Mini-Projects is the title of a column published by the author during several years in a in-depth treatment of electronics. lf you are interested in finding out more. The list of electronics for you mini Projects for engineering students offers immense help to make them to select a suitable project for their project work. Top and best electronics projects ideas list for final year ECE and EEE students after doing some major projects or Mini Projects on Electronics in their engineering. You may get best idea by reading all these project ideas and if you are.
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I believe this Book will be helpful for the students for their mini project. I request you to share, download & recommend this book for helping. Described here is an easy-to-use circuit of an automatic infrared (IR) faucet controller suitable for hand hygiene and water conservation at homes, hospitals and. Electronics Projects, VoL 1: A compilation of selected construction projects and circuit ideas and circuit ideas published in Electronics For You. . Mini Chaser.
So, it is very important and beneficial to us if we learn some basic things about electronics. This electronics concept deals with various small and large circuits which may include concepts like diodes, batteries, resistors, integrated circuits, etc. These concepts are very interesting to learn also. As day by day its importance growing at rapid rate. They can get good knowledge on electronics only after doing some major projects or Mini Projects on Electronics in their engineering. For those people, the below list of electronics projects ideas would be more helpful.
This circuit helps to generate a random number in between 0 to when the push button is pressed and it may be used in the games like monopoly, snake ladder.
Audio crossover is an electronic filter used in audio applications to send the appropriate signal to the speakers or drivers. This circuit is used in HiFi audio systems to separate the frequency bands from the audio signal. This simple IR audio link circuit is used to transmit audio signals wirelessly. This IR audio link is able to transmit audio signals up to 4 meters.
This mobile controlled home automation system is designed without using a microcontroller. We can also control a robot using this technology by making some modifications.
This helps to design a variable power supply circuit which will provide 0 to 28V at 6 to 8 amps. It can be used in various power amplifiers and oscillators to provide DC supply. This circuit displays the time on LCD. For this clock, we can set the time at any instant. Here the clock works in hour mode and the RTC chip is configured by programming controllers.
The main principle of this circuit is to interface a GSM modem with the microcontroller. The microcontroller used is an AT89C51 microcontroller.
This audio mixing circuit has 2 MIC inputs and 2-line inputs. If you want to increase the input channels according to the application, then add same circuit in parallel with the existing circuit.
The main principle of the circuit is to turn off the LED by a puff. The puff applied to the mic is converted into a voltage whose value is very small. This voltage is amplified and applied to the circuit in order to make the led turn off.
The main aim of this circuit is to take the attendance using the biometric method and display when requested. This can be used in educational institutions, industries, etc. The main principle of this circuit is to produce sound depending on the light intensity falling on the circuit.
As the light intensity falling on the circuit increases, it produces pulses with more duration and thus producing more sound. The main part of the circuit is timer IC. This is a simple electronic eye controlled security system circuit designed using voltage regulator and LDR. It is used in security applications. This USB sound card circuit is a device which allows an embedded system to create and record real and high-quality sound.
Read this post for more details. VU Meters are used in many applications like discotheques to measure the level of audio signals. This Hi-Fi Dx Bass Circuit describes the design, principle, and operation of a two-stage bass boosting circuit using simple high and low pass filters. This wireless electronic notice board using GSM Technology and microcontroller circuit is used to display the data on LCD whatever we sent from the mobile. The main principle of the circuit is to detect the human using the human detection sensor.
We made this project using Arduino. A heart rate monitoring system is designed in this project by using Arduino, also we have included a sensor to detect the heartbeat.
This is a similar project we have done already but here we are using different module timer circuit. This password-based circuit breaker project is built using the controllers and is used to switch off the power supply to the line by entering a password.
It provides a considerable amount of brightness required to do our daily tasks. Jammer circuit produces the high-frequency signal which will confuse the receiver of a particular system from receiving the signal, even though the circuit is working properly, the user of the system feels that the circuit is not working properly.
