Electronics For You – Projects and Ideas 2000 PDF

Electronics For You - Projects and Ideas 2000

Content of Electronics For You – Projects and Ideas 2000

CONSTRUCTION PROJECTS
1) MICROPROCESSOR-CONTROLLED TRANSISTOR LEAD IDENTI
2) CONVERSION OF AUDIO CD PLAYER TO VIDEO CD PLAYERCIRCUIT IDEAS
1) MULTIPURPOSE CIRCUIT FOR TELEPHONES —
21 SIMPLE CODE LOCK
3) AUTOMATIC BATHROOM LIGHT
4) SMART FLUID LEVEL INDICATOR
5) AUTOMATIC SCHOOL BELL SYSTEM
6) DESIGNING AN RE PROBE
FEBRUARY 2000
CONSTRUCTION PROJECTS
1) PC BASED SPEED MONITORING SYSTEM 2) STEREO CASSETTE PLAYER
CIRCUIT IDEAS
1) BASS AND TREBLE FOR STEREO SYSTEM 2) PROTECTION FOR YOUR ELECTRICAL APPLIANCES 3) DIGITAL WATER LEVEL METER 4) UNIVERSAL HIGH-RESISTANCE VOLTMETER 5) TRIAC TRANSISTOR CHECKER 6) A NOVEL METHOD OF FREQUENCY VARIATION USING 555
MARCH 2000
CONSTRUCTION PROJECTS
1) RESONANCE TYPE LC METER
2) ELECTROLYSIS-PROOF COMPLETE WATER-LEVEL SOLUTION – CIRCUIT IDEAS
1) PENDULUM DISPLAY 2) AUDIO LEVEL INDICATOR
3) CLEVER RAIN ALARM
4) LASER CONTROLLED ON/OFF SWITCH
5) TELEPHONE CONVERSATION RECORDER
6) SIMPLE AND ECONOMIC SINGLE PHASING PREVENTOR
APRIL 2000
CONSTRUCTION PROJECTS
1) SMART CLAP SWITCH
2) ELECTRONIC VOTING MACHINE
CIRCUIT IDEAS
1) WATER TANK LEVEL METER
2) PHONE BROADCASTER–
3) TELEPHONE CALL METER USING CALCULATOR AND COB
4) SIMPLE ELECTRONIC CODE LOCK
5) LATCH-UP ALARM USING OPTO-COUPLER
6) MINI VOICE-PROCESSOR

MAY 2000
CONSTRUCTION PROJECTS
1) DIGITAL NUMBER SHOOTING GAME –
2) PC INTERFACED AUDIO PLAYBACK DEVICE: M-PLAYER CIRCUIT IDEAS
1) STEPPER MOTOR DRIVER— 2) ELECTRONIC DIGITAL TACHOMETER 3) LIGHT-OPERATED LIGHT SWITCH 4) PRECISION DIGITAL AC POWER CONTROLLER 5) LUGGAGE SECURITY SYSTEM
JUNE 2000
CONSTRUCTION PROJECTS
1) PORTABLE OZONE GENERATOR
2) CONFERENCE TIMER CIRCUIT IDEAS
1) ADD-ON STEREO CHANNEL SELECTOR 2) WATER TEMPERATURE CONTROLLER 3) EMERGENCY UGHT 4) PARALLEL TELEPHONES WITH SECRECY – 5) TWO-DOOR DOORBELL 6) POWERFUL PEST REPELLER
JULY 2000
CONSTRUCTION PROJECTS
1) BUILD YOUR OWN C-BAND SATELLITE TV RECEIVER
2) EPROM-BASED PROGRAMMABLE NUMBER LOCK — CIRCUT YDERS
1) POWER SUPPLY FAILURE ALARM 27 STOPWATCH SWG COR AND CALCULATOR 3) DIAL A VOUAGE 4) ELECTRONIC DANCING PEACOCK 5) INVERTER OVERLOAD PROTECTOR WITH DELAYED AUTO RESET 6) TELEPHONE LINE BASED AUDIO MUTING AND LIGHT-ON CIRCUIT
AUGUST 2000
CONSTRUCTION PROJECTS
1) DISPLAY SCHEMES FOR INDIAN LANGUAGES PART I (Hardware and software) —
2) 8085 WP-KIT BASED SIMPLE IC TESTER CIRCUIT IDEAS
1) LOW COST PCO BILLING METER – 2) AUTOMATIC MUTING CIRCUIT FOR AUDIO SYSTEMS 3) 2-LINE INTERCOM CUM TELEPHONE LINE CHANGEOVER CIRCUIT 4) GUARD FOR REFRIGERATORS AND AIR-CONDITIONERS 5) RADIO BAND POSITION DISPLAY

SEPTEMBER 2000
CONSTRUCTION PROJECTS
1) DISPLAY SCHEMES FOR INDIAN LANGUAGESPART 2) DIGITAL CODE LOCK
Hardware and software) —-
CIRCUIT IDEAS
1) BINARY TO DOTMATRIX DISPLAY DECODER DRIVER 2) AUTOMATIC SPEED-CONTROLLER FOR FANS AND COOLERS 3) BLOWN PUSE INDICATOR – 4) OVER, UNDER-VOLTAGE CUT-OFF WITH ON-TIME DELAY
5) ONE BUTTON FOR STERUN, AND HALT COMMANDS OCTOBER 2000
CONSTRUCTION PROJECTS
1) MOSFET-BASED SHP SINE WAVE UPS-CUM-EPS2) R-R DVA CONVERTER-BASED FUNCTION GENERATOR USING PIC16CB4 MICROCONTR
ORCUIT IDEAS
1) SIMPLE SWITCH MODE POWER SUPPLY 2) TOILET INDICATOR 3) FEATHER-TOUCH SWITCHES FOR MAINS – 4) DIGITAL FAN REGULATOR 5) TELEPHONE RINGER USING TIMER KS.
NOVEMBER 2000
CONSTRUCTION PROJECTS
1) PC-TO-PC COMMUNICATION USING INFRARED LASER BEAM2) MULTI-EFFECT CHASER LIGHTS USING 8051 MICROCONTROLLER
CIRCUIT IDEAS
1) AUTOMATIC BATTERY CHARGER2) TEMPERATURE MEASUREMENT INSTRUMENT – 3) VOICE BELL 4) MOVING CURTAIN DISPLAY …… …….. 5) PROXIMITY DETECTOR
DECEMBER 2000
CONSTRUCTION PROJECTS
1) ELECTRONIC BELL SYSTEM 2) SIMPLE TELEPHONE RECORDING ANSWERING MACHINE
GRCUIT IDEAS
1) MULTICHANNEL CONTROL USING SOFT SWITCHES 2) AN EXCLUSIVE SINEWAVE GENERATOR 3) TTL THREE-STATE LOGIC PROBE 4) AM 058 TRANSMITTER FOR HAMS 5) GROUND CONDUCTIVITY MEASUREMENT 6) STEPPER MOTOR CONTROL VIA PARALLEL PORT

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