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

Simple data logger that stores electrical data (voltage, current, power, energy, etc.) in an SD card, with timestamp for later analysis.

How to build an humidity and temperature meter with time display from an old voltage meter casing.

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

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!

An environmental monitoring system using a Nano, with GPS, BME680, VEML6070, MiCS-5524, BH1750, a 128x64 OLED, and NeoPixels.

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.

Evaluate the amount of the energy generated by a solar panel at a given direction through light intensity levels.

Portable distance detection device using an Arduino and an ultrasonic sensor.

Smarter Home Energy Use with Open Source and Cheap Sensors.

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

This project checks measurements automatically using lasers.

CPS120 is a high quality and low cost capacitive absolute pressure sensor with fully compensated output.

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

An automated humidor using an Arduino — with or without building your own humidor.

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

This is a low cost, modular smart board with wireless capabilities.

Professional quality wireless weather station.

This project consists of a set of proximity sensors with a haptic interface to alert the user to the presence of objects around them.

Kayaking GPS: speed, time, latitude, longitude, distance and azimuth to waypoints, odometer, tide clock, battery monitoring.

Use the cheap Fiagro TGS4161 Sensor to monitor CO2

A cube with all the necessary sensors, suitable for a wide range of applications like agriculture. Know the land beneath you!

Let us predict the changes around us with Arduino