The Smart Coffee/Drink Temperature Control Cup uses a Peltier module and Arduino Uno to maintain your beverage at the perfect temperature. Equipped with sensors, it continuously monitors the liquid’s heat level and adjusts accordingly using the Peltier effect. An OLED display shows the current temperature, and users can set their preferred heat via touch buttons or a mobile app using IoT (ESP8266/ESP32). Ideal for office desks or home use, it ensures your drink stays warm without overheating. Portable and USB-powered, this smart cup combines convenience and innovation for tech-savvy coffee or tea lovers.
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Aero Space Robotics Kit for STEM Education
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Industrial Services
Start Your Own Business As Franchise
Join Computronics Lab as a franchisee with low investment and receive full support. Best offer for budding entrepreneurs or working professionals. Offer cutting-edge electronic components, services, and projects at your location. Become a tech leader in your city.
We charge a modest consultation fee to ensure we can dedicate the necessary time and effort to thoroughly understand your project requirements. This fee will be discounted from your final bill if you proceed with the project. Otherwise, the consultation fee is non-refundable.
SKU: n/a -
Industrial Services
Robotics Lab Setup – Support and Maintenance
We help in setting up a comprehensive robotics lab for schools and colleges, fostering hands-on learning, innovation, and STEM education with advanced tools and resources for building and programming robots.
We charge a modest consultation fee to ensure we can dedicate the necessary time and effort to thoroughly understand your project requirements. This fee will be discounted from your final bill if you proceed with the project. Otherwise, the consultation fee is non-refundable.
SKU: n/a -
Industrial Services
PCB Designing
Our vision is to be at the forefront of PCB designing innovation, fostering a global community of engineers and enthusiasts united by a passion for creating world class products.
We charge a modest consultation fee to ensure we can dedicate the necessary time and effort to thoroughly understand your project requirements. This fee will be discounted from your final bill if you proceed with the project. Otherwise, the consultation fee is non-refundable.
SKU: PCB Designing -
Industrial Services
Buy Branded Industrial Products from Authorised Dealers
Connect with suppliers of all types of branded industrial products. Quality solutions for all your industrial needs. Reliable, efficient, and trusted globally.
We charge a modest consultation fee to ensure we can dedicate the necessary time and effort to thoroughly understand your project requirements. This fee will be discounted from your final bill if you proceed with the project. Otherwise, the consultation fee is non-refundable.
SKU: n/a -
Industrial Services
Product Prototyping Service
Explore PCB Designing & Product Prototyping: from concept to creation, accelerate innovation with iterative designs, testing, and refining for market readiness.
We charge a modest consultation fee to ensure we can dedicate the necessary time and effort to thoroughly understand your project requirements.
SKU: Product Prototyping -
Industrial Services
Software Programming
Software programming charges refer to the fees charged by developers or agencies for creating, testing, and maintaining software applications. These charges vary based on several factors:
- Project Type: Custom software, mobile apps, web development, and enterprise solutions all have different costs due to varying complexity and functionality.
- Pricing Models: Common models include hourly rates, fixed pricing, milestone payments, and retainer fees. Hourly rates generally range from $20 to $200 per hour, depending on the region and developer experience.
- Complexity and Scope: More features, integrations, and scalability lead to higher costs. Larger projects with custom functionalities, such as e-commerce platforms or enterprise systems, will cost more.
SKU: Software Programming Charges
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B.Tech Diploma Mini Projects
NAND NOR Gate
Click Here to Download the Circuit Diagram of “NAND NOR Gate”
The NAND NOR Gate project explores the fundamental building blocks of digital logic circuits. By constructing and testing NAND and NOR gates using logic ICs or discrete components, this project demonstrates how these gates perform basic logical operations. The NAND gate outputs true only when not all inputs are true, while the NOR gate outputs true only when all inputs are false. The project involves wiring the gates in a breadboard circuit and verifying their functionality with various input combinations. This practical exercise provides insights into how these gates are used to create complex digital systems and perform logical decision-making tasks.
