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Electronics Circuits 27
2008-03-12 10:30:00
Alternating On-Off Switch, #1 http://www.uoguelph.ca/%7Eantoon/circ/alt 1.htm 35W Amplifier BCL by TDA2030 http://www.elecfree.com/circuit/power-amp lifier/35w-amplifier-bcl-by-tda2030/ Power Amplifier BCL 35W by TDA2030 http://www.elecfree.com/electronic/35w-am plifier-bcl-by-tda2030/ Simple Regulator By Transistor (C1061) http://www.elecfree.com/circuit/power-sup ply/simple-regulator-by-transistor-c1061/ Water Activated Alarm by IC 555 http://www.elecfree.com/circuit/digital-c ircuit/water-activated-alarm-by-ic-555/ Micro-Spy with USWhttp://www.uoguelph.ca/%7Eantoon/circ/ uspy2.htm Hot Wire Foam Cutter, 4 http://www.hhhh.org/%7Ejoeboy/resources/h otwire_foam_cutter/hotwire_foam_cutter.ht ml 4 Transistor Transmitter http://www.uoguelph.ca/%7Eantoon/circ/fmt 5.html Gadgets for Radio Control Pagehttp://www.uoguelph.ca/%7Eantoon/gadg ets/gadgets.htm Variable Power Supply, 1 - 30V @ 1.5A http://www.uoguelph.ca/%7Eantoon/circ/Var Reg1/VarReg1.html
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Electronics Circuits 26
2008-03-12 10:29:00
Active FM Antenna Amplifier http://www.uoguelph.ca/%7Eantoon/circ/act ivefm.html Radio Shack Special http://braincambre500.freeservers.com/ Video Amplifier by transistor BC547 & BC557 http://www.elecfree.com/circuit/power-amp lifier/video-amplifier-by-transistor-bc54 7-bc557/ Lead Acid Charger (Gel Cell)http://www.uoguelph.ca/%7Eantoon/cir c/bcgla.htm Water-level Sensing and Controlhttp://www.uoguelph.ca/%7Eantoon/c irc/sensor1.htm Continuity Tester, Low-Voltage http://www.uoguelph.ca/%7Eantoon/circ/cnt nuity.htm Relays - Automatic Turn-off http://www.uoguelph.ca/%7Eantoon/circ/rel ay62.html Basic IC MonoStable Multivibrator http://www.uoguelph.ca/%7Eantoon/circ/mon ovib.htm Treble Booster By 741 http://www.elecfree.com/circuit/tone-cont rol/treble-booster-by-741/ One - Shot Timer by IC 555 http://www.elecfree.com/circuit/digital-c ircuit/one-shot-timer-by-ic-555/
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Electronics Circuits 25
2008-03-12 10:28:00
Active Antenna for HF-VHF-UHFhttp://www.uoguelph.ca/%7Eantoo n/circ/AA7/activant2.html Simple Adjustable Voltage Source http://www.elecfree.com/Simple_Adjustable _Voltage_Source.php Pulse Generator by IC 1458 http://www.elecfree.com/circuit/Oscillato r-Generator/pulse-generator-by-ic-1458/ Miniature FM Transmitter #4 http://www.uoguelph.ca/%7Eantoon/circ/fmt 4.html Logic Probe(2), with pulse, TTL/CMOS http://www.uoguelph.ca/%7Eantoon/circ/pro be2.htm Hot Wire Foam Cutter, 2 http://www.techlib.com/hobby/hotwire_foam _cutter.htm 4 Transistor Tracking Transmitter http://www.uoguelph.ca/%7Eantoon/circ/txt rack.htm Touch Switch using Transistors http://www.uoguelph.ca/%7Eantoon/circ/tou ch1.html Continuity Tester, Smart http://www.uoguelph.ca/%7Eantoon/circ/cnt nuit2.htm Inverter 500W12 Volt to 220 Volt(Transistor)http://www.elecfree.com/1 2-volt-to-220-volt-inverter-500w.php
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Electronics Circuits 24
2008-03-12 10:28:00
Active Power Zener http://www.uoguelph.ca/%7Eantoon/circ/pwr zener.html Inverter 100W12V to 220V (Transistor) http://www.elecfree.com/Inverter_12V_to_2 20V_100W-Transistor.php High-Voltage Projects you can Buildhttp://www.uoguelph.ca/%7Eantoon/cir c/hv/hv.html Constant Current Charger http://www.uoguelph.ca/%7Eantoon/gadgets/ sccs.htm Relays - Transistor Boosted http://www.uoguelph.ca/%7Eantoon/circ/rel ay5.html Regulator 0-30V 5A by IC 723 & 2N3055 -2part http://www.elecfree.com/circuit/power-sup ply/supply-regulator-0-30v-5a-by-ic-723-2 n3055-2part/ 2 Transister (C945) tone control Stereo.http://www.elecfree.com/circuit/to ne-control/tone-control-stereo-by-2-trans ister-c945-2/ Super Small Amp 1.2W by IC TDA7052 http://www.elecfree.com/circuit/power-amp lifier/super-small-amp-12w-by-ic-tda7052/ 3 Transister (C945) tone control mono. http://www.elecfree.com/circuit/tone-cont rol/tone-control-mono-by-3-transister-c94 5/ Miniature FM Transmitter #6...
