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DIY Reviews

It’s always fun to work on an electronic project especially when it lets you recycle old objects that are otherwise thrown into the trash. Afrotechmods is a website run by an electrical engineer nicknamed as Afroman who publishes a bunch of interesting experiments with electronics through videos. His areas of interest include power electronics, robotics, and mixed signal design. 
In one of his videos, Afroman has described an interesting use of hard drive in the form of a DIY speaker. The project has been demonstrated clearly with the help of a video and doesn’t require any software installation. In order to build the speaker, all you need is a hard drive and some easily accessible tools like hex wrench, a multimeter, couple of thin wires, soldering iron, and an amplified audio source.

An electrical design engineer by profession, Sandeep Sharma is a part time hobbyist who likes to experiment with electronic projects, especially involving Arduino. With an aim to share his knowledge about arduino and embedded projects, he owns a website as well as a YouTube channel through which he showcases certain interesting projects. 

In one of his Arduino based projects, he made a unique use of old DVD drives to build a DIY CNC Plotter at home. This machine is not only inexpensive but also quite easy to construct and operate. Presented here, is one of his exciting DIY projects that illustrates the construction and coding of an arduino based mini CNC plotter.

adafruit-diy-led-video-wallWho doesn’t get fascinated towards those bizarre optimistic professional LED wall with endless repetitive patterns. Now, if you have some experience in wiring and other technical stuffs, why not take a further step to enhance your professionalism. Well, this tutorial by Adafruit is definitely a savior if you are interested in building a professional LED wall by using a 16x32 RGB LED matrix panels and a bit of patience.

They have used 18 panels to construct a 96x96 pixel display, which measures roughly 2ft square. As you can see that the video decoder boards do all the diligence, therefore all you require is a DVI/HDMI/Displayport