This is another simple but very useful circuit which helps to ON or OFF a device without moving from your place and helps to control the speed of the electric devices like a fan, etc. Here is the circuit diagram and working of w subwoofer amplifier circuit.
This article describes the circuit that switches the street lights on detecting vehicle movement and remains off after fixed time. This air flow detector circuit can be used to detect the flow of air in areas like the car engine.
It can also be used as the temperature detector. Two identical circuits are needed, one is for left and the other is for right. If there is any obstacle in front of the IR sensor, it generates an interrupt signal. Here we have used RF MHz modules to make the wireless remote. This circuit may also be used to charge any battery at constant voltage because the output voltage is adjustable. In this project, we are designing the circuit which is used to detect and control the water level automatically in the overhead tank using microcontrollers.
This article describes you how to interface seven segments to AT89C51 microcontroller. It is mainly used to measure a value of a reactive element like a capacitor or an inductor. Commonly, used LEDs will have the voltage drop of 1.
This circuit may be used as wireless power transfer circuit, the wireless mobile charger circuit, wireless battery charger circuit, etc. So by using this circuit, we can increase the lifetime of a battery. This mobile controlled home automation system is designed without using the microcontroller. The microcontroller used is AT89C51 microcontroller. If you want to increase the input channels according to the application, then add the same circuit in parallel with the existing circuit.
I am a student of 1st semester BSelectrical Engineering and workshop class and prject of battery charger plz give me circuit diagram of it.
I want to make a car robot that can detect number and move away if there is any obstacle in front of it and one more thing it can also be line follow car I want to control it by android mobile and by voice control also as well. Your email address will not be published. You are here: Water Level Indicator: Cell Phone Controlled Robotic Vehicle: Human Detection Robot using Microcontroller: SMS Controlled Robot: Hand Gesture Controlled Robot using Arduino: Obstacle Avoiding Robot using Arduino: Heartbeat Sensor using Arduino: Metal Detector Robotic Vehicle: Sun Tracking Solar Panel: Water Level Alarm Using Timer: Bidirectional Visitor Counter using Password-based Circuit Breaker: Auto Intensity Control of Street Lights: Digital Tachometer using Microcontroller: Automatic Washroom Light Switch: Automatic Door Bell with Object Detection: Boolean Algebra Calculator: Mobile Jammer Circuit: Metal Detector Circuit: Panic Alarm: LED Flasher Circuit: Intelligent Unambiguous Night Lamp Switcher: Thermistor Temperature Sensing Alarm: Pull Pin Security Alarm System: Remote Operated Alarm Circuit: FM Bugger Circuit: Cell Phone Detector: Battery Powered Portable Light: IR Remote Control Switch: Continuity Tester with Melody: Rain Alarm Circuit: Automatic Plant Irrigation System: Hot Water Geyser Controller Circuit: Lead Acid Battery Charger Circuit: Motion Detector Circuit: Security Alarm Circuit: Mosquito Repellent Circuit: Battery Charger Circuit: Simple Fire Alarm Circuits: Wireless Switch Circuit using CD Electronic Letter Box: Clap Switch Circuit for Devices: FM Transmitter Circuit: Variable Power Supply and Charger: Luggage Security Alarm: Monostable Multivibrator Circuit Operation: Morse Code Generator Circuit: Audio Equalizer Circuit: Air Flow Detector Circuit: Digital Temperature Sensor: Digital Stopwatch Circuit: Toy Organ using Timer IC: Low Power Audio Amplifier using Timer: Polarity cum Continuity Tester: Reaction Timer Game Circuit: Multiplexer and Demultiplexer: Understanding IC Voltage Regulator: Bike Turning Signal Circuit: Automatic Changeover Switch: Police Lights using Timer: Ding Dong Sound Generator Circuit: TV Remote Control Jammer: Super Sensitive Intruder Alarm: Remote Control Circuit through RF without microcontroller: Solar Battery Charger Circuit: Car Battery Charger Circuit: Water Level Controller using Microcontroller: Dummy Alarm Circuit: Reverse Parking Sensor Circuit: Automatic Battery Charger: Light Activated Switch Circuit: Remote Operated Spy Robot Circuit: Digital Voltmeter using Microcontroller: Ultrasonic Rangefinder using Stepper Motor Interfacing with Microcontroller: Frequency Counter Circuit: Delay using Timers: Interfacing 7 Segment Display to LC Meter using Timer: TV Transmitter Circuit: DC Motor Interfacing with Microcontroller: Stun Gun Circuit: Transistor Intercom Circuit: LED Interfacing with Wailing Siren Circuit: Audio Tone Control Circuit: The main heart of this circuit is timer.