SKU: nand-nor-gate-project -
B.Tech Diploma Mini Projects, Solar Based Projects
Single Axis Solar Tracker using IC555 and LDR
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B.Tech Diploma Mini Projects, Solar Based ProjectsSingle Axis Solar Tracker using IC555 and LDR
A Single Axis Solar Tracking System using an IC555 timer and LDR (Light Dependent Resistor) adjusts the position of a solar panel to maximize sunlight exposure. The IC555 functions as a controller, while the LDR senses light intensity, ensuring the panel aligns with the sun for optimal energy generation.
SKU: Single Axis Solar Tracking System using IC555 and LDR -
B.Tech Diploma Mini Projects
Security Alarm System
A Security Alarm System is designed to detect unauthorized entry and alert users of potential security breaches. It typically includes sensors (such as motion detectors, door/window contacts), an alarm unit (sound or notification system), and control panels for monitoring and managing the system. Integrated with communication features like GSM or Wi-Fi, it provides real-time alerts and remote monitoring, enhancing security for homes, businesses, and other properties.
SKU: security-alarm-system-project -
BTech Final Year Electronics Projects, Electronics Projects (BTech MTech)
Solar-Based Irrigation System Using Arduino
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BTech Final Year Electronics Projects, Electronics Projects (BTech MTech)Solar-Based Irrigation System Using Arduino
The Solar-Based Irrigation System is an innovative project designed to enhance water management in agriculture using renewable energy and automation. By integrating solar power, sensors, and Arduino, this system ensures efficient irrigation while minimizing water and electricity wastage.
SKU: Solar-Based Irrigation System Using Arduino -
Electronics Projects (BTech MTech)
Ultrasonic Radar System Using Arduino
The Ultrasonic Radar System using Arduino is an advanced project designed for detecting and tracking objects within a specific range. It uses an ultrasonic sensor (HC-SR04) to measure distances and a servo motor to scan the area. The data is visualized on an LCD display or a computer screen using Processing software. This system mimics the working of real-life radar systems and is ideal for security applications, robotics, and obstacle detection.
SKU: Ultrasonic Radar System Using Arduino -
B.Tech Diploma Mini Projects
Tesla Coil
The Tesla Coil project demonstrates wireless transmission of high-voltage electricity using a 2SC5200 transistor, a 3.7V battery, and copper coils. The primary coil generates a magnetic field, inducing voltage in the secondary coil. This creates a spark or lights up nearby objects wirelessly, showcasing electromagnetic induction and high-frequency resonance principles.
SKU: Tesla Coil
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Batteries
Battery 9V with Clip
The Battery 9V with Clip provides convenient power for various electronic devices and DIY projects. Equipped with a snap-on connector, it ensures easy and secure attachment. Ideal for powering small electronics, prototyping circuits, and educational experiments, offering reliable performance in a compact form.
SKU: battery-9v-with-clip -
Arduino Uno Programming Board's
Arduino Uno R3 SMD with Cable
The Arduino Uno SMD is a compact, durable version of the popular Arduino Uno board. Featuring surface-mount components and the ATmega328P microcontroller, it offers 14 digital I/O pins, 6 analog inputs, and a USB interface for programming. Ideal for prototyping, education, and DIY electronics projects.
SKU: arduino-uno-r3-smd -
Servo Motors
Servo Motor SG90
The Servo Motor SG90 is a compact and lightweight servo, perfect for precise control in robotics and model projects. With a 180-degree rotation range, it’s ideal for steering, arm movements, and other motion control tasks. Its reliability and ease of use make it a popular choice for hobbyists and professionals alike.
SKU: servo-motor-sg90 -
Sensors and Modules
Ultrasonic Sensor Module
The Ultrasonic Sensor is a versatile device used for distance measurement and obstacle detection in robotics and automation. By emitting high-frequency sound waves and measuring the time it takes for them to return, it provides accurate distance readings. Ideal for applications such as collision avoidance, level sensing, and object counting, it enhances the functionality of various electronic systems.SKU: ultrasonic-sensor -
Arduino Accessories
Jumper Wires Male to Male 40 Pin
High-quality 40-pin male-to-male jumper wires for Arduino, Raspberry Pi, and breadboard projects. Perfect for prototyping and circuit connections. Durable, flexible, and easy to use for all your electronics needs.
