Explanation and description of do-it-yourself (DIY) electronics projects.
DIY Audio Equalizer Developed and Written by Gabriel Dantas. This article was written by a beginner for beginners in electronics. My name is Gabriel, and I am studying Electrical Engineering at the University of Brasilia (currently in my fifth semester). The objective is to share my learning process and mistakes while building a cheap, simple […]
DIY Poor’s Man Music Synth Developed and Written by Aman Deep. This project presents a digital monophonic square wave synthesizer and sequencer. In other words, a digital music synthesizer, or music synth. It is based on 555 oscillator and 4017 decade counter. This device offers a distinctive sound reminiscent of vintage video games and early […]
DIY Project: Redesigning and Building the Electronic Board of a Remote Control Car. Developed and written by Niva_v_Kopirce. Christmas came and I was getting ready to give my nephew a cheap Chinese car. I always like to check beforehand if any gift containing electronic components works. It worked fine, however, I instantly noticed a few […]
VFD Night Light DIY Project. Developed and written by Frasier Chew. Vacuum Fluorescent Displays (VFDs) have been around for over 6 decades. Although its heyday has passed in favour of other newer display technologies like the LCD, they are still being used today because of their robustness. VFDs are able to operate under a wide […]
Curve Tracer DIY Project developed and written by Basin Street Design. This is for all those tube amp enthusiasts and hackers out there. I wanted to build a tube stereo amp that I could be proud of. However in the course of wiring it up I found that some 6AU6s just refused to bias where […]
Low Distortion Audio Oscillator Developed and Written by Basin Street Design. The following low distortion audio oscillator is based on the Wien-Bridge oscillator. The previous link developes the math. I get it. You can skip that if you don’t care why the Wien bridge oscillator works. 1. Low Distortion Audio Oscillator Schematics Here is the […]
This article reviews the theory and implementation of the Bainter Notch Filter. Written and developed by Basin Street Design. This calculation examines the effectiveness of a Bainter notch filter such as the Bainter circuit as seen in the figure below [1]. Low-pass, high-pass, and standard notch responses can be realized. The following picture shows the […]
HomeMade PCB by Heat Transfer, written and developed by Luca_004.HomeMade PCB by Photosensitive Dry Film explained in this link. Hi guys, in this article I will present the creation and manufacture of a homemade printed circuit board (PCB) with the simplest items at home. HomeMade PCB Tutorial Step 1: Create a Layout With the program […]
“Magic Eye” emulation project written and developed by Konstantin Dorohov (USA). The recorders and receivers of my youth used the now defunct tube level indicators or “magic eye” on 6E1P or 6E5C lamps. Now is the time for nostalgia for the “old days” and you can buy assembled indicators on aliexpress or amazon. They are […]