There are a lot of things that a beginner can do with an Arduino. Here is a list of the 30 Best Arduino Project Ideas for final-year engineering students for their minor & major project submissions. Arduino Project Ideas for B-Tech, M-Tech & Ph.D. students.
The report of the Committee on Doubling Farmer’s Income demonstrates that bird species injure crops during the planting, seedling, and maturation stages, resulting in economic losses to the farming local area (DFI).
A mobile scarecrow powered by solar energy that automatically detects bird sounds uses a motor to move its arms and yells to effectively scare away animals and birds. These benefits are offered by the system:
Step motors and stepping motors are other names for stepper motors. because they divide a shaft rotation into several equal steps.
The stepper motor is well known for its ability to transform an input pulse train (usually composed of square waves) into an accurately measured increment in the rotational position of the shaft. The shaft rotates through a fixed angle with each pulse, the Arduino platform enables the user to manage the stepper in three different modes:
To create this system, an Arduino Uno controller, an LCD, a NEMA stepper motor, an optical encoder, a stepper driver, switches, and buttons are used, along with basic electronic components and a PCB.
Here, we use an Arduino Uno to create a PM10 and PM2.5 air pollution monitoring system. The system was developed using an Arduino Uno controller, an OLED Display, a Dust Sensor, a Matrix Keypad, switches, and buttons, in addition to basic electronic components and a PCB.
The system begins analyzing sensor data as soon as the user configures all the settings and selects Start Monitoring. To obtain the most recent data on PM10 and PM2.5 matter, the controller continuously perceives sensor output.
For monitoring, this information is also displayed on the OLED display. The system sounds a buzzer alarm and illuminates an indicator LED to signal an alert whenever the PM2.5 or PM10 level exceeds the corresponding predefined thresholds.
The device has four slots, each with a spring coil that is tailored to accommodate cola cans. Each coil is attached to a motor, which rotates each coil in response to the demand for the corresponding product. By entering a password, the machine owner can feed the soda cans into the system.
The owner can only open the machine by inputting the correct password. The machine is prepared for use once all the products have been added to the trays. A selection of cola options is visible on the tiny LCD once the user approaches the device. The user can choose the required cola using the keypad.
The price of the selected cola is displayed after choosing. The user must now insert the appropriate coins into the machine in the amounts specified. The system returns coins that are inserted incorrectly. The system now takes the payment after determining the correct amount paid.
To drop the can, the controller now activates the motor of the corresponding cola slot. The cans are pushed outward by the coil motion, which rotates the motor of each slot until the outermost can drop into the user bin.
We installed an openable door there, preventing users from reaching for other cans inside the machine and allowing them to only retrieve cans that have dropped into the tray. So, in this section, we’ll research and create the vending machine’s mechanism.
By manipulating mosquito sensors, a machine that has been cleverly engineered to kill mosquitoes will aim to create the ideal mosquito repellent. This system is developed by the machine using a high-powered suction, a heating module, a moisture generator, an electric mesh, and some blue light.
The device attracts the mosquito using its two sensors and then employs an electric mesh to trap and zap it. The gadget starts by heating three rods attached to an electric heating module to about 34 degrees Celsius, which is the temperature of the human body.
To monitor the rods’ temperature and guarantee that it is kept at or near 34 degrees, we work in tandem with a temperature sensor. Additionally, we occasionally produce a mist using a tiny humidifier to mimic human perspiration.
These two systems can be utilized to trick a mosquito’s two senses and entice it to the device. Now, in the center, we use a low-intensity blue light that glows dimly enough to be seen in the dark but not bright enough to scare off mosquitoes.
Three high-torque blowers are employed below the hot rods to draw in any nearby mosquitoes. Two electric zapper meshes are located beneath the fan and are used to employ electric current to kill mosquitoes drawn in by the fan.
The data scanned by the barcode reader is translated by the Arduino development board and shown on a 16 x 2 LCD screen using this barcode reader. A barcode reader module is used by the system to read barcodes and output the code.
The Arduino receives this data via serial input. Arduino decodes this code, which is then shown on a 16 x 2 LCD module that is connected to it. To test and troubleshoot barcode-based systems, the system enables the display of scanned barcodes.
