The Node MCU ESP8266 is a low-cost Wi-Fi microcontroller with a full TCP/IP stack and a microcontroller unit (MCU) based on the Node MCU architecture. The Node MCU ESP8266 is a popular choice for IoT ...

How It Works:- Here we use an MQ-2 gas sensor that detects the LPG, Alcohol, Smoke, etc, gases. If there is a gas in the air the resistance between two electrodes of the gas sensor gets increased ...

Abstract: This paper introduces a novel approach to smart industry automation by integrating Internet of Things (IoT) technology with Visible Light Communication (VLC) and Node MCU microcontrollers.

Abstract: In this paper, a preliminary implementation of a system monitoring the fetus’s heart rate (FHR) has been designed and implemented as a mobile wearable measuring system with remote sensing ...