| S No. | Circuit Name | Hits |
| 1 | High-Intensity, Energy-efficient LED Light | 5000 |
| 2 | Bipolar Transistor Tester | 2590 |
| 3 | Digital Thermometer | 8532 |
| 4 | Mobile Electronic Workbench | 7934 |
| 5 | Weekly Reminder | 7882 |
| 6 | Electronic Dice Using AT89C2051 | 5612 |
| 7 | Digital Timer Enhancement | 7923 |
| 8 | Water-Level Indicator Using 7-segment display | 14175 |
| 9 | Automatic Light Controller Using 7806 | 16969 |
| 10 | Spy Ear | 17626 |
| 11 | Antisleep Alarm for Students | 26109 |
| 12 | Four-Stage FM Transmitter | 13622 |
| 13 | Numeric Water-level Indicator | 18114 |
| 14 | Versatile Probe | 7594 |
| 15 | Electronic Candles | 31223 |
| 16 | Simple Sensitive Remote Control Tester | 4834 |
| 17 | Pyroelectric Fire Alarm | 13701 |
| 18 | Telephone Call Recorder | 23364 |
| 19 | DuoPhone | 19325 |
| 20 | Mini UPS System | 41190 |
| 21 | Car-Reversing Horn With Flasher | 15569 |
| 22 | Short-Circuit Protection in DC Low-Voltage Systems | 14423 |
| 23 | Inverter for Soldering Iron | 22361 |
| 24 | Transistorised Logic Probe for TTL | 8899 |
| 25 | Constant-Current Battery Charger | 22532 |
| 26 | Multitone Siren | 16947 |
| 27 | Generator Room Light | 23419 |
| 28 | Liquid Level Alarm | 29647 |
| 29 | PC Power Manager | 19553 |
| 30 | Skin Response Meter | 30021 |
| 31 | Solar Panel based Charger and Small LED Lamp | 39024 |
| 32 | Electronic Bicycle Lock | 33271 |
| 33 | Remote-operated Master Switch | 30076 |
| 34 | USB Power Socket | 29538 |
| 35 | Triple Power Supply | 25782 |
| 36 | Smart Hearing Aid | 19118 |
| 37 | Midnight Security Light | 35478 |
| 38 | Automated Alarm Circuits | 26078 |
| 39 | Traffic Baton | 23964 |
| 40 | Laser-guided Door Opener | 38831 |
| 41 | PC Temperature Controller | 29741 |
| 42 | Battery-level Indicator | 38198 |
| 43 | Traffic Controller | 34669 |
| 44 | Night Alert | 33034 |
| 45 | Muscular Stimulator | 24012 |
| 46 | Wireless Switch | 75220 |
| 47 | Electric Window Fence Charger | 11855 |
| 48 | Three-Phase Appliance Protector | 21780 |
| 49 | Aquarium Probe | 24414 |
| 50 | Bicycle Indicator | 26371 |
| 51 | Poor Man’s Hearing Aid | 19131 |
| 52 | Portable Lamp Flasher | 21071 |
| 53 | Car Anti-theft Guard | 33986 |
| 54 | USB Power Booster | 36427 |
| 55 | Smart Vibration Sensor | 30426 |
| 56 | Drinking Water alarm | 46068 |
| 57 | Glow Plug Controller | 18279 |
| 58 | Tester For Remote Control | 28000 |
| 59 | Automatic Low-Power Emergency Light | 40291 |
| 60 | Mobile Bug | 65452 |
| 61 | LED Lighting for Christmas | 44096 |
| 62 | Current Sensor | 40299 |
| 63 | Seismic Sensor | 33768 |
| 64 | Dice With 7-Segment Display | 30079 |
| 65 | Motorbike Alarm | 37682 |
| 66 | Laptop Protector | 66530 |
| 67 | Shutter Guard | 20406 |
| 68 | Desktop Power Supply | 32895 |
| 69 | Mobile Shield | 45923 |
| 70 | Infrared Firecracker Igniter | 32776 |
| 71 | Automatic Phase Changer | 33748 |
| 72 | Flying Saucer | 47934 |
| 73 | Anti-Collision Rear Light | 31142 |
| 74 | Light Fence | 33496 |
| 75 | MAT Switch | 30098 |
| 76 | 5-Band Graphic Equaliser | 29338 |
| 77 | Clock Timer | 44120 |
| 78 | Fully Automatic Emergency Light | 56648 |
| 79 | IR Music Transmitter and Receiver | 61574 |
| 80 | Electronic Horn | 40152 |
| 81 | Darkroom Timer | 2544 |
| 82 | Water level indicator With Alarm | 4473 |
| 83 | PC Multimedia Speakers | 4922 |
| 84 | Precision Amplifier with Digital Control | 1992 |
| 85 | Security System Switcher | 3060 |
| 86 | Electronic Card-Lock System | 4279 |
| 87 | Blown Fuse Indicator | 2387 |
| 88 | Simple Intercom Circuit | 3244 |
| 89 | LED-Based Message Display | 5232 |