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Electronics Circuits 23
2008-03-12 10:27:00
HA1377 Bridge Amplifier BCL cap 17W (with PCB) http://www.elecfree.com/circuit/car-power -amp/ha1377-bridge-amplifier-bcl-cap-17w/ Regulator 0-30V 5A by IC 723 & 2N3055 -2part http://www.elecfree.com/circuit/power-sup ply/supply-regulator-0-30v-5a-by-ic-723-2 n3055-2part/ Function Generator by IC 1458 http://www.elecfree.com/circuit/Oscillato r-Generator/function-generator-by-ic-1458 / Regulator 1.25-30V 1A By LM317T http://www.elecfree.com/circuit/power-sup ply/supply-regulator-125-30v-1a-by-lm317/ Micro-Spy with FET's http://www.uoguelph.ca/%7Eantoon/circ/usp y.htm Leds Flasher, alternatelyhttp://www.uoguelph.ca/%7Eanto on/circ/flash2.htm Relays http://www.sentex.ca/%7Emec1995/relay4s/r elay4s.html HotChek http://www.cliftech.com/ Xmas Lights Tester http://www.uoguelph.ca/%7Eantoon/circ/xma sbulb.html Crystal Tester, #2http://www.uoguelph.ca/%7Eantoon/circ/x taltst2.html
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Electronics circuits 22
2008-03-12 10:26:00
TDA1904 Audio Amplifier OTL 4Whttp://www.elecfree.com/circuit/car-pow er-amp/tda1904-audio-amplifier-otl-4w/ Regulator 12V 10A by IC 723+2N3055 http://www.elecfree.com/circuit/power-sup ply/regulator-12v-10a-by-ic-7232n3055/ Logic probe by IC 4050 http://www.elecfree.com/circuit/digital-c ircuit/logic-probe-by-ic4050/ Latching Continuity Tester http://www.uoguelph.ca/%7Eantoon/circ/lat ching.html 1.5V Tracking Transmitter http://www.uoguelph.ca/%7Eantoon/circ/tx1 5trak.htm ScanMate http://www.uoguelph.ca/%7Eantoon/circ/sca nmate.htm Relays - 12 Sec to 90 min http://www.uoguelph.ca/%7Eantoon/circ/rel ay1h.html 555 Timer IC Tester http://www.uoguelph.ca/%7Eantoon/circ/555 test.htm DC Power Supply 1.25V to 25V http://www.elecfree.com/circuit/power-sup ply/dc-power-supply-125v-to-25v/ 5-13V Power Supply with IC 7805 & CA3140http://www.elecfree.com/html/Supply _Splitter_with_IC_741-TIP41_TIP42.htm
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Electronics Circuits 21
2008-03-12 10:25:00
TDA1905 Amplifier CAR Audio OTL 5W http://www.elecfree.com/circuit/car-power -amp/TDA1905-Amplifier-CAR-Audio-OTL-5W/ Supply 9VDC no transformerhttp://www.elecfree.com/circui t/power-supply/supply-9vdc-no-transformer / Miniature FM Transmitter #1 http://www.uoguelph.ca/%7Eantoon/circ/fmt 1.htm Simple Transistor Audio PreAmplifier http://www.uoguelph.ca/%7Eantoon/circ/amp 1.htm Battery Monitor for 12V Lead-Acid http://www.uoguelph.ca/%7Eantoon/circ/bat mon12.htm Regulator 1.25-30V 1A By LM317T http://www.elecfree.com/circuit/power-sup ply/supply-regulator-125-30v-1a-by-lm317/ 4 Transister (C945) tone control mono. http://www.elecfree.com/circuit/tone-cont rol/tone-control-mono-by-4-transister-c94 5/ 7805+Mj2955 power supply 5V 5A for digital circuit. http://www.elecfree.com/circuit/power-sup ply/7805-mj2955-power-supply-5v-5a-for-di gital-circuit/ Led Flasher, 2 transistor http://www.uoguelph.ca/%7Eantoon/circ/2qf lash.htm Wailing Alarm http://www.uog...
