 8 Ohm Power Amplifier</strong></a><br /><a href="http://www.mitedu.freeserve.co.uk/Circuits/Audio/gmpre.htm"><strong>Hi-Fi Preamplifier</strong></a><br /><a href="http://w1.859.telia.com/~u85920178/antennas/preamp-0.htm"><strong>MASTHEAD PREAMP</strong></a><br /><a href="http://sound.westhost.com/project27.htm"><strong>100W Guitar Amplifier Mk II</strong></a><br /><a href="http://sound.westhost.com/project18.htm"><strong>Simple Surround Sound Decoder</strong></a> <br /><a href="http://sound.westhost.com/project30.htm"><strong>High Quality Audio Mixer</strong></a><br /><a href="http://sound.westhost.com/project32.htm"><strong>Simple Car Preamplifier and Artificial Earth</strong></a><br /><a href="http://sound.westhost.com/project33.htm"><strong>Loudspeaker Protection and Muting</strong></a><br /><a href="http://sound.westhost.com/project37a.htm"><strong>Minimalist Discrete Hi-Fi Preamp<br />(Discrete Opamp)</strong> </a><br /><a href="http://sound.westhost.com/project42.htm"><strong>Thermo-Fan To Keep Your Amp Cool</strong></a><br /><a href="http://sound.westhost.com/project48.htm"><strong>Active Sub-Woofer and Controller</strong></a><br /><a href="http://sound.westhost.com/project53.htm"><strong>Audio Amp Output Power Limiter</strong></a><br /><a href="http://sound.westhost.com/project116.htm">Subwoofer Amp</a><br /><a href="http://home.maine.rr.com/randylinscott/feb20.htm"><strong>Audio Auto Shutoff</strong></a><br /><a href="http://www.redcircuits.com/Page61.htm"><strong>10W Audio Amplifier with Bass-boost</strong></a><br /><a href="http://www.redcircuits.com/Page67.htm"><strong>Automatic Loudness Control</strong></a><br /><a href="http://www.redcircuits.com/Page53.htm"><strong>Portable Mixer</strong></a><br /><a href="http://www.redcircuits.com/Page121.htm"><strong>Speech Amplifier Box</strong></a><br /><a href="http://www.redcircuits.com/Page123.htm"><strong>Mini-MosFet Audio Amplifier</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-6773906946647192842?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-73399948638369633852008-08-26T06:14:00.002-07:002009-01-09T06:40:27.180-08:00<a href="http://solorb.com/elect/solarcirc/shuntreg1/index.html"><strong>Shunt-mode Solar/Wind Charge Controller</strong></a><br /><a href="http://solorb.com/elect/solarcirc/solarfurn/index.html"><strong>Self Powered Solar Box Furnace</strong></a><br /><a href="http://solorb.com/elect/solarcirc/snl1/index.html"><strong>Solar Powered Night Light</strong></a><br /><a href="http://solorb.com/elect/solarcirc/srl1/index.html"><strong>Solar Powered Reading Lamp</strong></a><br /><a href="http://www.redrok.com/electron.htm#led3"><strong>Solar Tracker</strong></a><br /><a href="http://try2innovate.com/index.php?option=com_content&task=view&id=108&Itemid=195"><strong>Solar Recorder</strong></a><br /><a href="http://library.solarbotics.net/circuits/se_t1_1381.html"><strong>1381-based Solar Engine</strong></a><br /><a href="http://library.solarbotics.net/circuits/se_t2_555.html"><strong>555-based solar engine</strong></a><br /><a href="http://library.solarbotics.net/circuits/se_t1_fled.html"><strong>Flashing LED-based Solar Engine</strong></a><br /><a href="http://library.solarbotics.net/circuits/se_t1_mse.html"><strong>The "Miller" solar engine</strong></a><br /><a href="http://www.solorb.com/elect/solarcirc/scc2/"><strong>SCC3 - 12 Volt 20 Amp Solar Charge Controller</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=33"><strong>Solar tracking System</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-7339994863836963385?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-71264264652947034662008-08-26T06:14:00.001-07:002008-08-26T06:14:55.077-07:00<a href="http://www.zen22142.zen.co.uk/Circuits/rf/amrec.html"><strong>AM Receiver</strong></a> <br /><a href="http://www.zen22142.zen.co.uk/Circuits/rf/ZN414.htm"><strong>ZN414 Portable Receiver</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/rf/2bjttx.htm"><strong>2 Transistor FM Voice Transmitter</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/rf/davidtx.htm"><strong>FM Transmitter</strong></a> <br /><a href="http://www.zen22142.zen.co.uk/Circuits/rf/4txtr.htm"><strong>4 Transistor Transmitter</strong></a> <br /><a href="http://www.zen22142.zen.co.uk/Circuits/rf/txcct.htm"><strong>FM Transmitter with Opamp</strong></a> <br /><a href="http://www.zen22142.zen.co.uk/Circuits/rf/band2pre.htm"><strong>Band 2 Preamplifier</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/radio.htm#radio.gif"><strong>Superhet AM Broadcast Receiver</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/radio.htm#loop.jpg"><strong>AM Broadcast Loop Antenna</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page6.htm#amtrans.gif"><strong>Micro Power AM Broadcast Transmitter</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page6.htm#fm.gif"><strong>FM Beacon Transmitter (88-108 MHz)</strong></a><br /><a href="http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/aug2005/CI-01_Aug05.pdf&title=Medium-Power%20FM%20Transmitter"><strong>Medium-Power FM Transmitter</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-7126426465294703466?