This flashing action performs continuously. This circuit uses timer and a decade counter.
It can be used as doorbell. With some modifications, it can be used to produce different sounds. Read this post for complete details. This saves the power consumption and is low cost.
This circuit can be used in the museums to protect the valuable things. TV Remote Control Jammer : This proposed TV jammer circuit confuses the infrared receiver in a TV by producing the constant signal that interferes the remote control signal. If you switch on the circuit once, the TV will not receive any command from the remote. This allows you to watch your own program without anyone changing the channel or volume.
Super Sensitive Intruder Alarm : This circuit is designed to alert the user when an intruder enters into the home. If there is any obstacle in front of IR sensor, it generates an interrupt signal. This interrupt signal is given to the speaker to alert the user.
Using this remote, we can control the appliances within the range of meters. It is used for remote control applications like burglar alarm, car door alarm, calling bell, security systems, etc. High and Low Voltage Cutoff with Delay and Alarm : This high and low voltage cutoff with delay alarm circuit is an advanced automatic voltage stabilizer circuit and is used to protect our home appliances. This solar charger has current and voltage regulation and also has over voltage cut off facilities.
This circuit may also be used to charge any battery at constant voltage because output voltage is adjustable. Car Battery Charger Circuit : This article aims to describe the principle of operation, design and working of a simple car battery charger from AC mains supply and a feedback control section to control the battery charging.
Fire Alarm with Siren Sound : This circuit alerts us when there is a fire accident at home by ringing a siren sound instead of a buzzer. You may also get detailed information about pin diagram and internal block diagram of NE timer.
Intelligent Unambiguous Night Lamp Switcher : This is the circuit diagram of unambiguous night lamp switch, which turns ON our domestic lights automatically when it is dark, without human interference. It also avoids repeated frequent switching of the devices which is usually ignored in most similar circuits but may have a detrimental effect on our operating devices.
Automatic Railway Gate Controller with High Speed Alerting System : The main aim of this project is to operate and control the unmanned railway gate in the proper manner in order to avoid the accidents in the unmanned railway crossing. This circuit can be used for decoration purpose or can be used for a signaling purpose and many more.
This circuit is mainly used in the occasions, decoration articles or in visual indication sign boards etc. In this project, we use bi-color LEDs for sequential running light. Thermistor Temperature Sensing Alarm : This circuit is a temperature sensing as well as alarm circuit. The circuit raises an alarm whenever the temperature crosses a certain limit.
Pull Pin Security Alarm System : This circuit helps us to get alerted when anybody picks our pockets or bags. The circuit is very helpful to prevent our goods getting pick pocketed. Auto Turnoff Soldering Iron Circuit : This circuit helps the soldering iron to turn off automatically when it detects overheating and thereby avoids it from getting damaged. This can be used as a calling bell to call your assistant. SCR can be used in half wave rectifier, full wave rectifier, inverter circuits, power control circuits, etc.
FM Bugger Circuit : Here is small circuit with which you can listen to another people conversation from long distance using the normal FM radio set. This FM bugger circuit is kept in room where you want listen the conversation. You can listen to this conversation using the normal FM radio set.