SKU: jumper-wires-male-to-male-40-pin -
Arduino Accessories
Breadboard 400 Points Medium
The Breadboard with 400 tie-points is ideal for medium-sized electronics projects. It features a balanced size, self-adhesive backing, and solderless connections, making it easy to use and perfect for designing and testing circuits. Suitable for educational and DIY projects, it is compatible with various standard components.
SKU: breadboard-400-points-medium
Products Grid
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Raspberry Pi (Rpi) Projects
IoT-Based Weather Station using Raspberry Pi 5
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Description: Collect and display local weather data using sensors like DHT22, BMP280, etc.
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Features:
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Display temperature, humidity, pressure.
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Upload data to cloud (ThingSpeak or Blynk).
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Access dashboard remotely.
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SKU: IoT-Based Weather Station -
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Arduino UNO & IOT Projects
Voting System with Aadhaar Card & Fingerprint Using Arduino Uno
The Voting System with Aadhaar Card & Fingerprint Using Arduino Uno is a secure and automated electronic voting system designed to eliminate voter fraud and ensure accurate election results. By integrating Aadhaar card authentication and biometric fingerprint verification, this system provides a reliable and foolproof method for conducting elections.
SKU: Voting System with Aadhaar Card & Fingerprint Using Arduino Uno -
B.Tech Diploma Mini Projects
Monostable Multivibrator with IC 555 Timer Circuit
A Monostable Multivibrator circuit using the IC 555 timer generates a single pulse of fixed duration in response to an input trigger. It converts a short input pulse into a longer output pulse, making it ideal for timing applications, pulse width modulation, and creating time delays in electronic circuits.
SKU: monostable-multivibrator-with-ic-555-timer-circuit-project -
ATmega328 Board Projects
Car Parking System using ATmega328
A car parking system using the ATmega328 microcontroller automates vehicle detection and parking management. With IR sensors for vehicle presence, an LCD for displaying available spaces, and a servo motor for gate control, it provides an efficient and user-friendly solution for managing parking lots in various settings.
SKU: Car Parking System using ATmega328
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ATmega328 Board ProjectsBidirectional Visitor Counter Using IR Sensor and ATmega328
Explore our innovative Bidirectional Visitor Counter project using IR sensors and the ATmega328 microcontroller. This project is designed to track the number of visitors entering and exiting a room or area, making it ideal for applications in offices, shopping malls, libraries, and other public spaces.
SKU: Bidirectional Visitor Counter Using IR Sensor and ATmega328
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Arduino Uno Mini Projects
Earthquake Detector using Arduino and Vibration Sensor
Earthquake Detector using Arduino and Vibration Sensor
The Earthquake Detector is a basic yet effective project built using an Arduino Uno and a vibration sensor (SW-420) to detect tremors or seismic activity. The sensor continuously monitors ground vibrations. When sudden or strong vibrations are detected, it sends a signal to the Arduino, which then triggers an alarm using a buzzer or LED to alert nearby individuals.
This system is simple to build and helps demonstrate how vibration sensing can be used in early warning systems. It can be further enhanced by integrating a 16×2 LCD to display real-time status or even a GSM module to send alerts remotely.
SKU: Earthquake Detector using Arduino and Vibration Sensor -
Robot Projects
Line Following Robot (LFR) Using L293D Motor Driver & IR Sensors
A line follower robot using L293D and IR sensors (without Arduino) is an autonomous robot that follows a black line on a white surface. It uses two IR sensors to detect the path: when IR light reflects from the surface, the sensor gives a signal that controls the motors through the L293D motor driver. Based on sensor input, the robot moves forward, turns left/right, or stops. This simple, low-cost robot is widely used in automation, educational projects, and robotics competitions. It demonstrates basic electronics, sensor interfacing, and motor control without requiring any programming or microcontroller.
SKU: Line Following Robot (LFR) Using L293D Motor Driver & IR Sensors -
ATmega328 Board Projects
Smart Vehicle Headlight Auto Switching With Intensity Control Using atmega328
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ATmega328 Board ProjectsSmart Vehicle Headlight Auto Switching With Intensity Control Using atmega328
A Smart Vehicle Headlight Auto Switching with Intensity Control System using the ATmega328 microcontroller is designed to enhance vehicle safety and optimize energy efficiency by automatically adjusting the headlights’ switching and intensity. This system adapts to different lighting conditions, ensuring optimal visibility and reducing the need for manual headlight control.