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Electronics Circuits 20
2008-03-04 12:16:00
TDA1908 Amplifier CAR AUDIO OTL 8Whttp://www.elecfree.com/circuit/car-pow er-amp/car-power-amp_Circuit-02.php Power Amplifier OCL 40W by 2N3055+MJ2955 http://www.elecfree.com/electronic/40w-am p-ocl-2n3055mj2955/ Hot Wire Foam Cutter, 3 http://members.fortunecity.co.uk/slmohr/r cinterest2.htm Continuity Tester, Latching http://www.uoguelph.ca/%7Eantoon/circ/lat ching.html LED Voltmeter for car battery by LM324 http://www.elecfree.com/circuit/car-autom otive/led-voltmeter-for-car-battery-by-lm 324/ TDA1905 Amplifier CAR Audio OTL 5W http://www.elecfree.com/circuit/car-power -amp/TDA1905-Amplifier-CAR-Audio-OTL-5W/ 50W Power Amplifier OCL Mosfet (K1058 + J162) http://www.elecfree.com/circuit/power-amp lifier/50w-amp-ocl-mosfet-k1058-j162/inde x.php Gate Alarm by IC 4011 http://www.elecfree.com/circuit/digital-c ircuit/gate-alarm-by-ic-4011/ 2 Transistor 2 LED Flasher http://www.uoguelph.ca/%7Eantoon/circ/2le dflash.html
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Electronics Circuits 18
2008-03-04 12:15:00
HA1377 Bridge Amplifier BCL cap 17W (with PCB) http://www.elecfree.com/circuit/car-power -amp/ha1377-bridge-amplifier-bcl-cap-17w/ Practical, 2-wire Intercom http://www.uoguelph.ca/%7Eantoon/circ/int ercom.html Relays - Long Duration http://www.uoguelph.ca/%7Eantoon/circ/rel ay7.html Telephone Transmitter (FM) http://www.uoguelph.ca/%7Eantoon/circ/FMT elTx/telephon.html Dual 12V Power Supply http://www.uoguelph.ca/%7Eantoon/circ/741 -ps.html 555 DC-AC Inverter http://www.uoguelph.ca/%7Eantoon/circ/555 dcac.html High-Voltage Projects you can Build http://www.uoguelph.ca/%7Eantoon/circ/hv/ hv.html Miniature FM Transmitter #2 http://www.uoguelph.ca/%7Eantoon/circ/fmt 2.htm Power Amplifier BCL 35W by TDA2030 http://www.elecfree.com/electronic/35w-am plifier-bcl-by-tda2030/
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Electronics circuits 19
2008-03-04 12:15:00
HA1377 Bridge Amp BCL 17W (with PCB) http://www.elecfree.com/circuit/car-power -amp/ha1377-bridge-amp-bcl-17w/ DC Power Supply http://www.elecfree.com/circuit/power-sup ply/dc-power-supply/ TDA820M Mini Amp 2W+2W http://www.elecfree.com/circuit/power-amp lifier/tda820m-mini-amp-2w2w/ Car NiCad Charger http://www.uoguelph.ca/%7Eantoon/gadgets/ carnc12.htm TDA1908 Amplifier CAR AUDIO OTL 8Whttp://www.elecfree.com/circuit/car-pow er-amp/car-power-amp_Circuit-02.php Simple Regulator By Transistor (C1061) http://www.elecfree.com/circuit/power-sup ply/simple-regulator-by-transistor-c1061/ Power Amplifier OCL 300W HIFI by MJ15004,MJ15003 http://www.elecfree.com/circuit/power-amp lifier/300w-power-amplifier-ocl-by-transi ster/ Light Sensor With Hysteresis http://www.uoguelph.ca/%7Eantoon/circ/sen sor4.htm Single Cell Sealed Lead Acid Charger http://www.uoguelph.ca/%7Eantoon/circ/SLA C.htm Power supply regulator 0-30V 1A by IC 741 + Transistor 2N3055 &...
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Electronics Circuits 17
2008-03-04 12:14:00
Power amp 50W+50W for CARhttp://www.elecfree.com/circuit/car-po wer-amp/power-amp-50w50w-for-car/ Power Amplifier OTL 30W by IC TDA2030 +Transistor http://www.elecfree.com/electronic/30w-am p-otl-by-tda2030-transistor/ Inverter 100W by IC 4047 + 2N3055 (with PCB) DC to DC converter http://www.elecfree.com/electronic/invert er-100w-by-ic-4047-2n3055-with-pcb/ High Current Regulated Supply http://www.elecfree.com/High_Current_Regu lated_Supply.php Power Supply Circuit 100W OCL Amplifier circuit by A1215 / C2921 http://www.elecfree.com/circuit/power-amp lifier/100w-ocl-amplifier-circuit-by-a121 5-c2921/ Pre Tone Control Stereo(bass-mid range-treble) by IC NE5532 http://www.elecfree.com/circuit/tone-cont rol/pre-tone-control-stereo-bass-mid-rang e-treble-by-ic-ne5532/ HYPERLINK "http://www.elecfree.com/circuit/power-am plifier/50w-amp-ocl-mosfet-k1058-j162/ind ex.php"50W Power Amplifier OCL Mosfet (K1058 + J162) http://www.elecfree.com/circuit/power-amp lifier/50...
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Electronics Circuits 15
2008-03-04 12:13:00
HA1377 Bridge Amplifier BCL cap 17W (with PCB) http://www.elecfree.com/circuit/car-power -amp/ha1377-bridge-amplifier-bcl-cap-17w/ 2 Transister (C945) tone control mono. http://www.elecfree.com/circuit/tone-cont rol/tone-control-mono-by-2-transister-c94 5/ Simple power supply regulator 12V 15V 30V by Zener diodehttp://www.elecfree.com/circuit/powe r-supply/simple-power-supply-regulator-12 v-15v-30v-by-zener-diode/ 2N3055 Power Amplifier http://www.elecfree.com/circuit/power-amp lifier/2n3055-power-amplifier/ XR2206 Function Generator. http://www.elecfree.com/electronic/xr2206 -function-generator/ 4013 Serial IN-OUT, PARALLEL OUTShift Register http://www.elecfree.com/circuit/digital-c ircuit/4013-serial-in-out-parallel-out-sh ift-register/ Lead Acid Battery Charger with Float http://www.uoguelph.ca/%7Eantoon/gadgets/ labc2.htm 8A Regulated Power Supply for 13.8Vhttp://www.uoguelph.ca/%7Eantoon/cir c/ps13808.html Thermo Alarm http://www.uoguelph.ca/%7Eantoon/circ/the rmo1.html ...