The system will offer the following benefits:
The system comprises the following essential parts:
A gesture control glove that the user wears and an indicator unit that is installed beneath the bicycle’s seat. To produce the desired result, the two nits electronically communicate with one another. An Arduino Pro Mini controls a gyro sensor and an rf transmitter that are part of the glove unit.
A battery powers the glove device. When a user tilts their hand in a particular direction, the gyro sensor sends a tilt command to the glove controller. According to the direction of the tilt, the rf transmitter processes and sends this command to the reception system.
The gyro records the user’s braking motion, which is then wirelessly relayed by the rf transmitter. An atmega controller and an rf receiver are built into the battery-operated indicator device. The atmega controller processes a command after it is received by the rf receiver.
The controller decodes the command and determines if it is a direction or braking command. If it is a direct signal, the corresponding light will glow, and if it is a brake directive, both backlights will illuminate simultaneously.
The controller, a wireless joystick, responds to human commands and enables remote control of robotic equipment. Here, we employ a joystick to transmit steering-type commands from the user, and four push buttons to receive button press commands from the user.
The user has a choice of transmission methods, including Bluetooth and RF frequency. An internal switch on the controller remote lets the user choose their preferred communication method. An atmega 328 controller controls the controller, which is powered by a tiny battery.
To test the delivered commands, we will create a little receiver device. This receiver system also incorporates RF and Bluetooth receivers, and an LCD screen continuously shows commands from both receivers. By doing so, the user can confirm the commands being sent via the transmitter joystick.
To precisely monitor noise levels in three directions, the system uses a set of microphones. To create this system, we are using an Arduino-based controller. All microphone sensors’ noise levels are continuously processed by the Arduino.
The user can adjust the maximum noise levels permitted in the area using the device’s buttons and display. As long as noise levels are below the defined threshold, the system status is green. The device produces a buzzer alert as soon as noise levels are above the predetermined level and waits for the level to decrease.
Transformers, motors, and other related devices are wound using coils. However, the winding procedure is challenging since it demands precision and, if carried out manually, is exceedingly time-consuming. Using a dual motor setup, the Auto oil winder machine automates this process.
To power, the system, a DC motor, and a stepper motor are used. The stepper motor drives the toroid core being wound, while the DC motor drives the coiling wheel. The user can enter the required number of turns, the core’s outer dimension, and the amount of core that needs to be wound.
The system is currently using this data to provide the required results. We employ two additional rollers to hold and rotate the core ring in the machine in addition to the stepper motor roller that drives the core. As a result, the system offers a completely automated mechanism for coil wrapping with a motorized setup.
The Automatic hydroponic grow pot provides the following advantages:
The system makes use of a grow light, light dimmer circuitry, water pump, water tank, LCD, and water sensor along with Arduino controller-based control circuitry to develop the system. An AC power supply powers the system to run the circuitry.
The system circuitry s powered by a dc power supply which allows the user to adjust grow light as well as the watering settings. As per the settings provided to the device, the system will adjust light intensity and duration along with watering duration to achieve desired plant growth.
The system also has an inbuilt water tank for reserve water which allows the system to water the plant for up to a week. When the water tank supply runs low it is detected by the water sensor which then activates a buzzer alert with a notice n the LCD to inform the user to fill the reserve tank.
Thus the system delivers a fully automated Arduino-powered hydroponic plant grow and care device.
The gesture-based speaker takes Bluetooth speakers to the next level of modernization. The device makes use of a 6-watt speaker with a subwoofer along with Arduino, a battery charging board, a Lidar sensor, an audio amplifier IC, a Bluetooth module, and a d Battery Set.
The system uses a Bluetooth module to allow phones to connect to the speaker for audio input. The speaker also allows for an AUX connection for audio input and a separate charging input connector for battery charging. The audio signal received is amplified by the amplifier IC to boost the signal without any data loss.
This signal is now passed on to the speaker module to be converted to quality sound. The Lidar sensor is mounted on top of the Bluetooth speaker. The input from the sensor is processed by Arduino and passed on to the controller to increase/reduce volume, switch songs or turn on the speaker.
This allows for a contactless speaker operation. The battery pack is used to supply power to the entire device. The battery power and discharge are controlled by the battery charger and protection circuitry. This circuitry also includes an inbuilt logic system to turn off the system automatically to save power when not in use for over 5 minutes.
