A wide range of MQ sensors is available in the market that can measure Methane, Butane, LPG, smoke, Alcohol, Ethanol, Carbon Monoxide, Hydrogen Gas, Ammonia, etc.

A weather station is a device that can monitor various parameters like humidity, temperature, pressure, rainfall, etc. of the surrounding environment. We previously built a few weather stations using a different microcontroller like:

Ever wondered how your phone software pinpoints your location while driving using GPS? The answer to this is that a small GPS module embedded in your phone communicates with a network of satellites to determine the location of your phone.

Nowadays, security is the utmost concern for us, whether it is related to our assets like vehicles, homes or our children. In this case, GPS tracker devices are very useful.

We all have waited in a queue for payment in shopping malls and other places, its very tiring and wastes a lot of time in the billing process.

From connected cars to connected wearables to home security, the Internet of Things is rapidly marking its presence in every field.

Currency note counter is a machine that detects the notes of different denominations and tells its value. Here in this IoT project, we are using a color sensing technique to detect the note value.

It is important to maintain the safety and hygiene of the food to keep it fresh and edible which helps in decreasing the food wastage.

LEDs are used in almost every decorative lightings, but most of them only produce a single color. So to create a beautiful light pattern, multiple colors LED strips are used, which are, not only consumes more power but also hard to manage.

Climate change has led to unpredictable weather conditions. There are many weather stations around the world that are used by researchers and government agencies to observe, record, and analyze weather patterns to study climate changes and provide weather forecasts.