Use a ratiometric linear Hall effect sensor to build simple magnetic field strength meter.

Learn to build a pocket weather station that displays temperature and humidity using Arduino Nano!

Send your Arduino to collect data from the edge of space!!

An easy to build simple weather station that connects to your smartphone via WiFi and Blynk.

Track your face using OpenCV's facial recognition.

How to Make MP2.5 & Co2 Detect Wall Clock for Indoor using Arduino, MG811, GP2Y1014AU Sensor

Real-time position data and AHRS data logged to a mSD card.

I was inspired by obstacle avoidance car's servo's motion, I thought that it's motion could be used as sonar's acutator !

Pulse induction Metal Detector. It can detect a metal coin at a distance of 15 cm and a larger metal object at a distance of 40 cm and more.

Using the Garmin LIDARLite v3HP, Arduino MKR WIFI 1010 and Pushsafer to detect an intruder and send a push notification to a smartphone.

How to Make a Non-Touch Doorbell, Body Temperature Detection, GY-906, 433MHz using Arduino

Protect your projects by making them fingerprint-secured with sleek, compact and fast ID809 Capacitive Fingerprint Sensor.

This is a manual and automatic irrigation system

How to make a LED Spirit Level using Arduino and MPU6050 | LED Spirit Level

The “Bubble-Logger SPIEDEL” is an Arduino based floating hydrometer there monitor your fermentation for beer making.

Simple metal detector capable of detecting a small coin at a distance of 4-5 cm.

Hazardous Gas leak detection system employ an audible alarm to alert people and lock all the air tight gates.

Fan PWM controller with temp sensing and max speed button override

This is an updated version of the fire alarm I made. it includes a gas sensor and an app for control

An experiment of using SEFR, a fast and simple tiny machine learning classifier to detect colors on an Arduino Nano 3.0 (ATmega328P).

An Arduino Uno project which uses lasers to read and indicate if your car is parked correctly within a zone.

How to make a Temperature and Humidity Monitoring System using Arduino and dht11

Better code for the MMA8452Q

This circuit measure the water level of a tank and wirelessly send it to a receiver where it is displayed using a LCD display and LEDs.