This article describes how to decode a remote controller and use it for home automation, along with Arduino. An infrared (IR) remote controller used...
There are at least two popular applications of blinking a string of 110V/230V AC incandescent lamps. The first is audio-visual warning at construction sites...
Described here is an Arduino-based fastest finger first system. In quiz shows, the buzzer or fastest finger first round is frequently used to determine...
Most textile retail stores have trial/changing rooms for customers to try on new clothes before buying them. These rooms are illuminated all day long,...
Environmental pollution has become a major problem in today’s world. Its increase is affecting our health badly, especially in urban and semi-urban areas where...
There are many types of robots, from simple toy cars to advanced industrial robots. The Wi-Fi-controlled IoT robot described here uses NodeMCU and Blynk...
The Internet of Things (IoT) is being widely used in industrial and commercial applications. This article describes how to monitor devices or things connected...
Here is a low-ripple and low-noise 48V regulated phantom power supply for an audio preamplifier and driver. Such power supplies require well-filtered, low-ripple and...
Noise pollution is a growing problem in modern cities, thanks to rapid population growth, urbanisation and new technologies. Moreover, at times, a noisy neighbour...