A rain sensor, an Arduino controller, and a transparent plastic cover make up the modern umbrella’s DC motorized system. A novel modern invention that alters the way umbrellas are utilized is the rain-detecting umbrella system. Rainfall is detected using the rain sensor.
The sensor alerts the Arduino controller to the presence of rain if it is detected. The little umbrella shed is now opened by the motors controlled by the Arduino, shielding the person from the rain. Additionally, the user can activate umbrella opening and closing operations by pressing a button.
Four drone motors and propellers, an Arduino Pro Little F3 EVO controller, a buzzer, and a lidar sensor make up the mini drone. To identify any impediments in front of it, the lidar sensor uses infrared technology.
If an obstacle is found, the controller decodes the lidar signal and activates a buzzer and light to warn the user of the closeness of the block. By altering the frequency of the buzzer and leading according to proximity, the operator is constantly informed of nearby objects so that the drone may be maneuvered safely without colliding.
The little drone’s four motors are used for both takeoff and flight control. To achieve the required flying movement, the RC controller commands are translated and used by the flight controller through the rf receiver.
The drone makes use of an Arduino Pro mini to sense the proximity using LIDAR and operate the led and buzzer accordingly. Thus we get a lightweight micro drone that can take off from anywhere, fly indoors or in forests or gardens, and sense obstacles using LIDAR proximity sensing.
The system’s complete processing system is controlled by an Arduino. Here, settings and other parameters are displayed on an LCD screen. The device has a syringe mounting that keeps the syringe in place and presses the loot progressively by predetermined specifications.
The plunger pusher is driven by the device’s motorized ball screw base mechanism. The device’s keypad and the internet can both be used to set the device’s parameters.
The appropriate doctors can notice the device activated on their online portal when the device’s internet management option is enabled. The device settings allow you to change the flow direction, flow rate, syringe brand and size, total dosage to be administered, and other options.
The machine determines the plunger push rate after receiving parameters from the user offline or via IOT. Based on this, the motor runs precisely to guarantee that fluid is delivered gradually at the predetermined flow rate until the desired volume is delivered, at which point it automatically stops with a led alert and an internet alert to indicate that the dosage has been successfully administered.
For efficient cooling, the system uses 4 Peltier modules. Each Peltier module has a built-in heatsink and a more fantastic fan for cooling the hot side of the module so that the other side can be effectively cooled.
The temperature in the refrigerator can be set and controlled using a panel with an LCD. The refrigerator’s control panel allows the user to set the desired temperature. To accomplish the appropriate cooling, the refrigerator activates the penalties.
An internal temperature sensor continuously detects the interior temperature and feeds that information to the controller. To maintain the ideal temperature for vaccine storage, the controller now controls the penalties.
The system consists of an Arduino Uno board, a GSM/GPS Module, and an Mq-3 alcohol sensor for detection and notification, respectively. In the case of a sober driver, where the alcohol content is below the permissible limits, the car will operate normally, which is indicated by the motor rotating.
However, in the case of a drunk driver, where the alcohol content would be higher than the permissible limit, the motor will be stopped to prevent drunk driving and an SMS notification with the location of the car will also be sent. An LCD is also included in the project for parameter display.
The Arduino controller takes user input for time setting and starts sterilization when the start button is pressed. It automatically shuts off when the sterilization time is completed. Also, an automatic shutoff system shuts off the sterilization if the lid is opened by the user between ongoing sterilization.
When the board is turned on, two motors are started to blast air into the dining area. This, combined with the holes punched in the top layer of the table, causes a progressive release of air, resulting in a board with low friction ideal for air hockey.
An Arduino Uno is used to power the device, and two LCD screens are used to show the score. To track goal scores and update scores on all 4 monitors, IR sensors are built into each of the 4 goal posts. The IR Sensors locate the puck when a goal is scored and update the score in the system.
Each participant has access to 4 buttons on the system that they can use to exit the game. When a player leaves the game, the score is stopped, the goal post is deactivated, and the remaining players can play 2 against 1. The remaining two players can engage in a one-on-one match if a third participant leaves the game.
The scores of inactive users are frozen by the system until they become active again. Users can reset all scores to 0 and start all players over under a different system. A team’s score can be set by the user, and when it is reached, the team is declared the winner, and winning music is played for them.
