Sr. No Physics Projects Rate1 Home Appliance Control Using TV Remote2 Tank Overflow Preventer3 Remote Control for Toy Car4 Laser-based Intruder Alarm5 Gas Leakage Alarm6 Dew-Point Sensor7 Infrared Illuminator8 Motion Sensor for Security Light9 Bipolar Transistor Tester10 Digital Thermometer11 Water-Level Indicator Using 7-segment Display12 Automatic Light Controller Using 780613 Anti sleep Alarm for Students14 Numeric Water-level Indicator15 Versatile Probe16 Simple Sensitive Remote Control Tester17 Pyroelectric Fire Alarm18 Transistorised Logic Probe for TTL19 Constant-Current Battery Charger20 Liquid Level Alarm21 Skin Response Meter22 Solar Panel based Charger and Small LED Lamp23 Remote-operated Master Switch24 Triple Power Supply25 Smart Hearing Aid26 Midnight Security Light27 Automated Alarm Circuits28 Laser-guided Door Opener29 Battery-level Indicator30 Traffic Controller31 Night Alert32 Wireless Switch33 Three-Phase Appliance Protector34 Aquarium Probe35 Bicycle Indicator36 Poor Man’s Hearing Aid37 Portable Lamp Flasher38 Car Anti-theft Guard39 USB Power Booster40 Smart Vibration Sensor41 Drinking Water alarm42 Tester For Remote Control43 Automatic Low-Power Emergency Light44 Current Sensor45 Seismic Sensor46 Motorbike Alarm47 Desktop Power Supply48 PC Temperature Alarm49 Mobile Shield

50 Automatic Phase Changer51 Clock Timer52 Fully Automatic Emergency Light53 Electronic Horn54 Darkroom Timer55 Water level indicator With Alarm56 Precision Amplifier with Digital Control57 Security System Switcher58 Digital Speedometer59 House Security System60 Long Range IR Transmitter61 Telephone Conversation Recorder62 Automatic Dual Output Display63 Digital Dice With Numeric Display64 2-Line Intercom-Cum-Telephone Line Changeover Circuit65 Teleremote Control66 Programmable LED Indicator67 Touch Sensitive Musical Bell With Timer68 Staircase Light With Auto Switch-Off69 Tiny Dew Sensor70 Telephone Ringer Using Timer ICs71 Power Supply Failure Alarm72 Protection for Your Electrical Appliance73 Simple Code Lock74 PC-based 7 Segment Rolling Display75 Automatic Room Power Control76 Fuild Level Detector77 Accurate Electronic Stop Watch78 Sensitive Temperature Switch79 Ramp Controlled Light80 Shortwave Transmitter81 Programmable Door-Bell with Flashing LEDS82 Parallel Telephone With Secrecy83 Magnetic Proximity Switch84 Electronic Card-Lock System85 Blown Fuse Indicator86 LED-Based Message Display87 Water-LeveL Controller88 Fastest finger first-indicator89 Musical 'Touch' Bell90 Contactless AC Mains Voltage Detector91 Fire Alarm92 Short Wave AM Transmitter93 Solidstate Auto Power off on Mains Failure94 Automatic Emergency Torch95 Automatic Emergency Light96 Versatile CMOS TTL Logic and Clock Probe97 A Hierarchical Priority Encoder98 Digital Mains Voltage Indicator99 Automatic Speed Controller For Fans and Coolers

100 Long-range FM Transmitter101 Self Switch Power Supply102 Electrical Equipment Control Using PC103 Sleep Switch Cum Wake Timer104 Simple Analogue To Digital Converter105 Digital Switching System106 Frequency Measurement Using PC107 Miniature Strobe Light108 Clap Remote109 Smart Phone Light110 Handy Zener Diode Tester111 High & Low Voltage Cutout112 Color Sensor113 Running Message Display114 Automatic Temperature Controlled Fan115 Clap Switch116 Ultrasonic Proximity Detector117 Variable Power Supply Using a Fixed-Voltage Regulator IC118 Appliance Timer-Cum-Clap Switch119 Bell-Cum Light Controller120 Friendly Charger for Mobile Phones121 Hearing Aid122 Speed Control of DC Motor Using Pulse-Width Modulation123 Remote-Controlled Fan Regulator124 School-College Quiz Buzzer125 Solar Lighting System126 Infrared Bug127 Versatile Power Supply128 Shadow Alarm129 Versatile Water-Level Controller130 Remote-Controlled Power-Off Switch131 Stress Meter132 Heat-Sensitive Switch133 Sensitive Vibration Detector134 Fuel Reserve Indicator For Vehicles135 Brake Failure Indicator136 Safety Guard137 Mains Supply Failure Alarm138 Remote Control For Home Appliances139 Auto Turn-Off Battery Charger140 Fire Alarm Using Thermistor141 Electronic Watchdog142 Automatic School Bell143 Anti-Theft Alarm For Bikes144 DC Motor Control Using A Single Switch145 Solidstate Remote Control Switch146 Flashing-Cum-Running Light147 Digital Stop Watch148 Cell-Phone-Controlled Audio Video Mute Switch149 PC-Based DC Motor Speed Controller

150 Low-Cost Electronic Quiz Table151 Mobile Cellphone Charger152 Remote-Operated Musical Bell153 Electronic Motor Starter154 Low-Cost Hearing Aid155 Infrared Remote Control Timer156 Multi-Switch Doorbell With Indicators157 Electronic Security System158 Lead-Acid Battery Charger With Voltage Analyser159 Ultra-Bright LED Lamp160 Three-Colour Display Using Bicolour LEDs161 Intruder Radio Alert System162 Automated Traffic Signal Controller163 Infrared Toy Car Motor Controller164 Mains Manager165 IR Remote Switch166 FM Booster167 Laser Torch-Based Voice Transmitter And Receiver168 Mobile Phone Battery Charger169 DTMF Proximity Detector170 Versatile Zener Diode Tester171 9-Line Telephone Sharer172 Automatic Heat Detector173 IR Remote Control174 Car Anti-Theft Wireless Alarm175 Charge Monitor For 12V Rechargeable Lead-Acid Battery176 Dual-Channel Digital Volume Control177 Infrared Cordless Headphone178 Simple Low-Cost Digital Code Lock179 Electronic Jam180 Wiper Speed Controller181 IC Controlled Emergency Light With Charger182 Colour Sensor183 Universal High-Resistance Voltmeter184 Tank Overflow Preventer185 Capacitance Bridge186 Darkness Controlled Light Switch