With the advancement in IoT, Home automation System is becoming a very popular and demanding concept.

ESPHome is a simple yet powerful system that allows users to control ESP boards using YAML configuration files. It allows users to quickly and easily build custom firmware for sensors and devices without any programming skills.

Today, we are going to build an Arduino based Touch Screen Door Lock System that contains a 2.4" TFT Screen for entering the Personal Identification Number (PIN) and for visual display of the entered PIN.

We all are aware of the existing electronic voting machine where the user has to press a button to cast the vote. But these machines have been criticized for tempering since the beginning.

Data is a crucial resource for any kind of analysis and forecasting. It is always needed to create any information or stats.

Nowadays, the COVID-19 or the Novel coronavirus has emerged as a global pandemic and has affected more than 200 countries in the world.

Whether it is IoT, M2M, or Industry 4.0, LoRa is one of the most popular wireless communication medium. LoRa is getting popular day by day and there are many LoRaWAN networks all around. It consumes very low power and can communicate over a long-range.

IoT based food ordering systems are replacing the traditional food ordering system in restaurants.

There are various wireless communication technologies used in building IoT applications and RF (Radio Frequency) is one of them. nRF24L01 is a single-chip radio transceiver module that operates on 2.4 - 2.5 GHz (ISM band).

You may have seen many conventional digital notice boards where one has to update the displayed information by manually changing the message using a keyboard or some other tool.