Hallo My Name is VIJAYA KUMAR. I am Living In KHAMMAM. I Entrusts electronic projects. I Collected electronic projects. click and downloads this projects.

1
Shutter Guard
2Desktop Power Supply
3Mobile Shield
4Infrared Firecracker Igniter 5Automatic Phase Changer 6Flying Saucer 7Anti-Collision Rear Light 8Light Fence 9MAT Switch 105-Band Graphic Equaliser 11Clock Timer 12Fully Automatic Emergency Light 13IR Music Transmitter and Receiver 14Electronic Horn 15Ultrasonic Proximity Detector
16Secret Bell
17Variable Power Supply Using a Fixed-Voltage Regulator IC
18Appliance Timer-Cum-Clap Switch
19Telephone-Operated Calling System
20Front Door Guard
21Bell-Cum Light Controller
22Friendly Charger for Mobile Phones
23Hearing Aid
24Speed Control of DC Motor Using Pulse-Width Modulation
25Remote-Controlled Fan Regulator
26Low-Power Voltage Doubler
27Parrot-Sounding AC Doorbell
28Multi-Melody Generator With Instrumental Effect
29School/College Quiz Buzzer
30Visual AC Mains Voltage Indicator
31Simple Short-Wave Transmitter
32Solar Lighting System
33Infrared Bug
34Picnic Lamp
35Versatile Power Supply
36Ultrasonic Proximity Detector
37Shadow Alarm
38IR Burglar Deterrent
39Versatile Water-Level Controller
40Automatic-Off Timer For CD Players
41Heat-Sensitive Switch
42Sensitive Vibration Detector
43Digital Dice
44Remote-Controlled Power-Off Switch
45Little Door Guard
46Stress Meter
47eleconferencing System
48Medium-Power FM Transmitter
49Smart Cellphone Holder
50Fuel Reserve Indicator For Vehicles
51Brake Failure Indicator
52Safety Guard
53Mains Supply Failure Alarm
54Remote Control For Home Appliances
55Micromotor Controller
56Solar Bug
57Simple Digital Security System
58Digital Audio/Video Input Selector
59Auto Turn-Off Battery Charger
60Atmel AVR ISP Dongle
61Audio Amplifier for Personal Stereo
62Musical Light Chaser
63Water-Level Controller
64Hit Switch
65Fire Alarm Using Thermistor
66Electronic Watchdog
67Automatic School Bell
68Anti-Theft Alarm For Bikes
69DC Motor Control Using A Single Switch
70Solidstate Remote Control Switch
71Flashing-Cum-Running Light
72Quality FM Transmitter
73Stabilised Power Supply With Short-Circuit Indication
74Digital Stop Watch
75Cell-Phone-Controlled Audio/Video Mute Switch
76PC-Based DC Motor Speed Controller
77Child's Lamp
78Watchman Watcher
79Highway Alert Signal Lamp
80Low-Cost Electronic Quiz Table
81Mobile Cellphone Charger
82Smart Foot Switch
83Programmable Timer for Appliances
84Anti-Bag-Snatching Alarm
85LED-Based Message Display
86Multiband CW Transmitter
87Automatic Night Lamp With Morning Alarm
88Touch Dimmer
89Mosfet-Based Preamplifier for FM Radio DXing
90Non-Contact Power Monitor
91Remote-Operated Musical Bell
92Electronic Motor Starter
93Telephone Receiver
94Washing Machine Motor Controller
95Low-Cost Hearing Aid
96Over-/Under-Voltage Protection of Electrical Appliances
97Parallel Telephone With Secrecy and Call Prevention
98Voltage-Based Controller For Switches
99DTMF Receiver IC MT8870 Tester
100Pulse Generator
101Infrared Remote Control Timer
102Clap Switch
103Multi-Switch Doorbell With Indicators
104Song Number Display
105Lead-Acid Battery Charger With Voltage Analyser
106Electronic Security System
107Three-Colour Display Using Bicolour LEDs
108Ultra-Bright LED Lamp
109Computerised Universal Timer
110Number Guessing Game
111PC-Based Oscilloscope
112Intruder Radio Alert System
113Flashing Beacon
114Knock Alarm
115Automated Traffic Signal Controller
116Infrared Toy Car Motor Controller
117Mains Manager
118Crystal-Controlled Time-Base Generator
119Mains Operated Christmas Star
120Music On-Hold For Telephones
121Solidstate Switch For DC-Operated Gadgets
122Ding-Dong Bell
123IR Remote Switch
124Shortwave Transmitter
125FM Booster
126Laser Torch-Based Voice Transmitter And Receiver
127Mobile Phone Battery Charger
128Fastest Finger First Indicator
129Condenser Mic Audio Amplifier
130DarkRoom Timer
131Speller Effect Sign Display
132Stereo Tape Head Preamplifier For PC Sound Card
133A Hierarchical Priority Encoder
134Digital Mains Voltage Indicator
135Water-Level Controller
136Invisible Broken Wire Detector
137Anti-Theft Security For Car Audios
138Simple Telephone Ring Tone Generator
139Versatile Zener Diode Tester
140DTMF Proximity Detector
141Under-/Over-Voltage Beep for Manual Stabiliser
14215-Step Digital Power Supply
143Auto Shut-off For Cassette Players And Amplifiers
