Water quality, anywhere, anytime!

In This Tutorial, I will Show You How to Make an Arduino Based MPPT Charge Controller

A project that speaks on behalf of mother nature. It is real time air quality monitoring device.

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

Follow this project to make an infrared thermometer by yourself!

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

Geiger counter measuring radioactivity using Arduino Nano in 3D-printed housing, with OLED display and Li-ion battery.

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

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.

Air Quality License Plate Holder uses air quality sensor attaching to the vehicle to monitor the air quality through out the city.

A fire-monitoring and crowdsourcing tool that will allow local fire managers to respond to wildfires.

Smart traffic control for more livable cities.

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

If the temperature measured by DS18B20 is above the predefined threshold, it turns the fan on automatically unless the piezodisk is pressed.

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

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

A weather monitor that measures 10 environmental properties and sends data to Blynk and over HDMI on the Vidor 4000 (HDMI is still in beta)