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-51060013220945423482008-08-26T06:09:00.001-07:002009-03-18T22:25:09.110-07:00<a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page5.htm#dual_led.gif"><strong>1.5 Volt Dual LED Flasher </strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/555.htm#555leds.gif"><strong>40 LED Bicycle Light (555 Timer - 6 volt)</strong> </a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page5.htm#clock.gif"><strong>28 LED Clock</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page5.htm#flash2.gif"><strong>Two Transistor LED Flasher</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page8.htm#light.gif"><strong>LED Photo Sensor Circuit</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page5.htm#eyes.gif"><strong>Fading Red Eyes</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page10.htm#traffic.gif"><strong>LED Traffic Lights</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page5.htm#night_r.gif"><strong>16 Stage Bi-Directional LED Sequencer</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page10.htm#lineled.gif"><strong>AC Line powered LEDs</strong></a><br /><a href="http://www.discovercircuits.com/DJ-Circuits/ac14fls.htm"><strong>1.5V LED Flasher VERSION A</strong></a> <br /><a href="http://www.discovercircuits.com/DJ-Circuits/1vled3.htm"><strong>1.5V LED Flasher VERSION B</strong></a> <br /><a href="http://www.discovercircuits.com/DJ-Circuits/12vlampmon.htm"><strong>12v Lamp Current Indicator</strong></a><br /><a href="http://www.redcircuits.com/Page51.htm"><strong>LED or Lamp Pulser</strong></a><br /><a href="http://www.redcircuits.com/Page57.htm"><strong>Dancing LEDs</strong></a><br /><a href="http://www.redcircuits.com/Page58.htm"><strong>Fading LEDs</strong></a><br /><a href="http://www.redcircuits.com/Page72.htm"><strong>LEDs or Lamps Sequencer</strong></a><br /><a href="http://www.redcircuits.com/Page127.htm"><strong>Halloween Flashing-eyes Badge</strong></a><br /><a href="http://electronikprojects.blogspot.com/2009/03/light-flasher.html"><strong>Light Flasher</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-5106001322094542348?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-30038656360029007042008-08-26T06:08:00.001-07:002008-08-26T06:08:52.075-07:00<a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page9.htm#555-T.gif"><strong>Relay Toggle Circuit Using a 555 Timer</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page9.htm#toggle3.gif"><strong>Relay Toggle Circuit Using a Single Transistor and Push Button </strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page9.htm#toggle7.gif"><strong>Relay Toggle Circuit Using a MOSFET and Push Button</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page9.htm#555mono.gif"><strong>555 Timer Monostable Circuit Using Pushbutton</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page7.htm#trigger.gif"><strong>Light Activated Relay (toggled)</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page10.htm#sunset.gif"><strong>Photo Electric Street Light</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page2.htm#delay.gif"><strong>Power-On Time Delay Relay Circuit</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page2.htm#relay_i.gif"><strong>Power-Off Time Delay Relay Circuit</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/page2.htm#therm.gif"><strong>Electronic Thermostat Relay Circuit</strong></a><br /><a href="http://www.discovercircuits.com/DJ-Circuits/fetssr.htm"><strong>CHARGE COUPLED BI-DIRECTIONAL POWER MOSFET RELAY </strong></a><br /><a href="http://www.discovercircuits.com/DJ-Circuits/lowssr2.htm"><strong>SOLID STATE RELAY REQUIRES ONLY 50uA DRIVE CURRENT</strong></a> <br /><a href="http://www.discovercircuits.com/DJ-Circuits/glassswitch.htm"><strong>THROUGH GLASS PUSHBUTTON SWITCH</strong></a> <br /><a href="http://www.discovercircuits.com/circuit-solutions/latching.html"><strong>Ultra Low Power Latching Relay Circuit</strong></a><br /><a href="http://www.discovercircuits.com/H-Corner/u-flasher.htm"><strong>Universal Flasher using Latching Relay</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/waterrelay.htm"><strong>Water Activated Relay</strong></a><br /><a href="http://www.aaroncake.net/Circuits/relaytim.asp"><strong>Time Delay Relay</strong></a><br /><a href="http://www.aaroncake.net/Circuits/relaytim2.asp"><strong>Time Delay Relay II</strong></a><br /><a href="http://www.redcircuits.com/Page70.htm"><strong>Temperature-controlled Fan</strong></a><br /><a href="http://www.redcircuits.com/Page4.htm"><strong>Bedside Lamp Timer</strong></a><br /><a href="http://www.redcircuits.com/Page88.htm"><strong>Clap Relay</strong></a><br /><a href="http://www.redcircuits.com/Page129.htm"><strong>Water Pump Relay Control</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-3003865636002900704?