Verified Electronics Projects: Those practicing the art of engineering are concerned with numbers in all phases of their work. One area where the numbers become overwhelming is in the area of electronic projects and their parts.
Although the integrated circuit (IC) has been a boon to the electronics engineers/hobbyists, the sheer number of parts almost requires the user of the electronic project to have research assistance as an associate, to be sure all electronic projects are available have been considered for use. Valuable time is often spent poring over the electronic circuit and projects to find even the most basic information regarding circuits and projects for potential design. The average engineers, designers, hobbyists, and student have little time for this. The research assistance you seek for this task is now available in the form of this post. Basically, this post contains a list of 100’s verified electronics projects for engineers.
When the author conceived the idea for this post, he sensed the frustration of the electronic engineers/hobbyists in trying to select the proper projects for the particular application. The result of his insight was a post that is helpful for everyone connected with the use of electronic circuits and projects.
The value of this post has been enhanced because the number of entries has been vastly increased. All areas, including analog, consumer digital, and interface reflect this update in the content. All the electronics projects presented are relevant to you, the user, electronic engineer, and hobbyist.
If you have any suggestions then feel free to share, comment, and suggest new projects idea also.
50+ Verified Electronics Projects for Engineering Students
- Fingerprint Attendance System: This electronic project is built using Arduino Uno and a fingerprint module which is used to take thumb impressions for the attendance system. It can be used in offices, schools, etc.
- 36 Call Point Call Indicator: This project is built around the MC68HC705J1A microcontroller which is used for a simple and economical room-monitoring system that provides audio-visual identification of the call point has been presented below.
- Greenhouse Automation System: This project is built using a P89V51RD2 (80C51) microcontroller which is used to monitor and collect the varying greenhouse details such as temperature recordings, a measure of soil moisture, and sunlight, at different instants of time.
- Smart Solar Charger: This project is built using PIC16F877A based on the two distinct charging principles i.e. boost and trickle. This project also provides required information about the limit of energy collected by the solar panel.
- Vehicle Tracking System: This project is built using ATMega16, iWave GPS Module, and SIM300. It is mostly implemented to keep track of vehicles in recent times. It utilizes a GSM modem as a replacement for one of the GPS devices to ensure a two-way communication process.
- GPS Navigator Circuit: This project is built using ATmega16 and 128×64 graphical LCD, which is implemented to detect the position/location of anything under consideration, and hence it is suited for navigation activities.
- AC Motor Speed Controller Circuit: This project is built using AT89C51 which is used to control the speed of the motor by using the principle of hanging firing angle of TRIAC. Here in this project, we had used various switches for speed control and an LED bar for indication of motor speed.
- RFID Based Security System: This project utilizes AT89C52, this security system uses RFID techniques that permit the entry of an authorized individual in the area where this system is installed. The system uses unique tags assigned to each individual to distinguish between authorized and unauthorized access.
- Wireless Temperature and Humidity Indicator for Fridge: This project utilizes two ATmega328P one for the transmitter and the other for a receiver as it is a wireless system. This simple wireless device uses RF technology to measure and display temperature, humidity, and relative humidity from inside the fridge.
- IR Remote Controlled Fan Regulator: This project is designed using AT89C2051 which can control the speed of the fan (you can also use this circuit to control the intensity of light; light dimmer). This project uses IR rays to control the speed of the fan within the range of 12 meters.
- Industrial Timer Circuit: This project utilizes AT89C51 which is very interesting with facilities like automation and switching, providing delay, and having a long-range control (100 m). It has different facilities like digital display, an indication of system failure, remote (wireless operation), alarm.
- Restaurant Menu Ordering System: This project is built around an ATmega8 microcontroller, here we had designed a simple automation system called the restaurant menu ordering system. It uses two Zigbee modules for wireless communications.
