This is a 360 radar using an ultrasonic sensor that saves data and encodes them onto an image.

This kind of system is the fastest growing safety feature in automotive industries.

Arduino Stepper Motor Barometer with additional displays for last 3 & 6 hour pressure changes.

Water quality, anywhere, anytime!

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

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

Build your own high-quality water sensor to monitor your pool or spa, using the Amazon Alexa to check on the status of your pool.

Arduino Uno-based electronic weighing machine by 5-wire 3 kg load cell.

Open source Smart energy monitor with some new features like Terminal Commands, Readings Logger, and Data Plotting.

A fall detection system based on Arduino, Windows 10 and Microsoft Azure

The project consists of reading values for pitch and roll, and communicating the modified values over serial to the display.

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