- 3½ digit led DPM operating on +5v for 200mv or 2v
- 4 channel temperature scanning for cardiac surgery
- 4 digit object counter
- 4 digits frequency meter
- 4 * 2 printer sharer (computer)
- 40W fluorescent lamp inverter
- 555 testers
- 5-digit interruption counters
- 74Ls series CMOS tester
- 74 series TTL tester and 741 tester
- 8 digit object counter
- 8 digits frequency meter
- 8085 microprocessor kit
- A portable data logger
- A single chip timer with digital clock and calendar
- AM/FM radio receiver using BEL 7200
- AC and DC motor control system
- AC motor speed controller
- AC power line switching control
- Activity control system for industries
- Adaptive lighting system for automobiles
- Advanced digital trainer
- Advertisement display using LED's
- Analog frequency
- Anemometer and flow meter
- Answering M/C & home appliance control through P & T line
- Audible continuity tester
- Audible thermometer
- Audio communication using fiber optic cable
- Audio communication using LASER beam
- Audio spectrum analyzer
- Audio sweep generator
- Audio system through power line
- Auto controlled soldering iron
- Auto dialing system
- Auto switch for toilets
- Auto voltage stabilizer using auto transformer
- Automatic change over for generator to main supply
- Automatic digital time switch
- Automatic door opening and closing system
- Automatic drainage timer
- Automatic drilling machine
- Automatic electronic filling machine
- Automatic electronic plant watering system
- Automatic gate opening system (toll collection, mode)
- Automatic induction motor starter with programmable timer
- Automatic path finder
- Automatic phone pickup
- Automatic torch light cum door phone
- Automatic remote diesel generator starter
- Automatic spray painting gun
- Automatic star-to-delta converter
- Automatic street lamp
- Automatic transformer winding control system
- Automatic voltage stabilizer
- Automatic washbasin
- Automatic water tank filling system
- Auto ranging digital multi meter
- Bank token display with speech
- Battery charger & discharge
- Battery resistance meter
- Battery tester
- Baud rate generator
- Binary to dot-matrix decoder
- Bipolar relay with single supply
- Bipolar stepper motor control
- Blind stick using infrared
- Bowel mains running lights
- Budget sweep function generator
- Burglar alarm to protect your home
- C- Band satellite TV receiver
- Capacitance meter
- Car security system
- Care-taker for home appliances
- Cell phone line detector
- Central locking system
- Centralized remote control for multiple systems
- Channel spectrum analyzer
- Clap - operated remote control for fans
- College announcement system (remote)
- Color TV demonstration board
- Compact frequency meter
- Compact switching step down converter
- Conductance tester
- Conference timer
- Configurable clock generator
- Contact less AC main voltage detector
- Control system for industries
- Conversion of TV into CRO
- Cordless intercom
- Cordless pattern generator
- Cordless remote control
- Cordless security system
- Count down timer
- Current and voltage monitoring system
- Dancing fountain
- Day date computer
- DC adapter with battery backup
- DC to DC converter
- Digital time switch
- Digital alarm clock (0.5"/1"/1.5"/3.5")
- Digital anemometer (wind speed)
- Digital bank token display
- Digital bank token display with voice communication
- Digital based stepped output voltage
- Digital car lock with alarm
- Digital chip clock cum calendar.
