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Arduino Projects

Solar Tracking Circuit using Arduino

Last updated on 30 July 2025 by Admin-Lavi Leave a Comment

Today solar power is very important because world need clean and green energy. Solar tracking help make solar panels work better. It move solar panel with sun all day so panel get more sunlight and gives more power. Solar Tracking Circuit using Arduino is smart, DIY and fun project. Arduino is open-source board which is […]

Filed Under: Arduino Projects, Solar Circuits

DIY Temperature-Controlled Fan Circuit with Arduino

Last updated on 30 July 2025 by Admin-Lavi Leave a Comment

Modern devices and homes need good temperature control. It help gadgets live long and make place comfortable. One example is fan with temperature control. Fan change speed by room temperature. This keep temperature okay, save power and with less noise. IC LM35 sensor is used for check the temperature. When it is too hot 5V […]

Filed Under: Arduino Projects, Heater and Temperature Controllers

Arduino Based Air Quality Monitoring Circuit

Last updated on 30 July 2025 by Admin-Lavi Leave a Comment

Arduino Based Air Quality Monitoring Circuit check bad stuff in air like CO2, VOCs and PM. It uses Arduino microcontroller and many sensors to check air quality. Arduino read sensor data and then send to computer or cloud or show on small screen (LCD). People like this design because it is cheap, easy and useful […]

Filed Under: Arduino Projects, Sensors and Detectors

How to Create a Water Level Sensor Circuit with Arduino

Last updated on 30 July 2025 by Admin-Lavi Leave a Comment

For fun and learning project. We learn basic electronics, coding and sensor uses. Here we will learn How to Create a Water Level Sensor Circuit with Arduino This guide teaches us how to make water sensor. It is good for stopping overflow, checking water in tank or auto watering plants. We can use Arduino Uno […]

Filed Under: Arduino Projects, Sensors and Detectors

DIY Variable Power Supply Circuit using Arduino

Last updated on 29 July 2025 by Admin-Lavi 1 Comment

This DIY Variable Power Supply Circuit using Arduino makes changeable power. It uses transistor and resistors to change 9V output from IC 7809 regulator. One 100uF capacitor help clean the output voltage. Two pushbuttons can change the voltage by hand. LCD screen show real output voltage. Coding: Code Explanation: Circuit Working: Parts List: Component Quantity […]

Filed Under: Arduino Projects, Power Supply Circuits

Digital Code Lock Circuit using Arduino

Last updated on 29 July 2025 by Admin-Lavi Leave a Comment

Security is important everywhere in world and is more hard in secret places. This project for Digital Code Lock Circuit using Arduino help make better security. It use Arduino, small computer to make simple lock. With Arduino UNO, keypad, buzzer, LCD (16×2), BC547 transistor and resistors it show how digital code lock work. User must […]

Filed Under: Arduino Projects, Security and Protection

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