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Simple Music Maker Enter Your Electronics & Design Project for Your Chance to Win a Fog Machine and a $100 Shopping Cart! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   Introduction   Happy Birthday Arduino and Happy Birthday Project14.     My entry to the Open Arduino competition was going to be a music box. I'm too late for that, having missed the deadline, so I'll post the blog in Simple Music Maker instead (and keep my finge ...
Simple Music Maker Enter Your Electronics & Design Project for Your Chance to Win a Fog Machine and a $100 Shopping Cart! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   When this Project14 challenge came up I knew exactly what I would submit. I have been working on this electric guitar for a few months now and just finished it up. I made everything except for the pickups, that is my next step in my instrument making. I always do my own wiring for ...
Simple Music Maker Enter Your Electronics & Design Project for Your Chance to Win a Fog Machine and a $100 Shopping Cart! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   The basic idea was to create simple electronic music instrument which based on analog electronic. Below is schematic of this device: It is an astable multivibrator based on 1/2 of LM358 op amp. Second part of LM358 was used to create virtual ground. Here is equation for output f ...