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Electronics Circuits 16
2008-03-04 12:13:00
HA1377 Bridge Amp BCL 17W (with PCB) http://www.elecfree.com/circuit/car-power -amp/ha1377-bridge-amp-bcl-17w/ XR2206 Function Generator.Oscilator http://www.elecfree.com/electronic/xr2206 -function-generator/ LM338 Power Supply Regulator 13.8V 5A http://www.elecfree.com/circuit/power-sup ply/lm338-power-supply-regulator-138v-5a/ Circuit power supply regulator +15V +30V -15V -30V 1 A by Transistor C1061 & 2N3053 http://www.elecfree.com/circuit/power-sup ply/power-supply-regulator-15v-15v-1a-by- ic-7815-7915/ Supply Splitter with IC 741& TIP41,TIP42http://www.elecfree.com/html/5 -13V_Power_Supply_with_IC_7805_CA3140.htm Power Amplifier OTL by AC176+AC126 http://www.elecfree.com/circuit/power-amp lifier/ac176ac126-power-amplifier/ Triangle and Squarewave Generator by 1458 http://www.elecfree.com/circuit/Oscillato r-Generator/triangle-and-squarewave-gener ator/ Inverter 100W by IC 4047 + 2N3055 (with PCB) http://www.elecfree.com/electronic/invert er-100w-b...
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Electronics circuits 14
2008-03-04 12:11:00
TDA1904 Audio Amplifier OTL 4Whttp://www.elecfree.com/circuit/car-pow er-amp/tda1904-audio-amplifier-otl-4w/ 2 Transister (C945) tone control Stereo.http://www.elecfree.com/circuit/to ne-control/tone-control-stereo-by-2-trans ister-c945-2/ Variable 3 - 24 Volt 3 Amp Power Supply http://www.elecfree.com/Variable_3-24V_Vo ltage_and_Current_Power_Supply.php XR2206 Function Generator http://www.elecfree.com/circuit/Oscillato r-Generator/xr2206-function-generator/ Simple power supply regulator 12V 15V 30V by Zener diode http://www.elecfree.com/circuit/power-sup ply/simple-power-supply-regulator-12v-15v -30v-by-zener-diode/ Miniature FM Transmitter #7http://www.uoguelph.ca/%7Eantoon/circ/f mt7.html Voltage Detector http://www.sentex.ca/%7Emec1995/probes/v- probe1.html Wireless Microphone http://www.uoguelph.ca/%7Eantoon/circ/wmi ke.html Thermostat http://www.uoguelph.ca/%7Eantoon/circ/the rmo2.html Basic RF Oscillator #1 http://www.uoguelph.ca/%7Eantoon/circ/rfo sc-1.htm
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Electronics Circuits 13
2008-03-04 12:11:00
TDA1905 Amplifier CAR Audio OTL 5W http://www.elecfree.com/circuit/car-power -amp/TDA1905-Amplifier-CAR-Audio-OTL-5W/ 3 Transister (C945) tone control mono. http://www.elecfree.com/circuit/tone-cont rol/tone-control-mono-by-3-transister-c94 5/ Regulator 5V,6V,9V,12V 1A By IC 7805,7806,7809,7812 http://www.elecfree.com/circuit/power-sup ply/regulator-ic-7805-7806-7809-7812/ High Pass Active Filter by LM741 http://www.elecfree.com/circuit/Oscillato r-Generator/high-pass-active-filter-by-lm 741/ Supply 9VDC no transformerhttp://www.elecfree.com/circui t/power-supply/supply-9vdc-no-transformer / Lithium-Ion Charger, Single cell http://www.uoguelph.ca/%7Eantoon/circ/lit hium.html 9 to 9 pin (Female) Nullmodem Cable http://www.uoguelph.ca/%7Eantoon/circ/nul modem.htm Dark/Light Activated Relay http://www.uoguelph.ca/%7Eantoon/circ/act relay.htm Relays - Sound Activated, #1 http://www.uoguelph.ca/%7Eantoon/circ/rel ay4.html
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Electronics Circuits 12
2008-03-04 12:10:00
