A low cost air quality monitoring device created with an aim to detect pollution hotspots caused due to traffic jams or factory emissions.

Easy to build, but comparable with professional seismometers, homemade Arduino seismometer.

UltrasonicEyes is a fun and quirky project you can place somewhere and watch as it looks at things moving around in front of it. Freaky!

Someone has been eating my cookies! Thankfully Arduino is here to help find out who it is.

This device measures fine dust and NO2 concentration in the air while on the move and adds GPS coordinates to each measurement location.

In this tutorial I am going to show you how to build a Wireless Weather Station with a big 3.2" Color TFT display using Arduino.

Smarter Home Energy Use with Open Source and Cheap Sensors.

Pulse induction metal detector, built on the Arduino Nano.

Here we use PIR sensor and Arduino to detect the motion of a hand. This detection can be used to operate electronic equipment.

A super smart buoy with lots of sensors that sends data over radio to a base station where it is displayed on a real-time dashboard!

With only an arduino board, two servos, and an hc-sr04, and some python, you can create a room scanner that is capable of showing depth!

This is a very precise scale for any weight up to 1.5 kg!

Create a burglar-tripwire with the ultrasonic sensor.

Dear friends welcome to another tutorial! Today we are going to build an interesting Arduino project which is using a fingerprint sensor ...

Connect GPS and MicroSD Card to Arduino and log the GPS information - Quick and Easy

Use the cheap Fiagro TGS4161 Sensor to monitor CO2

I found limited documentation on the usage of a color sensor I recently purchased, so here is my attempt to make it more simple.

In This Tutorial, I will Show You How to Make an Arduino Based MPPT Charge Controller

An Arduino based device to monitor the levels of combustible gases, carbon monoxide, relative humidity and temperature in the kitchen.

Let us predict the changes around us with Arduino

The lightmeter based on Arduino as a main controller and BH1750 as a metering cell. Information is displayed on SSD1306 OLED display.

Intelligently reduce the moisture in your basement/crawlspace to help control mildew growth and lower your heating/cooling bill.

It is hard to measure the height of the children. So, we made Height Measure using distance sensor VL53L0X.

The detector can detect a small metal coin at a distance of 15 centimeters.