Our machine goes ahead to another level to enable even more water-saving using a fog-based system. The machine is integrated with a tank below it. The tank is filled with water along with any safe herbal disinfectant liquid if required.
When the user rubs soap on his/her hands and inserts it into the system, this automatically triggers a water fogging system that converts water in the tank to fog and drives it into the hand wash chamber. Now Fog can reach all corners of the hand in less than 5 seconds as it is in a gaseous state (water vapor).
After 5- 15 seconds of water fog exposure, the soap on the user’s hand is washed down with the fog. This requires less than 95% of the water that would be required in traditional tap-based hand washing. The machine consists of a fan to drive in the air that is needed to drive the fog into the hand wash chamber.
The hand wash machine is driven by an Atmega-based control system that allows for manual settings. These settings include the time for which the machine must drive the fog for each user. Thus our proposed machine allows for hand washing for disinfection at the same time while saving lots of water.
Shopping is easy, but standing in line to pay for something may be monotonous and uninteresting. Long lines are caused by heavy traffic and the time it takes the cashier to prepare the bill using a barcode scanner.
An automated billing system that may be installed inside the shopping cart is the centerpiece of this creative invention. The RFID reader used in this automated payment system is managed by Arduino.
Therefore, anytime a customer places a product in their cart, the RFID module detects it and displays the product’s price along with it on the LCD. All of the products are identified by the module as the shopper continues to add them, therefore the price will rise in step.
If a customer decides against adding a product to the cart, they can do so and the price added will be automatically subtracted. The customer will click the button after their purchase, which, when pressed, sums up all the items and their costs to determine the final amount due.
The shopkeeper can use a master card to check the items purchased at the exit for verification. Therefore, this strategy is suited for usage in settings like supermarkets because it will reduce the need for staff while improving the shopping experience for customers.
A battery charger, also known as a recharger, is a tool used to push an electric current through a secondary cell or rechargeable battery to transfer energy into it. The size and kind of battery being charged determine the charging protocol.
A switch mode power supply that can communicate with intelligent battery packs and battery management systems to control and monitor the charging process is the main component of a smart battery charger.
The Arduino platform powers this intelligent charger. Three 12V batteries can be charged simultaneously by this intelligent charging device. When a battery is fully charged, it immediately cuts the power to the battery. It has an automatic power-cutting system.
The system makes advantage of the high-performance 8-bit AVR RISC-based Atmega-328 microprocessor. It has 1KB of EEPROM, 2KB of SRAM, and 32KB of ISP flash memory with read-while-write capabilities.
Additionally, it contains 32 general-purpose working registers, 23 general-purpose I/O lines, and three programmable timers/counters with compare modes. The system uses an HC-SR04 Ultrasonic Range Finder Distance Sensor Module to measure distance.
The sensor module uses the SONAR or RADAR principle, which uses an ultrasonic wave to calculate the distance to an object, and measure distance. The device also includes a motor to produce vibration signals and a buzzer to produce an alarm sound.
Here we propose smart glasses for electrical works for easy voltage measurement while working. Usually, while testing/troubleshooting electrical works/PCB the person faces issues while placing probes on 2 points and looking at the multimeter at the exact time.
This consumes a lot of time as well leads to faulty/improper measurements. To solve this issue we propose to integrate a voltage display through the user’s glasses for a virtual voltage display while troubleshooting/ testing the system.
We use a raspberry pi based circuit for processing and displaying output. The glass frame is made using a smartly constructed miniature frame. The frame is constructed to fit a mini display along with circuitry and the display lens used for the desired reflection on the glass frame.
The system is fabricated to fit easily on a person’s ears and enable the person to view the circuitry along with the voltage measured. The circuit consists of a voltage measurement circuit that is integrated into the glass to get the voltage inputs to the raspberry pi display. Thus we have an efficient voltage measurement display using raspberry pi.
This issue is resolved by our system. If a woman is going alone on a lonely road, down a dark alley, or in any other isolated region, she is to turn on this gadget beforehand. The system can only be started by a woman who has authenticated the devices using her fingerprint.
Once the device is activated, the woman must continuously scan her finger on the system once per minute; otherwise, the system broadcasts her location by SMS message to the authorized personnel number as a security measure and continuously beeps so that people in the area are aware of the issue.