TDA1908 Amplifier CAR AUDIO OTL 8Whttp://www.elecfree.com/circuit/car-pow er-amp/car-power-amp_Circuit-02.php 5 Transister (C945) tone control mono. http://www.elecfree.com/circuit/tone-cont rol/tone-control-mono-by-5-transister-c94 5/ Regulator 5V 3A by IC LA5105 http://www.elecfree.com/circuit/power-sup ply/regulator-5v-3a-by-ic-la5105/ 50W OCL Mosfet (K1058 + J162) http://www.elecfree.com/circuit/power-amp lifier/50w-amp-ocl-mosfet-k1058-j162/inde x.php LM338 Power Supply Regulator 13.8V 5A http://www.elecfree.com/circuit/power-sup ply/lm338-power-supply-regulator-138v-5a/ Miniature FM Transmitter #5http://www.uoguelph.ca/%7Eantoon/circ/f mt5.html Test Probes with retractable tipshttp://www.sentex.ca/%7Emec1995/probe s/probes.html Whooper Alarm, #2 http://www.uoguelph.ca/%7Eantoon/circ/who oper2.html Clock Generator http://www.uoguelph.ca/%7Eantoon/circ/clo ck1.htm Audio Booster with 1 Transistorhttp://www.uoguelph.ca/%7Eantoo n/circ/audio/audio1.html
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Electronics Circuits 12
2008-03-04 12:08:00
TDA1910 Amplifier OTL 10W - without mutinghttp://www.elecfree.com/circuit/car -power-amp/tda1910-amplifier-otl-10w-with out-muting/ Active Tone Controls by Transistor http://www.elecfree.com/circuit/tone-cont rol/active-tone-controls-by-transistor/ LM317T Voltage Regulator with Pass Transistorhttp://www.elecfree.com/LM317T_ Voltage_Regulator_Pass_Transistor.php Power Amplifier OCL 40W by 2N3055+MJ2955 http://www.elecfree.com/electronic/40w-am p-ocl-2n3055mj2955/ Mini-Drill variable Powersupplyhttp://www.uoguelph.ca/%7Eanto on/circ/minidril.htm Hobby Kits for your building pleasure http://www.sentex.ca/%7Emec1995/kits/Hobb yKits.html Waterpump Safety Guard for Fish-pond http://www.uoguelph.ca/%7Eantoon/circ/fis hpond.html Simplest RF Transmitter http://www.uoguelph.ca/%7Eantoon/circ/rft 1.htm Bench Top Power Supply, Part 2http://www.uoguelph.ca/%7Eantoon/circ/ps 3010/ps3010b.html Alternating On-Off Switch, #2http://www.uoguelph.ca/%7Eantoon/circ/a lt2.html
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Electronics Circuits 11
2008-03-04 12:06:00
TDA1910 Amplifier OTL 10W - with muting (with PCB) http://www.elecfree.com/circuit/car-power -amp/tda1910-amplifier-otl-10w-with-mutin g/ Treble Booster By 741 http://www.elecfree.com/circuit/tone-cont rol/treble-booster-by-741/ Simple 5V 1A Switching regulator by IC LM2575-5.0 http://www.elecfree.com/electronic/simple -5v-1a-switching-regulator-by-ic-lm2575-5 0/ 30W Amp OTL by TDA2030 +Transistor http://www.elecfree.com/circuit/power-amp lifier/30w-amp-otl-by-tda2030-transistor/ Power Amplifier Mono BCL 10W by IC TDA2005http://www.elecfree.com/electronic /tda2005-mono-power-amp-10w-bcl/ DATA Selector by IC 4066 http://www.elecfree.com/circuit/digital-c ircuit/data-selector-by-ic-4066/ Hot Wire Foam Cutter, 6 http://www3.telus.net/public/aschoepp/hot wire.html Zap Adapter http://www.uoguelph.ca/%7Eantoon/gadgets/ rejuv.html Touch Activated Alarm System http://www.uoguelph.ca/%7Eantoon/circ/ala rm2.htm Red Alert Alarm, #1 http://www.uoguelph.ca/%7Eantoon/circ/Red Alert1.html
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Electronics Circuits 10
2008-03-03 12:42:00
TDA2002 Amplifier 8W CAR RADIO AUDIO (with PCB)http://www.elecfree.com/circuit/car-p ower-amp/tda2002-amplifier-8w-car-radio-a udio/ Pre Tone Control Stereo(bass-mid range-treble) by IC NE5532 http://www.elecfree.com/circuit/tone-cont rol/pre-tone-control-stereo-bass-mid-rang e-treble-by-ic-ne5532/ DC Power Supply 1.25V to 25Vhttp://www.elecfree.com/circuit/power- supply/dc-power-supply-125v-to-25v/ Pre Tone Control Stereo by IC NE5532 http://www.elecfree.com/circuit/tone-cont rol/pre-tone-control-stereo-by-ic-ne5532/ Miniature Tracking Transmitter http://www.uoguelph.ca/%7Eantoon/circ/min ittx/minittx.html Electronic Symbols Template http://www.uoguelph.ca/%7Eantoon/circ/tem plate.html Electronic Canary (Doorbell) http://www.uoguelph.ca/%7Eantoon/circ/can ary.html Single IC Audio Preamplifier http://www.uoguelph.ca/%7Eantoon/circ/amp 2.htm Relays - Dark Activated http://www.uoguelph.ca/%7Eantoon/circ/rel ayldr.html Active Antenna for AM-FM-SWhttp://www.uoguelph.ca/%7Eantoon/ ...
