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Normally, we keep the photographs we take in a photo album to view or show to our friends or family later. This Arduino album can display those digital photographs one by one, sequentially, on TFT LCD colour display. The...
Wireless sensor node is a sensor node with a wireless transmitter. It has one or more sensing elements with amplifier and signal conditioning circuit or a digital/smart sensor, a microcontroller unit, modulator and transmitter with antenna, and a battery....
This project is meant to control electrical appliances like fans and lights. You can configure two Yoda modules, one as receiver and the other as transmitter, to control relays that switch on fans and lights. The block diagram for...
This project-based on Arduino Uno and IR sensors is used to automatically switch on and switch off a washroom’s light that works on AC mains. Whenever a person enters the washroom, the light bulb (or tubelight) will automatically turn...
We all have televisions in our homes, whether it is a slim smart TV or a large CRT-based TV. And they require a set top box for obtaining different television channels. However, both the devices i.e. the TV and...
Due to the outbreak of Covid-19 pandemic, it has become important to check the body temperature of people without any contact with them to prevent spreading of the disease. There are many contactless thermometers available in the market, but...
In this project, the Arduino Uno is configured as a square wave generator with user-selectable control of the frequency and duty cycle. The operating range of the system is up to 10kHz. The desired frequency and duty cycle of...
We have seen different types of human interface devices (HID), such as mouse and keyboard. In older versions of the mouse, optical sensors were used to detect movement relative to a surface, thus they required a smooth surface to...
Most of us have a small garden, farmland or a plantation area. Our busy schedule, however, doesn’t allow us to maintain it well. But with the use of technology, we can easily achieve it.  So, today we are going to...
A compass and a protractor are two of the most basic tools used in geometry. For mathematics and engineering students, these tools are a must. But sometimes it is difficult to get accurate angle measurement for certain structures and...