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“Phantom power supply is widely used in audio industry to power the active microphones over single audio cable. Most of the phantom power supplies deliver 48V DC over the balanced audio link and power supply unit described in this article …
“Here is a simple project to amaze every one using an arduino and some LEDs. What we are going to learn here today is the making of a POV display. That is, a Persistence-Of-Vision display. It is made out of …
“Hi all, I have been working on a guitar project for my brother-in-law who is currently learning how to play the electric guitar. I wanted to build him something that would help him learn but is also really cool at …
“In this article you can find instruction on how to make a simple ethernet cable tester driven by an Arduino. I was inspired by this page that simply and clearly describes how to make a tester for ethernet cables (straight …
” Since this is my first post, i will post a short Youtube video to show you the ending result of what it’s all about. Many apologies for the quality of the video: It was a test video, and i …
“This tutorial will explain how to build a machine for biofeedback. But first a bit of theory. What is biofeedback? [Font: Wikipedia | https://en.wikipedia.org/wiki/Biofeedback] Biofeedback is the process of gaining greater awareness of many physiological functions …
“Badges are amazing things. Better when you make your own. I was about to attend the 1st MakerFest at NID, Ahmedabad and thought of taking something unique to the event. Badge was a great option and suited the maker theme …
“The 741 op amp is one of the most famous and popular ICs[1] with hundreds of millions sold since its invention in 1968 by famous IC designer Dave Fullagar. In this article, I look at the silicon die for …
“This is an example of a simple and cheap milliohmmeter that can be made by every maker. The core of the circuit are a current source (LT3092) and a current sense (INA225): a costant current flows through the milliohm resistor …
“Last week, my esteemed colleague MTaylor explored a solution to scheduling periodic tasks on Arduino. In the comments, several people mentioned that a Real Time Operating System (RTOS) might be a more flexible and generic solution to the timing and …