- 3000W Inverter with Inbuilt Charger: This project is built around an AT89C2051 microcontroller. This 3000W inverter has various facilities like an inbuilt charger, over and under voltage control, temperature control, microcontroller-based, etc. This circuit convert 24V DC (two 12V battery connected in series) to 220V AC instead of traditional 12V.
- DIY Digital Compass: This project is built using ATmega8, OLED display, and RTC module. It shows the direction in real-time and date. The main advantage of this project is not being affected by the earth’s magnetic field.
- Metro Train Prototype: This project utilizes the AT89C51 microcontroller which shows how the metro train works. This prototype is a good example of an embedded system that automatically opens and closes the door at every station.
- Soccer Substitution Board: This project is built around AT89C51, 7-segment decoder, and 7-segment display. This project has various advantages over available soccer substitution boards like a cheap, programmable, individual button for the increase and decrease of a score.
- Distance Measurement Using GPS: This project is built around ATmega328 (Microcontroller used in Arduino Uno board). This project utilized a GPS module rather than an ultrasonic sensor module to measure the distance between two points (Start and End Point)
- Ultrasonic Water Level Meter: This project utilizes ATmega328 and an ultrasonic sensor module to measure water level. This project uses a wireless approach it uses a transmitter and receiver unit (433MHz RF frequency). This project is capable to measure the depth of water up to 4 meters with an accuracy of 5mm.
- Dual Mode Robot: This project is based on PIC16F877A. This Robot has inbuilt features to identify and avoid obstacles on its way and can be easily controlled with the help of RF-based remote control.
- ESP8266 Temperature Logger (IoT Project): This project is based on the PIC16F877A microcontroller and ThingSpeak API. This project monitors the temperature of the vicinity simultaneously and provides details of the information collected.
- LED Cube 4x4x4 circuit: This project is based on AT89C2051, which is used to create a number of light patterns. The cube designed for specific use in science laboratories is much easier to assemble.
- Web Server using ESP8266: This project is designed using ESP8266 and Arduino IDE. Here we had designed a programmable ESP8266 (without using NODE MCU). By using this project we can control any appliance through the Internet.
- Dynamic Temperature Controller and Indicator: This project is designed using Arduino UNO, Thermistor, and rotary encoder which is used to control and monitor the temperature using close-loop technology.
- Earthquake Indicator: This earthquake detector circuit is designed using an Arduino UNO board, accelerometer sensor module ADXL335, LCD, and buzzer. This project can sense vibrations and knocks along the three physical dimensions or axes, which make it more sensitive.
- Fingerprint Sensor Lock: This Fingerprint sensor lock is designed and built around the Arduino Uno board, fingerprint sensor module, and solenoid lock. This project works on a matching algorithm which is then compared with the pre-stored templates of fingerprints. It verifies the authentication process.
- Automatic Call Answering Machine: This project is based on the Arduino Uno board and SIM900A module. This project is designed to answer the call with a pre-recorded message when we are unable to attain the call.
- Accident Detection and Alert System: This project is designed using an Arduino Uno board, GPS module, GSM Module, and vibration sensor. This project prevents uncertain death after an accident because this system sends the message alert to the hospital or police station. The message alert includes longitude, latitude (location of accident), in the form of a google map link.
- RFID Based Attendance System: This project is designed using an RFID module, Arduino Uno board, and RTC module. This project is used to take attendance with a real date and time facility.
- FM Receiver Circuit using TEA5767: This project is built using an Arduino Uno board and LCD. The unique feature of this project is it display station number and frequency.
- DIY Breathalyzer: This project is designed using an Arduino Uno board and MQ-3 sensor. This device is designed to estimate the concentration of alcohol available in the breath samples. This device can be utilized by traffic police, medical staff, etc.
- Light Operated Internal Door Latch: This project is based on digital IC (7400, 74LS194, 7432, 7402, 7404, and 7474). This light-operated internal door latch with which one can close or open the door of your room remotely using a torchlight.
- Electronics Washing Machine Control: This project is based on a digital IC which is used to control the washing machine motor. This circuit provides all the facilities provided by reputed companies and even more, (a timer, cyclic rotation, etc.)
