Security is major concern nowadays and today we have all types of surveillance and security system available in the market. But they are very expensive and sometimes create problems which we can’t solve.

In our busy and hectic life, we sometimes forget to take medicines on time. In hospitals it becomes difficult for doctors to remind every patient to take the medicines on time.

A Panic Button is used to send an emergency signal to the police or nearby people in an emergency situation like cardiac arrest or any serious health issue where urgent help is needed or the situation where you are attacked by someone or thieve

In previous tutorial, we built an Alexa controlled Home Automation system using NodeMCU. It was easy to build and implement.

The traditional method of taking attendance manually is very time consuming and often times leads to human error. The manual system is also prone to misconduct and the valuable work time gets wasted in organizing and structuring attendance data.

Text to speech (TTS) has been used in many applications like voice assistants, announcements, ATMs etc. It is also used to help children in learning speaking and blind people in communication.

It’s been almost three years since Amazon released the Amazon ECHO voice controlled speakers and the popularity of the speaker has continued to soar because of astounding performance of the Alexa Voice Service, and the fact that the platform was opened

Home automation now becomes an essential part of IoT applications and people use their smartphone to control home appliances from anywhere over internet.

Fire alarm systems are very common nowadays and commonly installed in Banks, shops, offices, home etc. They detect the fire and trigger a loud alarm to aware everybody.

Have you ever thought of controlling your Arduino board remotely without using any shield or module like ESP8266 and Bluetooth? Yes, it is possible with the help of the Blynk App and its server.