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.

You can close your eyes, but you cannot close your ears.

This smart stick can help blind people walk on the street safely without any help.

It is a standard INA219 module but this has an isolated measured voltage from the MCU.

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.

How I built an Arduino energy monitor and data logger to collect energy data for different loads and plotted that data using Excel.

This Bolt IoT-based project shows how to build a metal detector alert monitor.

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

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

Track the sun in X and Y with this simple Arduino project.

+ OLED display, measures in imperial and metric.

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

Using one single module and a proper library you'll be able to measure any AC voltage like a TRMS multimeter.

An Arduino electromechanical barometer.

Glowing LED to detect the increase in pressure by pressure pad using Arduino.

This project is a GPS tracking system with LCD display using an Arduino Uno and a Digilent PmodGPS.

This project will attempt to show how much alcohol is in the air (semi-quantitative measurements).

How much time do we waste in traffic jams? I made an Arduino-powered destination notifier to utilize this time in a productive way.

How to make a color sensing device using a TCS3200 color sensor.

A short and easy tutorial on how to interface the module with UNO board using simple examples.

Arduino and Raspberry Pi. Sensing motion, temperature, vibration, VOC and CO2, altitude, current, and voltage. Powered by 120VAC and relays.