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-70026167668875995642008-08-26T06:07:00.001-07:002008-08-26T06:07:48.730-07:00<a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/opamp.htm#opamp.gif"><strong>Op-Amp Basics</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/opamp.htm#2Ofilter.gif"><strong>2nd Order Opamp Filters</strong></a><br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/opamp.htm#bandpass.gif"><strong>Bandpass Filter (Single Op-Amp)</strong></a> <br /><a href="http://ourworld.compuserve.com/homepages/Bill_Bowden/opamp.htm#intercom.gif"><strong>Low Power Op-Amp - Audio Amp (Intercom)</strong></a><br /><a href="http://www.aaroncake.net/Circuits/radio.asp"><strong>Op Amp Radio</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-7002616766887599564?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-49549069992927612552008-08-26T06:04:00.000-07:002008-08-26T06:06:39.837-07:00<red><a href="http://www.zen22142.zen.co.uk/Circuits/Timing/555mono.htm"><strong>Basic 555 Monostable</strong></a></red><br /><strong><a href="http://www.zen22142.zen.co.uk/Circuits/Timing/5_30timer.htm">5 to 30 Minute Timer</a></strong><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Timing/periodictimer.htm"><strong>Periodic Timer</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Timing/asym.htm"><strong>Asymmetric Timer</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Timing/24hour.htm"><strong>24 Hour Timer</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Timing/pulse.htm"><strong>555 Pulse Generator</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Timing/ivt.htm"><strong>Repeating Interval Timer</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Timing/rt2.htm"><strong>Repeating Timer No.2</strong></a><br /><a href="http://home.cogeco.ca/~rpaisley4/LM555.html"><strong>LM555 Timers - Circuits and Calculators</strong></a><br /><a href="http://www.redcircuits.com/Page126.htm">Long delay Timer</a><br /><a href="http://home.maine.rr.com/randylinscott/sep21.htm"><strong>Hands Off</strong></a><br /><a href="http://home.maine.rr.com/randylinscott/mar20.htm"><strong>Bike Light Flasher</strong></a><br /><a href="http://home.maine.rr.com/randylinscott/sep98.htm"><strong>Headlight Flasher</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-4954906999292761255?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com0tag:blogger.com,1999:blog-2529307441171347032.post-17549632332541444292008-08-26T06:03:00.000-07:002008-08-26T06:04:40.578-07:00<a href="http://www.discovercircuits.com/DJ-Circuits/doorbel.htm"><strong>BASEMENT DOORBELL BEEPER</strong></a><br /><a href="http://www.uoguelph.ca/~antoon/circ/birdie.htm"><strong>Birdie Doorbell Ringer</strong></a><br /><a href="http://www.electronicsforu.com/efylinux/circuit/feb2003/mar02_ding-dong.pdf"><strong>Ding-Dong Bell</strong></a><br /><a href="http://www.freeinfosociety.com/electronics/schemview.php?id=347"><strong>Door Chime</strong></a><br /><a href="http://www.mitedu.freeserve.co.uk/Circuits/Misc/deafdoorbell.htm"><strong>Doorbell for the Deaf</strong></a><br /><a href="http://www.zen22142.zen.co.uk/Circuits/Switching/dbcounter.htm"><strong>Electronic Doorbell with Counter</strong></a><br /><a href="http://www.uoguelph.ca/~antoon/circ/canary.html"><strong>Electronic Canary (Doorbell)</strong></a><br /><a href="http://www.edn.com/article/CA45864.html"><strong>Fix Adds Door-Chime Repeater</strong></a><br /><a href="http://www.electronicsforu.com/EFYLinux/circuit/april2003/cir4-doorbell.pdf"><strong>Multi-Switch Doorbell with Indicators</strong></a><br /><a href="http://www.mitedu.freeserve.co.uk/Circuits/Switching/dbsw.htm"><strong>Remote Doorbell Warning Switch</strong></a><br /><a href="http://www.redcircuits.com/Page71.htm"><strong>Self-Powered Door-Bell Watcher</strong></a><br /><a href="http://www.discovercircuits.com/images/Twotonegenerator.jpg"><strong>Two Tone Generator</strong></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-1754963233254144429?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com2tag:blogger.com,1999:blog-2529307441171347032.post-43104374168456130372008-08-26T06:00:00.000-07:002009-01-09T06:27:00.948-08:00<a href="http://www.geocities.com/CapeCanaveral/Launchpad/3632/pc_therm.htm"><strong>DS1621 pc thermometer</strong></a><br /><a href="http://www.aaroncake.net/circuits/steth.asp"><strong>Electronic Stethoscope</strong></a><br /><a href="http://sound.westhost.com/project57.htm"><strong>The ESP SIM (Sound Impairment Monitor)</strong></a><br /><a href="http://www.8051projects.info/proj.asp?ID=48">BIOMEDICAL MONITORING SYSTEM (AT89C2051 + TX/RX)</a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/2529307441171347032-4310437416845613037?l=elecprojects.blogspot.com' alt='' /></div>Anitlinhttp://www.blogger.com/profile/17981764728219539949noreply@blogger.com3