ELECTRONIC SENSOR CIRCUITS & PROJECTS PDF

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MINI ELECTRONICS PROJECT WITH CIRCUIT DIAGRAM. Book · April circuit and also a proximity sensor for path-tracking robots. Engineer's Mini Notebook Vol III Electronic Sensor Circuits Amp Projects - Download as PDF File .pdf) or read online. Electronics Notebook. cyctabelebelt.gq - Download as PDF File .pdf), Text File .txt) or read online. The light sensor in this circuit senses the car back light and turn on its.


Electronic Sensor Circuits & Projects Pdf

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Sensor. Projects. Forrest M. Mims III. Scanned & converted to PDF format by: POWER SENSOR CIRCUITS WITH BATTERIES. 2. ELECTRONIC SENSORS. The alarm, sensor, and security circuit cookbook / by Thomas. Petruzzellis. p. cm. Cameras t. e. * 6 Alarm-system design philosophy. Doors, keys, and locks . next project is a self-contained camping alarm system, followed. ELECTRONIC SENSORS. Go-NO GO SENSORS. ANALOG SENSORS. BASIC SENSOR CIRCUITS. SENSORS AND COMPUTERS. TOUCH SWITCHES.

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. We have collected best electronics projects list from various resources and listed them below in a tabular form. You may get best idea by reading all these project ideas and if you are interested, you may give few suggestions, comments, new electronics projects ideas also.

Electronics Projects for Engineering Students: Water Level Controller using Microcontroller : Here we are designing the circuit which is used to detect and control the water level automatically in overhead tank using microcontroller.

It is used in industries to control the liquid level automatically. Car Parking Guard Circuit Using Infrared Sensor : This circuit helps the person in the driving seat in such a way that it gives an alarm if there is any obstacle or a wall while parking or while driving in reverse. It is very useful in our real life. Cell Phone Detector : This is a simple circuit which helps to detect the presence of an activated cell phone by detecting the signals in the frequency range of 0.

It helps in mobile phones tracking which are used for spying. Bidirectional Visitor Counter using : This Bidrectional Visitor Counter Circuit is helpful to count the number of persons entering or leaving a room and to display it on a screen. Password based Circuit Breaker : This password based circuit breaker project is built using controller and is used to switch off the power supply to the line by entering a password.

Temperature Controlled DC Fan using Microcontroller : The main principle of the circuit is to switch on the fan connected to DC motor when the temperature is greater than a threshold value. This can be used in home applications and in cpu to reduce heat. Auto Intensity Control of Street Lights : This is a simple circuit that automatically controls the intensity of street lights which is designed using microcontroller and LEDs. Line Following Robotic Circuit using ATMega8 Microcontroller : This line follower robot is a basic robot that follows a specific path indicated by a line having some particular width.

This circuit works on the principle of IR communication. This circuit can be mainly used for indication purposes. This circuit works on analog to digital conversion principle.

It can be used at homes, mobile places like cars to keep a track of the temperature. We have to arrange one IR sensor for each road; these sensors always sense the traffic on that particular road.

Latest Simple LDR Projects for Engineering Students

All these sensors are interfaced to the microcontroller. Based on these sensors, controller detects the traffic and controls the traffic system. Automatic Washroom Light Switch : This is a simple but very useful circuit in our real life which helps to automatically turn On the lights when a person enters the washroom and it automatically turns Off the lights when he leaves it.

Automatic Door Bell With Object Detection : This automatic doorbell with object detection circuit helps to sense the presence of a person or an object automatically and rings the doorbell.

Water Level Indicator : This Water Level Indicator project employs a simple mechanism which helps to detect and indicate the water level in an overhead tank or any other water container.

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Password Based Door Lock System using Microcontroller : This system demonstrates a password based door lock system wherein once the correct code or password is entered, the door is opened and the concerned person is allowed access to the secured area. After some time, the door would be closed. Read this post completely to get more information. Boolean Algebra Calculator : This Boolean algebra calculator is an interesting project which is more useful in our real life by working as a portable calculator to simplify the Boolean expression on the fly.

