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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...
As water consumption and wastage increases day by day, water scarcity has become a growing concern around the globe. While some irresponsible people are overusing water and wasting it daily, a large population remain deprived of safe drinking water....