Despite its simplicity, it has a relatively good sensitivity and perfect stability during operation

Create a burglar-tripwire with the ultrasonic sensor.

Variometer is instrument that indicates the changes in the altitude variations.

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

This is a thermometer intended for measuring the temperature in the room where we are staying, also known as room comfort thermometer.

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

Very simple air quality monitor with nice processing graphical interface oh PC monitor.

Build a weather station with Arduino & ASP.NET Core.

Super simple Weather station containing only two components.

Pressure tendency can forecast short-term changes in the weather. This is a very sophisticated device designed for sailors, yachtsmen, etc.

On this project I will show you how to measure the speed of movement of an object using HC-SR04 ultrasonic sensor.

In this case, it is interesting that are used two sensors to scan the entire 360-degree space.

As the title says, this is a pretty simple PIR motion controlled relay using an Arduino Nano.

I am back again with another Arduino based home automation project.

Copy colours from outside environment.

Weather forecaster, which displays the weather forecast on the screen in the form of descriptive text.

Use an ESP32 Cam and a passive infrared (PIR) sensor to create a motion-activated security camera that posts photos to a Discord channel.

You'll learn how to make a luxmeter with Arduino and BH1750 Module.

We can measure body temperature without contact with this device.

Build an Arduino heart rate monitor with a MAX30102 sensor and a 16x2 LCD.

A very low power consumption rechargeable temperature and humidity monitor that can run off a rechargeable battery for 12 days or more.

Very simple station that shows: Temperature, Humidity, Heat index, Carbon Monoxide, Alcohol, Carbon dioxide, Toluene, Ammonium and Acetone.

Remote temperature monitor using a Bluetooth module and an NTC thermistor. An Android app made with App Inventor is used to read data.

Build a simple incident light meter for old meterless film cameras