| 90 | Telephone Receiver | 3106 |
| 91 | Water-LeveL Controller | 4366 |
| 92 | Song Number Display | 2905 |
| 93 | Fastest-finger-first-indicator | 3116 |
| 94 | Musical 'Touch' Bell | 3897 |
| 95 | Audio-Visual Extra Ringer For Phone | 1542 |
| 96 | Contactless AC Mains Voltage Detector | 2474 |
| 97 | Fire Alarm | 4758 |
| 98 | Precison 1Hz Clock Generator Using Chip-On-Board | 1555 |
| 99 | Short Wave AM Transmitter | 2513 |
| 100 | Solidstate Auto Power off on Mains Failure | 1705 |
| 101 | Automatic Emergency Tourch | 3700 |
| 102 | Automatic Emergency Light | 4543 |
| 103 | Versatile CMOS TTL Logic and Clock Probe | 1426 |
| 104 | Programmable LED Indicator | 3254 |
| 105 | Touch Sensitive Musical Bell With Timer | 2322 |
| 106 | Staircase Light With Auto Switch-Off | 3111 |
| 107 | 2-Line Intercom-Cum-Telephone Line Changeover Circuit | 1661 |
| 108 | Magic Light | 5891 |
| 109 | Teleremote Control | 2514 |
| 110 | Telephone Conversation Recorder | 2611 |
| 111 | Automatic Dual Output display | 1462 |
| 112 | Long Range IR Transmitter | 3430 |
| 113 | Digital Dice with numeric display | 1454 |
| 114 | Watch Dog for Telephones | 1907 |
| 115 | UPS for Cordless Telephones | 1724 |
| 116 | Economical Pump Controller | 1877 |
| 117 | Digital Speedometer | 5522 |
| 118 | House Security System | 6860 |
| 119 | Clap Switch | 1855 |
| 120 | Tiny Dew Sensor | 2180 |
| 121 | Computerised Morse Code Generator Transmitter | 1514 |
| 122 | Telecom Headset | 1705 |
| 123 | Telephone Ringer Using Timer ICs | 1459 |
| 124 | Power Supply failure alarm | 2502 |
| 125 | Protection for your electrical Appliance | 2538 |
| 126 | Simple Code Lock | 3643 |
| 127 | PC-based 7 segment rolling display | 2210 |
| 128 | Automatic Room Power Control | 3120 |
| 129 | Fuild Level Detector | 2017 |
| 130 | Accurate Electronic Stop Watch | 1315 |
| 131 | Sensitive Temperature Switch | 1659 |
| 132 | Ramp Controlled Light | 1390 |
| 133 | 7MHz CW AM QRP Transmitter | 1755 |
| 134 | Auto Reset Over-Under Voltage Cut-Out | 1434 |
| 135 | Shortwave transmitter | 1714 |
| 136 | Programmable Door-Bell with Flashing LEDS | 2231 |
| 137 | Precision Attenuater with Digital Control | 1048 |
| 138 | Parallel telephone with Secrecy | 1504 |
| 139 | Telephone call meter using calculator and COB | 1712 |
| 140 | Magnetic Proximity switch | 1798 |
| 141 | Electronic Scoring game | 1790 |
| 142 | A Hierarchical Priority Encoder | 1131 |
| 143 | Digital Mains Voltage indicator | 1797 |
| 144 | Low cost PCO Billing meter | 1871 |
| 145 | Automatic Speed Controller For Fans and Coolers | 3585 |
| 146 | Telephone line based Audio Muting | 1164 |
| 147 | Precision Digial AC Power controller | 1307 |
| 148 | Phone BroadCaster | 1708 |
| 149 | Long-range FM Transmitter | 3539 |
| 150 | Self Switch power supply | 2266 |
| 151 | Electrical Equipment control using PC | 2711 |
| 152 | Low cost Transistorised intercom | 1723 |
| 153 | Cordless Phone Backup | 1408 |
| 154 | Sleep Switch cum wake timer | 1909 |
| 155 | Simple Analogue to digital converter | 1908 |
| 156 | Digital switching system | 2177 |
| 157 | Ultra Low Drop linear regulator | 987 |
| 158 | 40-Meter Direct conversion receiver | 2186 |
| 159 | Frequency measurement using PC | 2041 |
| 160 | Miniature strobe light | 1329 |
| 161 | CD-Rom Drive as Digital-Audio CD Player | 2832 |
| 162 | Clap Remote | 3931 |
| 163 | Smart Phone Light | 1710 |
| 164 | Handy Zener Diode tester | 1489 |
| 165 | Telephone Line Vigilant | 1521 |
| 166 | High & Low Voltage cutout | 2145 |
| 167 | Color Sensor | 4143 |
| 168 | Running Message Display | 3261 |