- Digital clock using plasma display
- Digital clock with on-off timer
- Digital code lock system
- Digital control for out door lights
- Digital control of machines
- Digital controller for outdoor lights
- Digital depth measurement
- Digital energy meter
- Digital fan speed regulator
- Digital fire alarm system
- Digital heart beat monitor
- Digital IC tester
- Digital inductance meter
- Digital LED volt meter
- Digital length measurement
- Digital light (MUX) meter
- Digital low frequency meter
- Digital low power thermometer
- Digital master - slave clock
- Digital maximum and minimum thermometer
- Digital numeric controlled locking system
- Digital PH meter
- Digital phase meter
- Digital programmable dark room controller
- Digital quiz display
- Digital score display board
- Digital slope measurement
- Digital speed control of DC motor
- Digital speedometer
- Digital STD call meter
- Digital switching system
- Digital tachometer
- Digital thermometer
- Digital timer switch
- Digital traffic counter
- Digital trainer system
- Digital V/I meter
- Digital V+F meter
- Digital visitor counter
- Digital volume control
- Digital water level meter
- Digital watt meter
- Digital wide range thermometer
- Digital wiring allocation tester
- Dish antenna
- Doorbell -cum-security alarm
- Drainage pump switch
- Drilling machine speed controller
- Dryer and prevented
- DTMF based IR proximity sensor
- E- Meter for monitors
- Earth fault detector
- ECG amplifier
- ECG monitor and patient care monitoring
- Electronic calling intercom
- Electronic capacitance meter
- Electronic card locking system
- Electronic circuit breaker
- Electronic code lock
- Electronic doorman
- Electronic hand dryer
- Electronic ignition system for automobiles
- Electronic motor starter
- Electronic rain gauge
- Electronic soft starter for motors
- Electronic stethoscope
- Electronic switch starter with single phase preventor
- Electronic transformer tester
- Electronic voltage stabilizer
- Electronic voting machine
- Electronic weather cock
- Emergency light
- Energy meter
- Engine RPM meter
- EPROM based programmable number locks
- EPROM eraser
- EPROM programmer
- Fax guard
- Fiber optic based controlling system
- Fire alarm
- Fire sensing system
- Fixed power supply
- Flashing running light
- Flip flop timer
- Fly killing using rays
- FM based long range conversation system
- Fm based walkie-talkie
- FM intercom through mains signaling
- FM receiver
- FM telephone transmitter
- FM transmitter and receiver
- Foot step pressure electrical power generation system
- Four-in-one telephone
- Frequency converter
- Frequency doublers
- Fuel consumption meter
- Full featured touch control programmable power supply
- Function generator
- General purpose digital tester
- General purpose nickel battery charger
- Generator scale enhancement
- Glucose drip through motor controller
- Governor for 1 phase motor
- Governor for single phase motor
- Hand held anemometer
- Harmonic distortion meter
- Heave duty voltage stabilizer
- Hexadecimal keyboard
- High power stereo integrated amplifier
- High input voltage linear regulator
- High resolution AC/DC voltmeter with led display
- High side current measurements
- High speed digital interruption counter
- High voltage differential amplifier
- Hit the target and electronic game
- Home security system
- Home telephone system
- House security system using laser
- Humidity controller
- Hygrometer for industries
- IC trainer system for 555&741
- Industrial control system
- Industrial monitoring system
- Industrial safety control system
- Infer red light barrier
- Infra - red traffic counter
- Infra red based position controller using stepper motor
- Infra red based remote control
- Infra red based stepper motor speed control
- Infra red cordless head phone
- Infra red interruption counter
- Infra red operated relay
- Infra red proximity sensor
- Infrared movement detector
- Infrared transmitter receiver
- Intelligent car lighting system
- Intelligent electronic lock
- Ionization meter
- IR speed controller
- IR volume controller
- Lamination machine
- LASER transmitter receiver
- LCD digital thermometer
- LCD MUX meter
- LED dial clock
- LED speed meter
- LED stroboscope
- Light brightness control using PWM
- Light effect generator
- Light meter
- Light power thermo meter
- Liquid - level gauge
- Long duration timer with accuracy
- Low noise microphone amplifier
- Magnetic field meter
- Main phase sequence indicator
- Mains fault detector
- Mains frequency indicator
- Mains voltage detector
- Max. Temp. Detector for fan controller
- Metal detector
- Microphone mixer
- Microwave field strength meter
- Moving message display
- Multi change files alarm system
- Multi channel codes lock system
- Multi channel emergency indicator
- Multi channel logic analyzer
- Multi channel programmable timer
- Multi channel remote control
- Multi channel taco scanner
- Multi device control system using fm
- Multi range adjustable timer
- Multi channel fire alarm system & controller
- Multifunction digital counter
- Multiple continuity testers
- Multipurpose digital counter
- Neo digital clock
- Noise & vibration detector
- Numeric controller gate locking system
- Object counter for industrial application
- Office call bell system
- Op- amp radio
- Optical speed measurement for motors
- Optical fiber communication using home/industrial controlling system
- Optical locking system
- Optical speed measurement for motors
- Optical taco meter
- Opto isolated RS - 232 interface
- Over speed prevented for two wheeler
- Overload sensing system
- P. T. 100 thermo meter
- Pal test patter generator
- Pattern generator
- PC based speed monitoring system