SKU: Smart Vehicle Headlight Auto Switching With Intensity Control Using atmega328 -
B.Tech Diploma Mini Projects
WheatStone Bridge
The Wheatstone Bridge is a circuit used to measure unknown resistance with high precision. It consists of four resistors, a galvanometer, and a variable resistor. By balancing the bridge (no current through the galvanometer), the unknown resistance is calculated. This project highlights its applications in sensors and electrical measurements.
SKU: WheatStone Bridge
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Recently Added
Transistors
Voltage Regulator Combo Pack – 60 Pcs (6 Popular Types, 10 Each)
Voltage Regulator Combo Pack – 60 Pcs (6 Popular Types, 10 Each)
This Voltage Regulator Combo Pack is a must-have for electronics enthusiasts, students, and professionals working on circuit design, prototyping, and experimentation. The pack includes Six widely used Voltage Regulator, with 10 pieces of each type, totaling 60 Regulator.
SKU: n/a
Raspberry Pi and Accessories
Raspberry Pi Camera Module 2 NoIR
The Raspberry Pi Camera Module 2 NoIR is a high-quality 8MP camera designed for Raspberry Pi boards. “NoIR” stands for “No Infrared Filter,” allowing the camera to capture both visible and infrared light. This makes it ideal for night vision, low-light photography, plant monitoring, and scientific projects.
Equipped with the Sony IMX219 sensor, it can capture still images at high resolution and supports video recording at 1080p30, 720p60, and 640x480p90. The camera connects via the Raspberry Pi’s CSI interface for fast, high-quality data transmission directly to the processor.
Thanks to its sensitivity to infrared light, the NoIR camera is perfect for use with IR LEDs to record images in complete darkness. It’s lightweight, compact, and easily integrated into a wide range of projects including home automation, wildlife monitoring, and robotics.
SKU: Raspberry Pi Camera Module 2 NoIR
Arduino UNO & IOT Projects, BTech Final Year Electronics Projects, Electrical Projects (BTech MTech), Electronics Projects (BTech MTech)
IOT Based Alcohol Detector and Engine Lock system using Arduino
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Arduino UNO & IOT Projects, BTech Final Year Electronics Projects, Electrical Projects (BTech MTech), Electronics Projects (BTech MTech)
IOT Based Alcohol Detector and Engine Lock system using Arduino
This project aims to design an IoT-based alcohol detection system integrated with an engine lock mechanism using an Arduino microcontroller. The system uses an MQ-3 gas sensor to detect alcohol presence in the driver’s breath. If alcohol is detected beyond a preset threshold, the system activates a relay to lock the engine, preventing the vehicle from starting.
An ESP8266 Wi-Fi module is used to send real-time alerts to a cloud server or mobile app, enabling remote monitoring. The solution enhances vehicle safety by ensuring that only sober individuals can operate the vehicle, helping reduce accidents due to drunk driving.
This smart system is cost-effective, easy to implement, and ideal for personal cars, commercial fleets, and public transport vehicles.
SKU: IOT Based Alcohol Detector and Engine Lock system using Arduino
Arduino UNO & IOT Projects, BTech Final Year Electronics Projects
IOT based Automatic Accident Avoiding Car using Arduino
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Arduino UNO & IOT Projects, BTech Final Year Electronics Projects
IOT based Automatic Accident Avoiding Car using Arduino
This project presents an IoT-based Automatic Accident Avoiding Car using an Arduino microcontroller, designed to enhance road safety through obstacle detection and smart decision-making. The system uses ultrasonic sensors to continuously monitor the surroundings for nearby obstacles. When an object is detected within a critical range, the Arduino instantly stops or diverts the car to avoid a collision.
Additionally, the system integrates an ESP8266 Wi-Fi module to send real-time data or alerts to a cloud platform or mobile app, allowing for remote tracking and monitoring of the vehicle’s safety status.
This intelligent vehicle safety system can be implemented in autonomous cars, robotic vehicles, and smart transportation systems to reduce the risk of accidents and ensure safe navigation.