144House Security System
145Generation Of 1-Sec. Pulses Spaced 5-Sec. Apart
1469-Line Telephone Sharer
147Musical ‘Touch’ Bell
148Automatic Heat Detector
149Single Phase Electronic Starter
150Precision Amplifier With Digital Control
151Precision Attenuator With Digital Control
152Infrared Electronic Shooting Game
153Telephone Ringer Using Timer ICs
154Blown Fuse Indicator
155Automatic Speed-Controller For Fans and Coolers
1562-Line Intercom-Cum-Telephone Line Changeover Circuit
157Low-Cost PCO Billing Meter
158Telephone Line Based Audio Muting And Light-On Circuit
159Power-Supply Failure Alarm
160Add-On Stereo Channel Selector
161Parallel Telephones With Secrecy
162Telephone Number Display
163Luggage Security System
164Precision Digital AC Power Controller
165Phone BroadCaster
166Telephone Call Meter Using Calculator And COB
167Telephone Conversation Recorder
168Universal High-Resistance Voltmeter
169Protection For Your Electrical Appliances
170Simple Code Lock
171Time Switch
172Digital Speedometer
173Long-Range FM Transmitter
174Self-Switching Power Supply
175Electrical Equipment Control Using PC
176Teleremote Control
177Low-Cost Transistorised Intercom
178Charge Monitor For 12V Rechargeable Lead-Acid Battery
179Cordless Phone Backup
180Sleep-Switch Cum Wake-up Timer
181Simple Analogue To Digital Converter
182Dual-Channel Digital Volume Control
183Infrared Cordless Headphone
184Magnetic Proximity Switch
185Simple Low-Cost Digital Code Lock
186Ultra Low Drop Linear Regulator
187Simple Sensitive Remote Control Tester
188Electronic Scoring Game
189Tiny Dew Sensor
190Electronic Jam
191Precision 1Hz Clock Generator Using Chip-On-Board
192Digital Switching System
19340-Metre Direct Conversion Receiver
194Frequency Measurements Using PC
195Contactless AC Mains Voltage Detector
196PC-Based 7-Segment Rolling Display
197Electronic Card-Lock System
198Miniature Strobe Light
199Automatic Dual-Output Display
200CD-ROM Drive As Digital-Audio CD-Player
201Clap Remote
202Wiper Speed Controller
203Water Level Indicator With Alarm
204IC Controlled Emergency Light With Charger
205Auto Reset Over/Under Voltage Cut-Out
206Smart Phone Light
207Automatic Emergency Light
208Telecom Headset
209Automatic Room Power Control
210Handy Zener Diode Tester
211Telephone Line Vigilant
212High and Low Voltage Cutout With Delay and Melody
213Colour Sensor
214Running Message Display
215Low Current, High Voltage Power Supply
216Audio-Visual Extra Ringer For Phone
217Solidstate Auto Power-Off/On Mains Failure
2187MHz CW/AM QRP Transmitter
219Intelligent Switch
220Fluid Level Detector
221Programmable Door-Bell With Flashing LEDs
222Clap Switch
223Computerised Morse Code Generator/Transmitter
224Accurate Electronic Stop-Watch
225Magic Lights
226Digital Dice With Numeric Display
227Sensitive Temperature Switch
228Automatic Temperature Controlled Fan
229Watch-Dog for Telephones
230FM Transmitter For Channel Changer
231UPS For Cordless Telephones
232Touch-Sensitive Musical Bell With Timer
233Programmable LED Indicator
234Economical Pump Controller
235Fire Alarm
236Short Wave AM Transmitter
237Automatic Emergency Torch
238Ramp Controlled Light
239Simple Intercom Circuit
240Tank Overflow Preventer
24133-Volt Tunning Voltage
242Appliance Timer
243Electronic Code Lock
244Flashing Brakelight
245IR Remote Control
246Car Anti-Theft Wireless Alarm
247Divide-By-N Counter Realisation Using ICs CD4033 And CD4017
248Soft Musical Telephone Ringer
249Low Cost Transistorised Inverter
250Automatic Telephone Answering Machine
251Hourly Chime Function Generator
252Programmable Priority Time Switch
253Digital Volume Control
254Extension Phone Switcher
255Battery Opeated High Voltage Source
256Handy Telephone Receiver
257A Highly Efficient DC Lamp Dimmer
258Low Cost Automatic Gate LIght With A Musical Bell
259Automatic Switch For Audio Power Amplifier
260Capacitance Bridge
261Darkness Controlled Light Switch
262AF/RF Signal Tracer
263Automatic Temperature Controller
264Simple Logic Probe
265Telephone Amplifier
266Ready -To-Use Object Counter
267Four-In-One Burglar Alarm
268Telephone Call Counter
269Water Level Controller Using 3-Phase Starter
270Running Lights Effect
271Programmable Musical Bell
272Solidstate Relay with Under/Over Voltage Protection
273Adjustable Dancing Lights
274Ultrasonic Switch
275Off-Line Telephone Tester