A digital finger sensor to protect against theft.
Project tutorial by 4 developers
A beginner project utilising an Arduino and a BME280 sensor capable of giving you 4 environmental readings.
by Electorials Electronics
Sunglasses that serve an even more useful purpose than protecting the eyes of the blind. They can help them detect objects in front of them.
Project tutorial by GardnerTech
Monitor the world's rivers and lakes through a collaborative cloud allowing you to monitor any body of water with a fleet of devices.
Project tutorial by Andrei Florian
Building a rain sensing alarm with Arduino.
by Smit Babariya
This fully functioning Geiger counter was designed after the PKE Meter from the 1980s Ghostbusters movie.
Project showcase by mvonsivers
Remote temperature monitor using a Bluetooth module and an NTC thermistor. An Android app made with App Inventor is used to read data.
Project tutorial by Federico Vivaldi
This is an image processing based fire detection and extinguisher system using Arduino and OpenCV.
by Shubham Shinganapure
Learn how to build a digital weight scale and force gauge with HX711 load cell module and Arduino.
Project tutorial by ElectroPeak
In this project, use the YF-S201 1/2-inch water flow sensor to measure the water flow rate (L/min) and display it on an LCD.
Project showcase by rayatedarshan
+ LCD/OLED can be used to measure body temperature or to detect movement... in Celsius and Fahrenheit!
It is a miniature counterpart of radio altimeter used on commercial aircrafts to be used with RC aircrafts and multirotors.
Project tutorial by AeroGeeks
It might be the simplest room temperature and humidity - no breadboard attached.
Project tutorial by adrakhmat
You can close your eyes, but you cannot close your ears.
Project tutorial by Team Xspies
This smart stick can help blind people walk on the street safely without any help.
Project tutorial by hadi1234
There are a lot of Arduino-based metal detectors using various technologies. This is one of them that uses direct frequency measurement.
Project tutorial by Andrius Purr
The detector can detect a small metal coin at a distance of 15 centimeters.
Project tutorial by Mirko Pavleski
Speedometer that uses a GPS for speed sensing and an RGB LED to indicate speed to the user. Also features a blinking white light.
Project tutorial by Jeremy S. Cook
Pulse induction metal detector, built on the Arduino Nano.
Project showcase by FoxyLab
In this tutorial, you will learn how to use a soil moisture sensor. Practical examples are also provided to help you master the code.
In this tutorial, you will learn how to calibrate and use MQ9 gas sensor with an Arduino board.
Easy to build, but comparable with professional seismometers, homemade Arduino seismometer.
Learn how to use a PIR motion sensor to detect movement. You will also learn how PIR motion sensors work and how to use them.
In this project I created a pretty simple digital level using a LCD screen and a gyro sensor.
Project showcase by elegoo-arduino
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