In our circuit, we use Boolean algebra simplification methods like the Quine-McCluskey algorithm to simplify the Boolean expression and display the output on the display. Mobile Jammer Circuit : This circuit is used to block the signals of cell phones with in the range of meters. This circuit can be used in TV transmission and also for remote controlled toys or play things.

By using this circuit, there is no chance to cheat as the circuit operates at such a high speed that the circuit is almost imperceptible to the human eye.

Metal Detector Circuit : This is a simple metal detector circuit which is very useful for checking the person in shopping malls, hotels, cinema halls to ensure that person is not carrying any explosive metals or illegal things like guns, bombs etc. Panic Alarm : This panic alarm circuit helps us to intimate others regarding our bad situation without any delay. It is more useful when an intruder entering our house or bad health status at which we are unable to intimate to the people around us.

Wire Loop Breaking Alarm : This circuit works as a continuity tester device which tests the continuity of the wire at hand. It is an indispensable tool to check broken wires and undesired shorting of wires. Rain Alarm Circuit : Rain water detector will detect the rain and make an alert; rain water detector is used in the irrigation field, home automation, communication, automobiles etc.

Here is the simple and reliable circuit of rain water detector which can be constructed at low cost. Automatic Plant Irrigation System : This project circuit is more useful in watering plants automatically without any human interference. It is more useful when the owner is not present in the home for few days.

Lead Acid Battery Charger Circuit : Lead Battery is a rechargeable battery and is more useful in our real life as it will dissipate very little energy, it has very low energy to weight ratio, it can deliver high current, can work for long time with high efficiency and is very low cost.

Motion Detector Circuit : The motion detector is not only used as intruder alarm but also used in many applications like home automation system, energy efficiency system, etc. The motion detector will detect the motion of the people or objects and give the appropriate output according to the circuit. This circuit can be mainly used in scoreboards. Two identical circuits are needed, one is for left and the other is for right. 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. Servo motor rotates the sensor at particular angle.

Electronics-Project-Book.pdf

This system allows the user to monitor the temperature, lighting etc of the tank. Arduino sends the status of these sensors the user, accordingly user can control these parameters. Automatic Pet Watering System : The automatic pet watering system, monitors the water level in the tub. If the water level is below the fixed, it automatically fills water into it.

Water level is sensed using ultrasonic sensor. The two sensors are infrared proximity sensor and ultrasonic range finding sensor. The IR sensor has a light source, which bounces the infrared light from the objects to the sensor.

The ultrasonic range finer sensor produces the high frequency sound waves and calculates the echo time, to determine the distance. This process is used to replicate certain parts of the DNA. The process carried out in a device called thermocycler. Here a simple thermocycler of low cost and easy to use was proposed. IOT is used to monitor these parameters in the system. Mind Controlled Arduino Robot : This project shows a robot that works on electrical signals generated from the brain.

It requires Arduino, EEG band. When you focus more on the robo moves fast, if you wander it slows down automatically. Deltu Gaming Robot : Deltu is a gaming robot that plays small games with the user. The user should mimic it. If not it will shake side to side, stops playing and opens the camera, take pictures and upload them to Instagram. This fish is made up of Arduino, bent PVC pipe. This fish can be controlled using TV remote. The tail is powered through water.

Bluetooth app is used to control the robot. Bluetooth receiver is connected to the robot via Arduino. Arduino Based Line Following Robot : The Arduino based line following robot is operated by two servo motors at its wheels. The servo motors and the light sensors work with coordination move the robot on specific line. Arduino Based Obstacle Avoiding Robot : The Arduino based obstacle avoiding robot will be able to move away or shift its path by sensing the obstacles.

This project uses the concept of distance measuring using distance sensor drivers. Arduino Based Robotic ARM : The Arduino based robotic arm project is a simple robotics project which uses the Arduino board to control the robotic arm. We can move this arm by sending commands through Arduino.

Artificial sticks are moved according to the music and play the drum.