Battery Powered Portable Light : This circuit is more helpful in handling unexpected and undesired darkness in our homes or offices. It provides considerable amount of brightness required to do our daily tasks. IR Remote Control Switch : By using this circuit, we can control any house hold appliance with the help of remote. Receiving section will be in a stable position which is connected to any load and transmitter will act as a normal remote.
It can be used in industries and surveillance systems. Human Detection Robot using Microcontroller : The main principle of the circuit is to detect the human using human detection sensor. The wireless robot is operated manually using PC. The wireless technology used here is Radio Frequency technology.
The data is transmitted to receiver through RF. Remote Password Operated Electronic Home Appliances : This circuit explains you how to control the electrical appliances using an Android device. Here, Bluetooth module is interfaced to microcontroller. This Bluetooth receives the commands from the Android application device using wireless communication.
Metal Detector Robotic Vehicle : Land mines buried under the ground causes threat to the lives and affect the economy of the nation. Detection and removing of these mines manually is a dangerous task. So, we use a metal detection robot which works on RF technology.
Water Level Alarm Using Timer : This is a simple and low cost hardware project using a timer circuit. The aim of this project is to design a water level detecting alarm with simple and low cost hardware without compromising on the performance of the device. Sun Tracking Solar Panel : This article describes about circuit that rotates solar panel. For the charging of your mobile phone, this circuit provides you a regulated voltage of 4.
Security Alarm Circuit : This circuit helps you to guard your precious documents as well as jewellery from intruders or theft. All you need is to just place this circuit in front of the locker or below the mat so when any unknown person come and walk over the switch, the circuit will trigger and sound of alarm comes.
Mosquito Repellent Circuit : Here is the simple electronic mosquito repellent circuit which can produce ultrasound in the frequency range of kHz, which can scare away mosquitoes. Jammer circuit produces the high frequency signal which will confuse the receiver of particular system from receiving the signal, even though circuit is working properly, user of the system feels that circuit is not working properly.
The whole circuit is based on IC CA Battery Charger Circuit : This battery charger circuit works on the principle of controlling switching of an SCR based on charging and discharging of battery. Simple Fire Alarm Circuits : Here are two simple fire alarm circuits which are used to detect the fire automatically and inform to the people immediately with an alarm. Wireless Switch Circuit using CD : This is a simple circuit which needs no physical contact with the appliance.
Electronic Letter Box : This is a simple circuit which helps in finding out any letter dropped in our box by stopping the LED lights attached in this circuit. Clap Switch Circuit for Devices : This is another simple but very useful circuit which helps to ON or OFF a device without moving from you place and also helps to control the speed of the electric devices like fan, etc.
The maximum range of transmission is around 2 km. A Subwoofer is a loudspeaker which produces audio signals of low frequencies. It helps to control the home appliances using DTMF technology. Street Lights that Glow on Detecting Vehicle Movement : This article describes about the circuit that switches the street lights on detecting vehicle movement and remains off after fixed time. This system controls the street lights using light dependent resistor and PIR sensor.
So before using your IC, you may check whether your IC is good or bad by using this circuit. So with the help of this unique circuit, we do not need to move from one place to open and close the curtain. Variable Power Supply and Charger : This is a circuit which helps to check or test your electronic projects and also to charge the Mobile phone batteries.
This circuit idea can be modified to design simple projects like Intruder alarm, Anti-theft systems etc. A circuit application that everyone must try out. Fire Alarm Project Objective:- Detect fire in a given area and warn using an alarm system. Though simple in nature this circuit will help you to understand how real-world electronics systems are built.
This circuit is a basic one which senses smoke to detect fire and hence produce an alarm to warn people around. Lead-acid battery charger Objective:- To charge a battery.
So why not try your hands at charging a lead acid battery? Here is a simple electronics project that will let you charge your battery. This circuit is very simple in nature which consists of an LM IC which provides correct charging voltage , a couple of resistors, capacitors and a potentiometer. How can we avoid audio electronics projects? As written in the objective, our aim is to design and implement a simple audio amplifier using IC TL as a preamplifier.