A smart city is an urban area that uses different types of electronic data collection sensors to supply information used to manage assets.

Now you don't have to remember any of your passwords, and they are still safe and ready to use!

This is a door lock security system made with Arduino.

Sometimes when I take a bath, the water stops. I checked, the water tank is empty and I have to call the water engineer to fix the water.

An Arduino Uno-based alarm with motion sensor, three LED outputs and a keypad with password input.

Are you looking to control your tank water level automatically here's the post for you, how can water level be controlled automatically?

This is how I built a DIY camera slider with Arduino at home. The slider has 2-axis which makes it more interesting.

A touchless automatic motion sensor trash can.

When you have a 'real' Christmas tree, it is important to keep it watered. This project monitors the water level and emails alerts.

Automated Mung Bean Sprouts growing machine.

You can check in to home / office or even your grandma's house by simply walking in front of an ultrasonic sensor.

When the burglar walks infront of the ultrasonic sensor it triggers the camera to take a photo of him.

When i press a big red button it calls emergency or one of my friends by skype.

A standalone fish feeder powered by Arduino configurable via Bluetooth.

A system that warns for unexpected rains to help out your garden. The system displays real time values on mobile.

Smart Trash can be done with servo motors or stepper motors.

The correct way to make traffic lights for a 4-way intersection.

When at least one person enters the room, the light and fan turn ON. When everyone exits the room, the light turns OFF.

I sleep a lot. For this, I wanted to make a timer. I want to sleep just four hours. Life is very short!

Pull into your garage and have a distance sensor tell you when to stop and give feedback through a regular stop light interface.

Measure pours from specific taps, track the most popular taps and identify when taps are most active.

In this project, you will learn how to make a home automation system for use with a smartphone through Bluetooth.

Accumulation of moisture in a closed up space like a bathroom can lead to the appearance of mould, which can cause health issues.

Press 'Power' to switch everything ON/OFF. Press '1' for the fan and '2' for the lights.