The movement of the sticks are controlled by the Arduino. By this, we can control the robot with our computer by using motor controller and distance sensor and Bluetooth slave in the robot. Robofish — Swimming Arduino Robot : Robo fish- the name itself denote that this project is to build a robofish and controlling it.

In this project we design a fish and make it to swim in pool or water like original fish, skipping the obstacles.

It uses 3 servos to swim and position sensors to avoid obstacles.

Self-Balancing Segway-Like Robot Arduino : The operation of self-balancing Segway is just like robot, which uses gyroscope to measure the tilt and adjusts itself automatically. This project uses the analog accelerometer along with the Arduino board to control itself. Simple Obstacle Avoiding Robot Arduino : The obstacle avoiding robot can be designed by using Arduino and distance sensors. By using this project, we design a robot which senses the obstacles in its way and it avoids automatically.

The wireless connectivity of the Arduino based automation system uses the simple components like relay and resisters. It controls the home appliances by using the Wi-Fi enabled device. Arduino Based Wireless Power Meter : The Arduino based wireless power meter is to measure the number of units of power of an acceptable range.

The main goal of the project is to present the accurate information of consumed energy, to the user. RC Car Controlled Via the Web : The main goal of this project is to control the motion of a remote controlled car by using web and Arduino.

Tweet-A-Watt Wireless Electricity Monitor : This Arduino based project is used to monitor the power usage of the household appliances through social media. The Arduino will monitor the power usage of appliances by using heat shrinks. By connecting to the social media in this project we used twitter we will get notified by getting push messages by using Arduino. By using this project, we can develop the multiplayer chess game, controlled by using Arduino.

Xbee Wireless Accelerometer : This project is to design the xbee based accelerometer by using Arduino. The xbee will work as data receiver. By programming the Arduino, we can control the accelerometer sensor operation. Arduino Wireless Animatronic Hand : The wireless animatronic hand project is like robotic hand moment project.

In this project, we will move the hand by controlling its operations by the Arduino. The servos implemented in the hand glove will move according to the Arduino instructions. This project describes the measurement of these data and transferring to the mobile device via Bluetooth. AN example controlling an Led sing blue tooth is shown in this project Arduino Bluetooth Android to Arduino Communication : This project is based on both the android and Arduino, which lets you to control your Arduino kit by using the Bluetooth of the android smart phone.

To communicate with the Arduino, android need an interface, Android. By using this interface, android sends the text commands to Arduino. Several sensors were used for monitoring the various parameters in home.

Gestured Controlled Smart Home : A gesture controlled smart home system is proposed here. This project uses Mayo for detecting the hand gestures. These gestures are used for controlling the appliances.

Homes are fitted with different sensors. Data from these sensors like when they woke up, medication taken etc. The proposed project controls the home appliances using smart home. Arduino plays a key role by processing the data. Arduino is used to proceeds the data received from RF and control the appliances. In this project we design an instrument to detect the presence of gas by using a sensor and we indicate it by using a 7 segment LCD display.

The gas detection and indication operation is achieved by an Arduino. Arduino Based Home Security System : The Arduino based home security system is used to for providing security to the living places.

With this, we can provide safety and can prevent theft and theft attempts, and un authorized entry of restricted persons. Arduino Based Security System : The Arduino based home security system is used to for providing security to the living places. This Arduino based night security alarm is used to for providing security at night times.

With this, we can provide safety and can prevent theft and theft attempts. Arduino Security Alarm with Reed Switch : The Arduino security alarm with read switch project is used to alert the user by sending or ringing alarm at if any theft attempt is observed by the sensor. This is a home automation and security project based on Arduino along with reed switch and piezo buzzer.

Notifying Doorbell with Pushingbox : The Arduino based notifying push bell is a home security based project. In this project, we are able to hack the doorbell in order to send the push notifications to mobile.

We can also send an email with an attached picture when somebody is present at the door. The Arduino programming will work along with pushing box service to do this task. We can control the quadcopter by remote. The quadcopter uses the servo motors at its rotors and by controlling the motors we can control the speed of the quadcopter. Open-Source Quadcopter : In this project we design an Arduino based open source quadcopter to navigate and provide the dangerous areas such as war fields.