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Electronics Circuits 9
2008-03-03 12:41:00
TDA2006 Amplifier audio OTL 12W with single power supply (with PCB) http://www.elecfree.com/circuit/power-amp lifier/35w-amplifier-bcl-by-tda2030/ Pre Tone Control Stereo by IC NE5532 http://www.elecfree.com/circuit/tone-cont rol/pre-tone-control-stereo-by-ic-ne5532/ Power Amplifier OCL 50W by 741+2N3055+MJ2955 http://www.elecfree.com/circuit/power-amp lifier/power-amp-ocl-by-7412n3055mj2955wi th-pcb/ High power supply regulater 0-30V 20A by LM338http://www.elecfree.com/circuit/powe r-supply/high-power-supply-regulater-0-30 v-20a-by-lm338/ Heat Sensor http://www.uoguelph.ca/%7Eantoon/circ/hea tsens.html Crow Bar #1 http://www.uoguelph.ca/%7Eantoon/circ/SCR -Ovp/SCR-Ovp1.html Pulse Width modulator, 555 http://www.uoguelph.ca/%7Eantoon/circ/pwm 555.html Inverter 100W by IC 4047 + 2N3055 (with PCB)http://www.elecfree.com/circuit/inver ter-converter/inverter-100w-by-ic-4047-2n 3055-with-pcb/ 2 Transister (C945) tone control mono. http://www.elecfree.com/circuit/tone-cont rol/tone-...
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Electronics Circuit 8
2008-03-03 12:40:00
TDA2003 Amplifier Car Audio BCL 18W (with PCB) http://www.elecfree.com/circuit/car-power -amp/tda2003-amplifier-car-audio-BCL-18w/ Bike Light Flasher http://www.elecfree.com/circuit/IC-555/bi ke-light-flasher/ Hot-Wire Foam Cutter, 10 http://www.uoguelph.ca/%7Eantoon/gadgets/ hotwire/hotwire.html Christmas Lights Tester http://www.uoguelph.ca/%7Eantoon/circ/xma sbulb.html DC Power Supply http://www.elecfree.com/circuit/power-sup ply/dc-power-supply/ 4 Transister (C945) tone control mono. http://www.elecfree.com/circuit/tone-cont rol/tone-control-mono-by-4-transister-c94 5/ Aviation Band Receiver http://www.uoguelph.ca/%7Eantoon/circ/avi arx/aviarx.html DSL Filter (phone-line) http://www.uoguelph.ca/%7Eantoon/circ/dsl filt.html 60W RF Linear amplifier by mosfet IRF840 http://www.elecfree.com/circuit/power-amp lifier/power-amp-mosfet-ocl-60w-by-k134-a nd-j49-with-pcb/ Hot Wire Foam Cutter, 7 http://www.vatsaas.org/rtv/construction/h otwirecutter.aspx
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Electronics Circuit 7
2008-03-03 12:39:00
TDA2003 Amplifier BCL (low cost) 18W for CAR (with PCB)http://www.elecfree.com/circuit/car-p ower-amp/tda2003-amplifier-bcl-low-cost-1 8w-for-car/ Super Flashing Light http://www.elecfree.com/circuit/circuit-l ight/super-flashing-light-by-c1061/ Power Amplifier ocl 60W by MOSFET K134 and J49 with PCBhttp://www.elecfree.com/circuit/power- amplifier/power-amp-mosfet-ocl-60w-by-k13 4-and-j49-with-pcb/ Clock Pulse Generator by IC 4049 http://www.elecfree.com/circuit/digital-c ircuit/ic-4049-clock-pulse-generator/ Hot Wire Foam Cutter, 1 http://nsrca.org/technical/tip_tricks/foa m_cutter/foam_cutting_power_supply.htm RJ45 Cable Tester http://www.atomiccomputers.com/projects/c at5t.html Power Supply Converted from a PC http://web2.murraystate.edu/andy.batts/ps /powersupply.htm Circuit power supply regulator +15V +30V -15V -30V 1 A by Transistor C1061 & 2N3053http://www.elecfree.com/circuit/pow er-supply/power-supply-regulator-15v-15v- 1a-by-ic-7815-7915/ Power supply regulator 0...