| 169 | Low current high voltage power supply | 1703 |
| 170 | Intelligent Switch | 3364 |
| 171 | Automatic Temperature Controlled Fan | 4220 |
| 172 | Ultrasonic Proximity Detector | 43418 |
| 173 | Secret Bell | 55776 |
| 174 | Variable Power Supply Using a Fixed-Voltage Regulator IC | 54471 |
| 175 | Appliance Timer-Cum-Clap Switch | 27641 |
| 176 | Telephone-Operated Calling System | 39735 |
| 177 | Front Door Guard | 43641 |
| 178 | Bell-Cum Light Controller | 26711 |
| 179 | Friendly Charger for Mobile Phones | 54151 |
| 180 | Hearing Aid | 36018 |
| 181 | Speed Control of DC Motor Using Pulse-Width Modulation | 50388 |
| 182 | Remote-Controlled Fan Regulator | 82633 |
| 183 | Low-Power Voltage Doubler | 30279 |
| 184 | Parrot-Sounding AC Doorbell | 29309 |
| 185 | Multi-Melody Generator With Instrumental Effect | 22149 |
| 186 | School-College Quiz Buzzer | 24182 |
| 187 | Visual AC Mains Voltage Indicator | 27429 |
| 188 | Simple Short-Wave Transmitter | 28009 |
| 189 | Solar Lighting System | 85501 |
| 190 | Infrared Bug | 44646 |
| 191 | Picnic Lamp | 38570 |
| 192 | Versatile Power Supply | 35909 |
| 193 | Ultrasonic Proximity Detector | 43932 |
| 194 | Shadow Alarm | 53893 |
| 195 | IR Burglar Deterrent | 62627 |
| 196 | Versatile Water-Level Controller | 49261 |
| 197 | Automatic-Off Timer For CD Players | 32070 |
| 198 | Heat-Sensitive Switch | 37088 |
| 199 | Sensitive Vibration Detector | 35341 |
| 200 | Digital Dice | 39986 |
| 201 | Remote-Controlled Power-Off Switch | 63524 |
| 202 | Little Door Guard | 44073 |
| 203 | Stress Meter | 49077 |
| 204 | Medium-Power FM Transmitter | 51862 |
| 205 | Teleconferencing System | 49404 |
| 206 | Smart Cellphone Holder | 43268 |
| 207 | Fuel Reserve Indicator For Vehicles | 40046 |
| 208 | Brake Failure Indicator | 47267 |
| 209 | Safety Guard | 34209 |
| 210 | Mains Supply Failure Alarm | 35287 |
| 211 | Remote Control For Home Appliances | 114502 |
| 212 | Micromotor Controller | 48656 |
| 213 | Solar Bug | 54934 |
| 214 | Simple Digital Security System | 57911 |
| 215 | Digital Audio - Video Input Selector | 1670 |
| 216 | Auto Turn-Off Battery Charger | 64363 |
| 217 | Atmel AVR ISP Dongle | 44726 |
| 218 | Audio Amplifier for Personal Stereo | 56382 |
| 219 | Musical Light Chaser | 49830 |
| 220 | Hit Switch | 83300 |
| 221 | Water-Level Controller | 53811 |
| 222 | Fire Alarm Using Thermistor | 51376 |
| 223 | Electronic Watchdog | 72446 |
| 224 | Automatic School Bell | 46663 |
| 225 | Anti-Theft Alarm For Bikes | 67081 |
| 226 | DC Motor Control Using A Single Switch | 51805 |
| 227 | Solidstate Remote Control Switch | 44064 |
| 228 | Flashing-Cum-Running Light | 40947 |
| 229 | Quality FM Transmitter | 91650 |
| 230 | Stabilised Power Supply With Short-Circuit Indication | 39601 |
| 231 | Digital Stop Watch | 57259 |
| 232 | Cell-Phone-Controlled Audio Video Mute Switch | 50682 |
| 233 | PC-Based DC Motor Speed Controller | 68515 |
| 234 | Under-Over-Voltage Beep for Manual Stabiliser | 26795 |
| 235 | Child's Lamp | 56490 |
| 236 | Watchman Watcher | 51072 |
| 237 | Highway Alert Signal Lamp | 37969 |
| 238 | Low-Cost Electronic Quiz Table | 35439 |
| 239 | Mobile Cellphone Charger | 95260 |
| 240 | Smart Foot Switch | 43811 |
| 241 | Programmable Timer for Appliances | 61528 |
| 242 | Anti-Bag-Snatching Alarm | 36476 |
| 243 | Multiband CW Transmitter | 36936 |
| 244 | Automatic Night Lamp With Morning Alarm | 71671 |
| 245 | Touch Dimmer | 69069 |
| 246 | Mosfet-Based Preamplifier for FM Radio DXing | 45655 |
| 247 | Non-Contact Power Monitor |
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