In this case, even if someone hits the woman or the woman falls and gets unconscious, she does not need to do anything, the system does not get her finger scanned in 1 minute and it automatically starts the dual security feature.
This device will prove to be very useful in saving lives as well as preventing atrocities against women. The device uses a GPS sensor along with a gsm modem, LCD, LEDs, and a microcontroller-based circuit to achieve this system.
Pulses from the energy meter are counted and shown on the LCD. These pulses come and go based on how much energy is used. GSM can deliver SMS messages about how much energy is used. Transformer with a 12-volt supply to power the system.
The user must place a call, which will be picked up, seen on the LCD, and recorded. When the setup mode is reached, the user can choose to start or set an option, such as setting the unit cost. Depending on user commands received via SMS, the system turns the loads ON or OFF.
The system also has a function that allows users to enter the number of days they want to recover their consumed data as well as the projected cost for those days.
Spy robots are not good for spying on rough terrains due to their wheeled mechanisms. Robots and drones get stuck due to their inability to work on rough terrains. Here we propose a rough terrain beetle robot that can navigate with easy through jungles and hilly and rocky areas with ease.
Its small size allows it to get go through rough terrains like a small animal crawling through the jungle with very little noise. The robot uses a crawling mechanism to achieve this task. The robot uses a microcontroller-based circuit to control the motors and achieve the desired movement.
The robotic vehicle uses specialized climbers to climb and descend on hilly terrains. The climbers also allow it to crawl easily through bushes and grass. Also, it allows the robot to cross rocky paths and obstacles. The robot is remotely controlled by a joystick remote.
This allows the user to remotely control the directional movement as well as the speed and power of the robot. The joystick uses of transmits the commands to the robot remotely.
The robot circuit consists of a microcontroller-based circuit that receives commands from the user and then instructs the motors through the driver IC to achieve the desired movement. Thus we here put forward a rough terrain small-size beetle robot.
A fully automated car parking system is displayed in the system. IR sensors, motors, an LCD screen, and a microcontroller are all used for this purpose to regulate how the system operates. Our solution includes an LCD that serves as a parking gate entrance display during demonstrations.
When a new automobile pulls up to the gate of the parking area, the display shows empty spaces. The mechanism does not open the gate and displays parking full if there are no parking spaces available.
When a slot is vacant, the computer enables a car to enter the parking lot and shows unoccupied spots where the user can park. The system makes use of IR sensors to identify occupied car slots.
Also, the system uses IR sensors to detect vehicles arriving at parking gates and to open the gates automatically on vehicle arrival. The microcontroller is used to facilitate the working of the entire system.
This is the smart coin-based mobile charging system that charges your mobile for a particular amount of time on inserting a coin. The system is to be used by shop owners, and public places like railway stations to provide mobile charging facilities.
So the system consists of a coin recognition module that recognizes valid coins and then signals the microcontroller for further action.
If a valid coin is found it signals the microcontroller and the microcontroller then starts the mobile charging mechanism providing a 5V supply through a power supply section to the mobile phone, now system also needs to monitor the amount of charging to be provided.
So the microcontroller starts a reverse countdown timer to display the charging time for that mobile phone. Now if the user inserts another coin in that time, the microcontroller adds the time to the currently remaining charging time and starts the reverse countdown.
So the system can be used for smart mobile charging in public places.
When a person on a bicycle has an accident, there is a possibility that he or she could sustain a major injury or pass away instantly without anyone nearby to assist. Well, this method offers a fix for the issue.
The system serves as an accident identification system, gathering and transmitting the details of the involved vehicles to the closest control center. For this, an RF transmitter circuit that includes a vibration sensor, microcontroller, RF encoder, and an RF transmitter is fixed to the user vehicle.
An RF receiver must be installed in every control room to receive the signal. The vibration sensor detects and outputs whenever a used vehicle is involved in an accident. The microcontroller then notices this output. This change detection signal is now sent by the microcontroller to an RF transmitter.
This accident data is now being transmitted by the RF transmitter. The signal is read by the closest RF transmitter, which then displays it on an LCD screen. The person seeing the LCD panel may react to it, travel to the scene of the accident, and render assistance as needed.
Looking to develop a smart traffic management system? Look no further than our engineering project…
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