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electronics Circuits 6
2008-03-03 12:38:00
TDA2006 Amplifier Car audio OTL 12W (with PCB) http://www.elecfree.com/circuit/car-power -amp/tda2006-amplifier-car-audio-otl-12w/ In Circuit Transistor Checker http://www.elecfree.com/circuit/IC-555/in -circuit-transistor-checker/ Power Amplifier OCL 100W Mosfet J162 + K1058 http://www.elecfree.com/circuit/power-amp lifier/power-amplifier-ocl-100w-mosfet-j1 62-k1058/ Programmable Gain Amplifier by CD4066 http://www.elecfree.com/circuit/digital-c ircuit/programmable-gain-amplifier-by-cd4 066/ Glowplug Driver (a) http://www.uoguelph.ca/%7Eantoon/gadgets/ glow.htm Glowplug Panel (b) http://www.uoguelph.ca/%7Eantoon/gadgets/ pp.htm Solar Cell NiCad Charger http://www.uoguelph.ca/%7Eantoon/gadgets/ solar1g.htm Motorcycle Brake Light Flasher http://www.uoguelph.ca/%7Eantoon/circ/mot flash.html 40W Amplifier OCL 2N3055+MJ2955 http://www.elecfree.com/circuit/power-amp lifier/40w-amp-ocl-2n3055mj2955/ Lead Acid Battery Charger (LM317) http://www.uoguelph.ca/%7Eantoon/circ/lab c3.html
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Electronics Circuits 5
2008-03-03 12:37:00
TDA2006 Amplifier audio OTL 12W with single power supply (with PCB) http://www.elecfree.com/circuit/power-amp lifier/35w-amplifier-bcl-by-tda2030/ 9-V Stabilized Powersupply http://www.uoguelph.ca/%7Eantoon/circ/9vs table.htm Active Tone Controls by Transistor http://www.elecfree.com/circuit/tone-cont rol/active-tone-controls-by-transistor/ Bench Top Power Supply, Part 3 http://www.uoguelph.ca/%7Eantoon/circ/ps3 010/ps3010c.html Power Amp OCL 100W by Transister MJ15003,MJ15004(with PCB) http://www.elecfree.com/circuit/power-amp lifier/power-amp-ocl-100w-by-transister-m j15003mj15004/ 555 Asymmetric Timer http://www.elecfree.com/circuit/IC-555/55 5-asymmetric-timer/ 7805+Mj2955 power supply 5V 5A for digital circuit. http://www.elecfree.com/circuit/power-sup ply/7805-mj2955-power-supply-5v-5a-for-di gital-circuit/ Solid State Relayhttp://www.uoguelph.ca/%7Eantoon/cir c/solidstate.html Amplifier OTL 100W by 2N3055 (with PCB) http://www.elecfree.com/circuit/power-amp lifier/ci...
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Electronics Circuits 4
2008-03-03 12:36:00
TDA2005 Amplifier Car audio BCL 20W (with PCB) http://www.elecfree.com/circuit/car-power -amp/tda2005-amplifier-car-audio-bcl-20w/ 555 IC Timer control relay Switch http://www.elecfree.com/circuit/IC-555/55 5-ic-timer-control-relay-switch/ Power Amplifier Mono BCL 10W by IC TDA2005http://www.elecfree.com/electronic /tda2005-mono-power-amp-10w-bcl/ DC_to_DC_Converter_mini http://www.elecfree.com/12Volt_to_220_Vol t_Inverter_500W_Transistor.php IC Digital 555 Pulse Generator http://www.elecfree.com/circuit/Oscillato r-Generator/ic-digital-555-pulse-generato r/ Regulator 5V,6V,9V,12V 1A By IC 7805,7806,7809,7812 http://www.elecfree.com/circuit/power-sup ply/regulator-ic-7805-7806-7809-7812/ Hot Wire Foam Cutter, 8 http://www.dansworkshop.com/Hot%20wire%20 foam%20cutting.shtml Crow Bar #2http://www.uoguelph.ca/%7Eantoon/circ/S CR-Ovp/SCR-Ovp2.html Car Converter for 12V to 9V http://www.uoguelph.ca/%7Eantoon/circ/car 912.htm Motorcycle Battery Charger http://www.uoguelph.ca/%7Ean...
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Electronics Circuit 3
2008-03-03 12:34:00
TDA2004 Amplifier Car audio stereo OTL 10W+10W (with PCB)http://www.elecfree.com/circuit/car-p ower-amp/tda2004-amplifier-car-audio-ster eo-otl-10w10w/ Gate Alarm by IC 4011 http://www.elecfree.com/circuit/digital-c ircuit/gate-alarm-by-ic-4011/ High power supply regulater 0-30V 20A by LM338 http://www.elecfree.com/circuit/power-sup ply/high-power-supply-regulater-0-30v-20a -by-lm338/ Triangle and Squarewave Generator by IC 40106 http://www.elecfree.com/circuit/Oscillato r-Generator/triangle-and-squarewave-gener ator-by-ic-40106/ Regulator 5V 3A by IC LA5105http://www.elecfree.com/circuit/pow er-supply/regulator-5v-3a-by-ic-la5105/ Infra Red Switch control by normal remote http://www.elecfree.com/circuit/digital-c ircuit/infra-red-switch-control-by-normal -remote/ PCB's 4sale http://www.sentex.ca/%7Emec1995/pcb/pcb.h tml DC Motor Control Circuit http://www.mitedu.freeserve.co.uk/Circuit s/Switching/dcmotor.html Bug Detector http://www.uoguelph.ca/%7Eantoon/circ/Bug Detec/BugDe...