- PC based visitor counter
- PC battery charger
- PC parallel ports relay board
- PC-based 4axis stepper motor
- PC-to-PC communication using infrared / laser beam
- PH meter
- Phase failure relay
- Phase sequence tester
- Phone busy indicator
- PIC 16f84/16c84 mini programmer
- Power diode for solar power systems
- Power factor monitor
- Power line intercom
- Power line through tachometer
- Power room monitor
- Power supply with logic battery backup
- Pre settable on/off timer
- Precise digital AC power controller
- Precision amplifier with digital controller
- Precision digital stop watch
- Presentation running lights
- Pressure monitor & control
- Pressure switch
- Printer sharing box
- Programmable bell system
- Programmable digital timer cum clock
- Programmable liquid level control
- Programmable melody generator
- Programmable motor speed control
- Programmable number lock
- Programmable priority time switch
- Programmable sine wave generator
- Programmable sound synthesizer
- Programmable versatile timer
- Programmable volume control
- Push button dimmers switch timer
- Quiz master
- Railway barrier monitor
- Rain detector
- Rainwater storage gauge
- Refrigeration temperature control
- Remote car security system
- Remote flame controller
- Remote fuse blow indicator
- Remote generator on/off with automatic change over
- Remote metal detector
- Remote operated furnace flame controller
- Remote power electrical appliance controlling telephone line
- Remote tachometer
- Remote telephone communication for automobile with load control
- RF decibel meter
- RF transmitter and receiver
- Rpm meter with torque indication
- S meter for RF systems
- Safety switch(ELCB)
- Scope triggering aid for video signals
- Score display board
- SCR/TRIAC tester
- Security monitoring system
- Security system with cellular
- Security systems for cars
- Semiconductor tester
- Sensitive overload sensor
- Sequential switching for industrial application
- Serial to parallel converter
- Series/parallel equivalent circuits in excel
- Servo stabilizer
- Shock preventer
- Shutter speed meter
- Simple AC milli-volt meter
- Simple conductance tester
- Simple patter generator
- Simple preamplifier
- Simple self -inductance meter
- Simple sweep generator
- Simple voltmeter
- Sine wave generator
- Single board basic computer
- Single chip am audio
- Single chip clock cum calendar.
- Single phase preventer
- Single phase voltage tripper and over load protector
- Single supply instrumentation amplifier
- Single transistor radio
- Siren driver
- Small power converter
- Smart transistor tester
- Smoke detector
- SMPS power supply for computer
- SMPS power supply for TV
- Solar agro sprayer
- Solar cell power generation with auto tracking system
- Solar dryer
- Solar light with emergency light (automatic)
- Solar lighting system
- Solar panel charge circuit low voltage cut off
- Solar tracking system
- Solid state voice recorder
- Solid-state advertisement display
- Sound generator
- Sound pressure meter
- Sound-to-light unit
- Speech synthesizer
- Speed control of 1 phase AC motor
- Speed control of 3 phase AC motor
- Speed controller for model train programmable amplifier
- Speed monitor
- STD Timer
- STD/ISD/PCO call preventer
- Stepped power supply
- Stepper motor controller
- Street light on/off controller
- Strobe light
- Sweep generator
- Switch-less calling bill with counter
- Tale recorder for industries
- Talking clock with remote
- Talking doorbell
- Telephone answering & recording machine
- Telephone call meter with memory
- Telephone calls transfer through remote power line unit
- Telephone controlled generic switching system
- Telephone controlled remote switch
- Telephone exchange
- Telephone line based audio muting and light on circuit
- Telephone line -interfaced generic switching system
- Telephone line monitor
- Telephone line switching system with remote electrical appliances on/off indicator
- Telephone power line communication
- Temperature control with cooling
- Temperature controlled fan
- Temperature controller for refrigerator
- Temperature controller with fan for cooling arrangement
- Temperature reference
- Test pattern generator
- Tester for infra red remote control
- Testing and generation laboratory instruments
- The new generation stethoscope
- The mind reader
- The universal timer
- Three phase voltage-sharing system
- Tone burst generator
- Touch controlled variable power supply
- Touch-free lights switch
- Traffic light control system
- Transistor tester
- TRIAC light dimmer
- TV pattern generator
- Two station intercom
- Ultra sonic distance meter
- Ultrasonic alarm for bind people
- Ultrasonic car reversal alarm
- Ultra-sonic mosquito repeller
- Ultra-sonic movement detector
- Uninterrupted power supply - on - line
- Universal counter
- Universal digital function generator
- Universal digital meter
- Universal function generator
- Universal logic probe
- Universal rev counter
- Universal symmetric power supply
- Universal tester for laboratory
- Variable speed multi-output led display
- Vehicle speed indication and breaking system
- Vehicle speed, fuel, temperature, air calculation
- Versatile digital frequency counters cum clock
- Vibration sensor
- Video pattern generator
- Voice activated FM transmitter
- Voice coding and decoding
- Voice controlled switch
- Voltage inverter
- Voting machine
- Walkie-talkie through phone conversation hearing system
- Walkman radio player
- Watch dog
- Water level indicator cum controller
- Water storage tank level remote indicator & controlling system
- Watt meter
- Wireless apartment centralized security system
- Wireless taco reading through power line
- Yarn detector and breaking controller
