Uno-based battery-powered PM10 / PM2.5 analyzer with bright large digits on an OLED display.

Our Gnome becomes a weather forecaster with an Arduino Nano Every and a pressure sensor. Get your local forecast without the internet.

A simple, low-cost flex and pressure sensor!

Make an EC/pH/ORP/temperature sensor device to monitor water. Interact with it through a website using Bluetooth Low Energy.

Interfacing a VK16E GPS module with an Arduino.

Detect movement up to 30' away which is useful in motion-activated projects such as a security system or automatic lighting in a classroom.

Literally the simplest way to make a weather station!

How to interface a GPS module (NEO-6M) with Arduino Mega. The data for longitude and latitude is displayed on the serial monitor.

Have you ever wanted to measure the speed of air coming out of your vents at home? Well then we have the perfect project for you.

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

Learn how to build a digital weight scale and force gauge with HX711 load cell module and Arduino.

It is a miniature counterpart of radio altimeter used on commercial aircrafts to be used with RC aircrafts and multirotors.

It might be the simplest room temperature and humidity - no breadboard attached.

A modular orientation and acceleration data logger using a pair of ultrasonic sensors, RF transceivers, and a 1Sheeld.

How to use the small module to measure distance for high frequency applications... or low.

Use three HC-SR04 ultrasound sensors and two battery displays to show you how close the obstacles are and from which side.

Copy colours from outside environment.

In this project, we're going to use the DHT11 humidity and temperature sensor to calculate the average temperature and humidity every hour.

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

How to connect GPS, SONAR, sensors, auto pilot units etc. in ships and boats via NMEA 0183 to Arduino.

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

+ OLED display, measures in imperial and metric.

Create a burglar-tripwire with the ultrasonic sensor.

Measure distance using JSN SR-04T waterproof ultrasound module and an LCD I2C (cm/inches).