Arduino DIYs

Presented here is an Arduino based audio meter that uses a liquid crystal display (LCD). A VU meter or standard volume indicator (SVI) is a device that displays a representation of...

If you are still using the traditional switches, then I’m sorry to say this but they are outdated now.  Moreover, these traditional switches have mechanical moving parts which get damaged on...

Certain shortcuts on your keyboard such as copy, paste or print can definitely simplify your work. And what if you can create these different keyboard operations on your own? Have you...

This soccer robot can move forward, reverse, forward-left, forward-right, reverse-left and reverse-right with the help of an Android phone.

During summers, most people are too lazy to water the potted plants on their rooftop gardens every day. Explained in this section is a simple and exciting automatic plant watering system...

Here is an Arduino based social distancing alarm cap meant for Covid-19 pandemic or similar disease outbreak. Maintaining the right gap for social or physical distancing is not always feasible. When...

This wireless LCD display shows information sent from a smartphone. The user can send text messages with up to 32 alphanumeric characters to the LCD within Bluetooth range of about 10...

In this project, a MATLAB platform to control up to four electrical equipment is presented. Controlling electrical equipment from a remote location using a control panel is employed in many applications....

This Device Controller project based on an 8-bit ATmega328P microcontroller (MCU) can control up to eight devices connected to its electromagnetic relays. The article also describes how to program an MCU...

Android smartphones are rapidly becoming popular in the education industry. Some can even be used as signal or function generators. Bulky signal generators available in the market are costly and complex...