SKU: IOT based Automatic Accident Avoiding Car using Arduino
Robot Parts
Ultrasonic Sensor Mounting Bracket For HC-SR04
The Ultrasonic Sensor Mounting Bracket for HC-SR04 is a specially designed holder used to securely fix the HC-SR04 ultrasonic distance sensor in robotic and embedded systems projects. It provides a stable platform for accurate sensor positioning, ensuring better distance measurement and reducing the chance of vibration or misalignment during movement or operation.
The bracket is typically made from acrylic, plastic, or metal, and features pre-cut slots or holes that align perfectly with the sensor’s pins and body. It can easily be mounted onto robots, cars, or fixed stations using screws, glue, or bolts.
SKU: Ultrasonic Sensor Mounting Bracket For HC-SR04
Arduino UNO & IOT Projects, BTech Final Year Electronics Projects, Electrical Projects (BTech MTech)
Industrial Safety Helmet with Hazard Alerts & Location Tracking
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Arduino UNO & IOT Projects, BTech Final Year Electronics Projects, Electrical Projects (BTech MTech)
Industrial Safety Helmet with Hazard Alerts & Location Tracking
The Industrial Safety Helmet with Hazard Alerts is designed to offer the highest level of protection for workers in hazardous environments. With its cutting-edge technology, this helmet ensures that safety is never compromised. Equipped with integrated hazard alert systems, you will remain aware of potential dangers, making it an essential piece of safety gear for construction sites, factories, and other industrial settings.
Helmet senses toxic gas, temperature, and fall.
Sends worker’s real-time data and GPS location to the control room.
SKU: Industrial Safety Helmet with Hazard Alerts & Location Tracking
Arduino UNO & IOT Projects, BTech Final Year Electronics Projects, Electronics Projects (BTech MTech)
Brain-Controlled Home Automation (EEG Headset Interface)
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Arduino UNO & IOT Projects, BTech Final Year Electronics Projects, Electronics Projects (BTech MTech)
Brain-Controlled Home Automation (EEG Headset Interface)
Imagine controlling your home environment with just your thoughts. The Brain-Controlled Home Automation System utilizes cutting-edge EEG headset technology to offer a seamless interface between your brain and various household devices. This innovative solution empowers users to manage their smart homes without the need for physical interaction or voice commands, transforming the way you live.
SKU: Brain-Controlled Home Automation (EEG Headset Interface)
Arduino UNO & IOT Projects, Electrical Projects (BTech MTech)
Smart Energy Meter with IoT Monitoring using Arduino
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Arduino UNO & IOT Projects, Electrical Projects (BTech MTech)
Smart Energy Meter with IoT Monitoring using Arduino
Introducing the Smart Energy Meter with IoT Monitoring using Arduino, a groundbreaking solution designed to bring efficiency and control to your energy consumption. This advanced meter allows you to monitor and analyze your energy usage in real-time, providing the insights necessary to optimize your electricity consumption and reduce costs.
SKU: Smart Energy Meter with IoT Monitoring using Arduino
Arduino UNO & IOT Projects
Automated Pet Feeder using Arduino with Remote Access
The Automated Pet Feeder using Arduino with Remote Access is designed for pet owners who want to simplify their feeding routines. Imagine being able to feed your pets on a fixed schedule while you’re at work or on vacation. With this innovative device, you can ensure your pets receive their meals at the right time, every time. This not only helps in maintaining their health but also gives you peace of mind.
SKU: Automated Pet Feeder using Arduino with Remote Access
Arduino Uno Mini Projects
Touch-Based Doorbell using Arduino and Touch Sensor
Touch-Based Doorbell using Arduino and Touch Sensor
The Touch-Based Doorbell is a smart and hygienic alternative to traditional mechanical doorbells. Built using an Arduino Uno and a TTP223 capacitive touch sensor, this project allows users to ring the doorbell simply by touching a sensor pad—no pressing required. It’s a great solution for smart homes and public spaces where minimizing physical contact is important.
When a user touches the sensor, it sends a signal to the Arduino, which then activates a buzzer to produce a chime sound. The system is simple, cost-effective, and easy to build. It can also be expanded by integrating features like wireless alerts or camera systems.
