Runoffgroove - DIY Articles and Schematics

Here are many Audio Effects and Music DIY electronics Articles with Schematics and idea behind the concept. Electronic Music Enthusiasts will find these useful for learning.

Runoffgroove - DIY Articles and Schematics

Some Entertaining Projects are -

Mr. EQ - A simple, yet potent DIY equalizer. Schematic, PCB/perfboard layouts, and photos.

Little Gem - Two 9v battery-powered amps based on the LM386. Schematic and PCB/perfboard layouts.

Eighteen - The Marshall 18W adapted for use as a distortion stompbox. Schematic, PCB/perfboard layouts, and photos.

Tonemender - An ultra-flexible tonestack with clean boost. Schematic, photo, and PCB/perfboard layouts.



Thor - The legendary Marshall 100W Super Lead adapted for use as a distortion stompbox. Schematic and PCB layout.

The Thunderchief project, released in March 2004, was the first runoffgroove.com circuit that was developed using the tubes-to-FETs process. Enlightened and inspired by Doug Hammond's excellent Meteor circuit, we used the same approach in an effort to capture some of the legendary magic of the Marshall Super Lead. The circuit's performance pleased us, but there were issues.

Splitter-Blend - Dual parallel buffered effect loops with blend control. Schematic and perfboard/PCB layouts.

Professor Tweed - The Fender Princeton adapted for use as a distortion stompbox. Schematic, PCB/perfboard layouts, and photos.

Homebrew Projects - Laboratory of Changpuak

The Electronics section of Changpuak maintained by a Teacher of  Thailand, Alexander C. Frank,  has calculation tools for electronic circuits as well as some electronic projects like power supplies, signal generators and curve tracers too .

Among others they also have Amplifier Design, Antenna and Filter Designer AF and RF and Basic Electronics Tutors.

Homebrew Projects - Laboratory of Changpuak

A Geiger–Müller tube consists of a tube filled with a low-pressure (~0.1 Atm) inert gas. (Helium, Neon, Argon,...). The GM-Tube has a coaxial shape, where the inner conductor (Anode) is biased with a high voltage (~500V) relative to the outer conductor (Cathode). The Tube has a window (left side) made of mica.



This GM-Counter is build on 2 PCB's. One is a standard high Voltage generating circuit, whilst the second is a Counter based on an ATMega16™ which also handles serial Communication with a host (Environmental Control).

Homebrew Geiger Müller Counter

This website conserves all those nifty little mini-projects (gadgets) which were developed to enhance the doctoral hats of our "fresh" doctors.



delabs Notes

Doctoral hat electronics - After seeing this section i am convinced that the next innovation will be "SmartHat". There is ample space in a cap for an Advanced Android Multimedia Gadget with a Hepta Core ARM chip and all the works. Rush to the patent office !

A Tiny Computer on Arduino Footprint

pcDuino is a high performance, cost effective mini PC platform that runs PC like OS such as Ubuntu Linux. It outputs its screen to HDMI enabled TV or monitor via the built in HDMI interface.

The platform could run full blown PC like OS with easy to use tool chain and compatible with the popular Arduino ecosystem such as Arduino Shields and open source projects etc.  It can also run Android 4.0 ICS.

A Tiny Computer on Arduino Footprint

Early this year, LinkSprite released a powerful mini PC platform that combines the benefit of an ARM based mini PC and Arduino ecosystem: pcDuino, which represents pc + Arduino. pcDuino is pin to pin compatible with Arduino so that existing Arduino shields can be installed on pcDuino with a simple translation board (T-board). By being compatible with Arduino ecosystem, pcDuino is a platform that bridges the power of open software linux and the power of open hardware.



Use Arduino Uno with pcDuino

pcDuino has all the hardware interface that Arduino Uno has to offer.  Still, there are chances that people run pcDuino just as a mini PC and use Arduino UNO together with it. All the Arduino UNO programming can be done by running Arduino IDE on pcDuino.