- Offline UPS Circuit: This device (Offline UPS) only turn on when AC mains is not available. A sample of economic offline UPS circuits with 350kVA capacity. This project has an inbuilt battery state indicator and automatic change over the unit.
- Medium Speed Modem:Â The recent integration of the complex functions a modem performs into a single chip has allowed manufacturers to economically build the modem right into the microcomputer or data terminal equipment.
- DTMF-Based Remote Control System: This DTMF project utilize transmitter and receiver circuit. Using DTMF based remote control system circuit we can control (switch on/off) any type of device by keying the number allocated to it for a longer range.
- Speech Communication using Laser: This project makes use of this aspect, it is a one-/two-way optical communications system using a short-wavelength visible laser diode as the light-emitting element, free space as the transmission media, and a light-dependent resistor as the light-receiving element. This system is a perfect medium for speech communication between two adjacent offices or between homes on the opposite sides of a road.
- Cell Phone Jammer Circuit: This device comes in handy in such situations where one needs to stop this disrupting ringing and that device is named as a cell phone jammer or ‘GSM jammer’ in technical terms, whose sole purpose is to inhibit the use of mobiles, i.e., make them obsolete. Basically, it is an electronic countermeasure device.
- Automatic wiper for Automobile: Automatic wiper is built around the Arduino Uno board, rain sensor, and servo motor. The project monitors the intensity of rainfall and controls the frequency of operation of the wiper accordingly.
- LED Matrix Display: This project is built around Uno board and 35 LEDs i.e. the project posted here of 7×5 LED matrix display.
- Wireless Mobile Charger: This circuit use concept of inductive coupling principle. The output delivered by this circuit is about 280mA at 5.2V. This circuit can also be used to power low-power devices.
- Advance Mini UPS: This simple, efficient, economical and easy-to-construct UPS is very useful for mobile phones or telephone sets. The circuit advance mini-ups can also be used for high power by changing a transformer with a high current rating so this circuit can be used as power backup for laptops also.
- Universal Digital Power Supply Circuit:Â The unit universal digital power supply provides a variable, fluctuation-free and regulated output. You can produce 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 10.5V, and 12V by pressing a single switch.
- Pulse Generator Cum Timer Circuit: This circuit have various features like variable frequency, variable pulse width, and variable amplitude, timer and can be used in direct relay operation. This project generates a frequency of 0.001 Hz to 5 MHz, a wide variation of pulse width: 100 nano sec to 10 seconds.
- 24-Hour Digital Clock and Timer Circuit: This project has two different applications as reflected through the name 24-hour clock and a timer. This circuit can be used for appliance switching.
- Digital Clock with Seconds and Alarm Time Display: This digital clock is capable to display Hour, Minutes, and Second with alarm in seven Segment displays. It also has settings of sleep, snooze, etc.
- Programmable Digital Timer Circuit: This circuit can be used for long-range timer circuits from 1 minute to 99 minutes. It will automatically switch off after the preset time is finished.
- Digital Voltmeter (DVM) Circuit: This circuit utilizes IC ICL-7107. This circuit can measure AC as well as DC voltage and display the result in a 7-segment display. The full-scale reading of this voltmeter circuit is 1999 with 0.05% resolution.
- Data Logger Using Computer: This project can be used in physics laboratories or any place where we need to store data with the purpose to automate simple experiments or monitoring slowly varying physical variables such as temperature. Operating voltage +5V to -5V with a sample of 18/second and resolution of 39.2mV.
- Ultrasonic Lamp-Brightness Controller: This project is basically a wireless remote control unit that uses ultrasonic sound waves (20KHz) for switching and adjusting lamp brightness.
- Light Controlled Digital Fan Regulator: This project utilizes normal torchlight to ON/OFF and even one can control the fan speed remotely from the bed. It also indicates the speed of the fan in the seven-segment display.