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Electronics Circuits 2
2008-03-03 12:30:00
TDA2009 Ampl BCL 18Whttp://www.elecfree.com/circuit/car-po wer-amp/tda2009-ampl-bcl-18w/ No-Hassle 3rd Brakelight hookup http://www.uoguelph.ca/%7Eantoon/circ/3br ake.htm Car Back-up Alarm http://www.uoguelph.ca/%7Eantoon/circ/bac kup1.html Crystal Radio--make your own http://www.uoguelph.ca/%7Eantoon/circ/whi sker1.html 7.2V Field Charger (.pdf file) http://www.uoguelph.ca/%7Eantoon/circ/7.2 V-Charger.pdf Lantern Flasher/Dimmer http://www.uoguelph.ca/%7Eantoon/circ/lan tern.htm Power supply regulator +15V -15V 1A by IC 7815 & 7915 http://www.elecfree.com/circuit/power-sup ply/power-supply-regulator-15v-15v-1a-by- ic-7815-7915/ Pulse Generator (Power) by IC LM350 and 555 http://www.elecfree.com/circuit/Oscillato r-Generator/power-pulse-generator-lm350t/ LM338 - 5 Amp Adjustable Regulator http://www.elecfree.com/LM338-5Amp_Adjust able_Regulator.php American Police Car Siren by IC 555 http://www.elecfree.com/circuit/IC-555/am erican-police-car-siren-by-ic-555/
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Electronics Circuits 1
2008-03-03 12:26:00
Power Amplifier Mono BCL 20W by IC TDA2005http://www.elecfree.com/circuit/ca r-power-amp/tda2005-mono-power-amp-20w-bc l/Circuit Door Buzzer by NE555 + LM386http://www.elecfree.com/circuit/IC-5 55/circuit-door-buzzer-by-ne555-lm386/Ast able Multivibrator by IC LM3900 http://www.elecfree.com/circuit/Oscillato r-Generator/astable-multivibrator-by-ic-l m3900/Fox & Hound, wire tracerhttp://www.uoguelph.ca/%7Eantoon/ci rc/foxhound.htmlRelays - Delayed Turn-onhttp://www.uoguelph.ca/%7Eantoon/c irc/relay61.htmlTDA1904 Audio Amplifier OTL 4Whttp://www.elecfree.com/circuit/car-pow er-amp/tda1904-audio-amplifier-otl-4w/Hea dlight Flasherhttp://www.elecfree.com/circuit/IC -555/headlight-flasher/Power supply regulator +15V -15V 1A by IC 7815 & 7915http://www.elecfree.com/circuit/power -supply/power-supply-regulator-15v-15v-1a -by-ic-7815-7915/Plant Moisture Meter IC 741http://www.elecfree.com/circuit/Meter- test-circuit/led-bargraph-readout-by-ic-l m339/Inverter 100W by IC 4047 + 2N3055 (with PCB)http...
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Free Download electronics - Electronics and electrical magazines, Other rel
2008-02-21 08:16:00
Electronics and electrical magazines 2005 http://rapidshare.com/files/1057010/Elekt or_2005-01.rar.htmlhttp://rapidshare.com/ files/1057852/Elektor_2005-02.rar.htmlhtt p://rapidshare.com/files/1040285/Elektor_ 2005-03.rar.htmlhttp://rapidshare.com/fil es/1037140/Elektor_2005-04.rar.htmlhttp:/ /rapidshare.com/files/1031970/Elektor_200 5-05.rar.htmlhttp://rapidshare.com/files/ 1034571/Elektor_2005-06.rar.htmlhttp://ra pidshare.com/files/1060376/Elekto...-07_0 8.rar.htmlhttp://rapidshare.com/files/106 2234/Elektor_2005-09.rar.htmlhttp://rapid share.com/files/1041509/Elektor_2005-10.r ar.htmlhttp://rapidshare.com/files/104429 1/Elektor_2005-11.rar.htmlhttp://rapidsha re.com/files/1055111/Elektor_2005-12.rar. htmlElectronics and electrical magazines 2006http://rapidshare.com/files/1063942/0 1-_2006.rar.htmlhttp://rapidshare.com/fil es/1066106/02-_2006.rar.htmlhttp://rapids hare.com/files/1066706/03-_2006.rar.htmlh ttp://rapidshare.com/files/1067581/04-_20 06.rar.htmlhttp://rapidshare.com/files/10 69150/05-_2...
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Free Download Electronics - Cracking the Data Encryption Standard, Electron
2008-02-21 08:15:00
Brute Force: Cracking the Data Encryption StandardDownload http://rapidshare.com/files/66175284/desh _acking.rar Electronics and electrical magazines 2004 http://rapidshare.com/files/1007608/Elekt or_2004-01.rar.htmlhttp://rapidshare.com/ files/1011163/Elektor_2004-02.rar.htmlhtt p://rapidshare.com/files/986466/Elektor_2 004-03.rar.htmlhttp://rapidshare.com/file s/988218/Elektor_2004-04.rar.htmlhttp://r apidshare.com/files/990155/Elektor_2004-0 5.rar.htmlhttp://rapidshare.com/files/992 298/Elektor_2004-06.rar.htmlhttp://rapids hare.com/files/1014434/Elekto...-07_08.ra r.htmlhttp://rapidshare.com/files/996823/ Elektor_2004-09.rar.htmlhttp://rapidshare .com/files/999156/Elektor_2004-10.rar.htm lhttp://rapidshare.com/files/1001420/Elek tor_2004-11.rar.htmlhttp://rapidshare.com /files/1003311/Elektor_2004-12.rar.html MCSA/MCSE Self-Paced Training Kit (Exam 70-299):Implementing and Administering Security in a Microsoft Windows Server 2003 NetworkDownload http://rapidshare.com/files/65991308/0735 ...
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