This can be used for the surveillance of the situations and also to send the information to radio stations without putting any human in risk.

For this, it uses the Arduino flight controller board along with various sensors, such as gyro scope and accelerometer. We may provide additional sensors to hold the altitude level of the quadcopter. The authorization is provided by the RFID card. The whole process is controlled by an Arduino. The cage door will open only when the pet wears the appropriate RFID tag. Using this Arduino project, we can protect our pet from other animals. It produces a rotating moving laser beam by using the servos attached in it.

Using two servos, an Arduino you can provide your cat with endless fun. Fantastic Arduino Laser Harp : The Arduino laser harp is a musical instrument which produces light beams. When this Arduino controlled laser harp is connected to any synthesizer, it will make some MIDI tunes along with light effects. This Arduino based project works depending on the photo resistors.

The photo resistors are connected in a particular manner to receive the laser beam from a simple laser. Laser Maze Powered by Arduino : Laser maze circuit is a security application, designed by using Arduino. It is mostly used in jewel store to prevent theft and to catch intruders.

This project uses Arduino to control the laser maze and ring an alarm when the maze is disturbed. Arduino platform can be used for simple counting operations.

The seven segment display will display the numeric numbers by depending upon the Arduino sketch.

LDR Projects

It also uses a LCD for display purpose and a real-time clock module. The whole circuit will be built on a prototyping shield and connected to a power supply. The piezo electric buzzer will ring at the present time intervals. Arduino Based Auto Intensity Control Of Street Lights : The main aim of this project is to continuously monitor the power using devices and controlling their power consumption.

This light intensity controlling system will use the bunch of LED lights along with the Arduino. The operation and intensity of the LED will be controlled by Arduino, by considering the requirement of the light at peak hours and non-peak hours. Arduino Based Autopilot System : In this project we design an Arduino based aircraft auto pilot system, to navigate and provide live video from the dangerous areas such as war fields.

This can be used for the surveillance of the situations and also to send the weather information to radio stations without putting any human in risk. The main aim of the project is to create the charger by using Ni — Mh batteries. The battery charging can be monitored by Arduino.

Arduino Based Car Parking System : This project explains us the automated parking system of vehicles.

You can modify the circuit by placing LEDs instead of the volt lamp. To know more about it, check out the comments given in the circuit.

The circuit is comparatively easy to design, and further modifications can be made according to your choice. Here a simple circuit that can be used to charge batteries is designed and created. The circuit consists of basic transistor switching methods and the components are cheap and are available in all electronics shops. A detailed description of the post is also given, which will give you a better idea.

The air flow is sensed with the help of an incandescent bulb filament. The variations due to the change of resistance in the bulb due to the air flow are given to the input of an LM operational amplifier. The circuit diagram and a better description of the circuit are given in the post above. Further modifications can be brought to the circuit and some of them are given in the comments section. This circuit uses a basic astable multivibrator made from a timer IC. A resistance probe is set on a point at which the alarm is to set ON, as soon as the water rises up to that level.

The number of components needed for this circuit is very less and can be easily assembled on a PCB. A transistor sensor called BC is used to sense the heat produced due to the fire.

A preset level can be kept for the transistor. As soon as the temperature rises above the set preset level, the leakage current of the transistor rises, thus driving the other transistors in the circuit.Mobile Jammer Circuit : This circuit is used to block the signals of cell phones with in the range of meters. By using a human mind flex interface we can read the data in the EEG toy with certain baud rate. Lead Acid Battery Charger Circuit : Lead Battery is a rechargeable battery and is more useful in our real life as it will dissipate very little energy, it has very low energy to weight ratio, it can deliver high current, can work for long time with high efficiency and is very low cost.

It just produces a sound to confirm connectivity. We have developed this using Avr Atmega8 microcontroller. Preset 7. Assemble the circuit making sure that electrolytic capacitors are the right way round. Identify the positive and negative wires of LED. More Ideas You can add more resistances in increasing order and more push buttons to extend your piano keys. Doorbell : Doorbell shows the connecting of a device to the cloud.