SKU: Touch-Based Doorbell using Arduino and Touch Sensor
Arduino Uno Mini Projects
Earthquake Detector using Arduino and Vibration Sensor
Earthquake Detector using Arduino and Vibration Sensor
The Earthquake Detector is a basic yet effective project built using an Arduino Uno and a vibration sensor (SW-420) to detect tremors or seismic activity. The sensor continuously monitors ground vibrations. When sudden or strong vibrations are detected, it sends a signal to the Arduino, which then triggers an alarm using a buzzer or LED to alert nearby individuals.
This system is simple to build and helps demonstrate how vibration sensing can be used in early warning systems. It can be further enhanced by integrating a 16×2 LCD to display real-time status or even a GSM module to send alerts remotely.
SKU: Earthquake Detector using Arduino and Vibration Sensor
Arduino Uno Mini Projects
Real-Time Clock Display using Arduino and RTC Module
Real-Time Clock Display using Arduino and RTC Module
The Real-Time Clock (RTC) Display is a practical Arduino project that shows the current time and date using an RTC module like the DS3231 or DS1307, and a 16×2 LCD with I2C interface. The RTC module keeps track of time even when the Arduino is powered off, thanks to its internal battery.
The Arduino reads the time and date from the RTC module via I2C communication and continuously updates the LCD display. It shows real-time hours, minutes, seconds, and date, making it ideal for clocks, loggers, or time-based automation projects.
SKU: Real-Time Clock Display using Arduino and RTC Module
Arduino Uno Mini Projects
Light Following Robot using Arduino and LDR Sensor
Light Following Robot using Arduino and LDR Sensor
The Light Following Robot is a fun and educational robotics project that uses Arduino Uno and LDR (Light Dependent Resistor) sensors to detect and follow a light source. It mimics the behavior of light-seeking organisms and is great for learning sensor-based automation and basic robotics.
The robot is built on a chassis with two DC motors controlled by an L298N motor driver. Two LDRs are placed at the front to sense light intensity. When one LDR detects more light than the other, the Arduino signals the motors to turn toward the brighter side. If both LDRs detect equal light, the robot moves forward.
SKU: Light Following Robot using Arduino and LDR Sensor
Arduino Uno Mini Projects
Gas Leak Detector using MQ-2 Sensor and Arduino
Gas Leak Detector using MQ-2 Sensor and Arduino
The Gas Leak Detector is a safety project that uses an MQ-2 gas sensor and Arduino Uno to detect the presence of flammable gases like LPG, methane, or propane. It’s a useful system for homes, kitchens, and industrial spaces where gas leaks can pose serious hazards.
The MQ-2 sensor detects gas concentration and sends an analog signal to the Arduino. When the gas level exceeds a predefined threshold, the Arduino triggers a buzzer and/or LED as an alert. Optionally, a 16×2 LCD (with I2C) can display real-time gas levels.
SKU: Gas Leak Detector using MQ-2 Sensor and Arduino
Arduino Uno Mini Projects
Traffic Light Controller using Arduino and Traffic Light Module
Traffic Light Controller using Arduino and Traffic Light Module
The Traffic Light Controller project uses an Arduino Uno and a traffic light module (or individual red, yellow, and green LEDs) to simulate a real-world traffic signal system. It’s an ideal beginner project for understanding automation, timing, and microcontroller-based control systems.
The Arduino is programmed to control the lights in a specific sequence—green (go), yellow (wait), and red (stop)—each with a set time duration. This cycle runs continuously, mimicking an intersection traffic light system. Optional enhancements like pedestrian buttons, vehicle sensors, or countdown timers can be added to make the project more interactive and realistic.
SKU: Traffic Light Controller using Arduino and Traffic Light Module
Arduino Uno Mini Projects
RFID-Based Attendance System using Arduino
RFID-Based Attendance System using Arduino
The RFID-Based Attendance System is a smart and contactless method to record attendance using RFID technology. It uses an Arduino Uno, RC522 RFID reader, and RFID tags/cards assigned to individuals.
When a person taps their RFID card near the reader, the system reads the card’s UID and checks it against pre-stored data in the Arduino. If the UID is valid, a 16×2 LCD (with I2C) displays a message like “Attendance Marked”, and a buzzer or LED can signal a successful scan. Invalid cards show an “Access Denied” message.
SKU: RFID-Based Attendance System using Arduino