LM386 Square-wave Oscillator abram, June 13, 2011August 31, 2017 Here’s a small LM386-based square-wave oscillator built from the following schematic. I replaced the 30k resistor with a 50k Potentiometer from my stash of parts which then, of course, acts as a pitch controller. The following audio is some track recordings made in Ableton 8.0 with a little filter on… Continue Reading
No. 5 speaks. abram, August 8, 2010April 24, 2017 and what a lovely voice it is. even through a Crate speaker (i’m saving the better speakers for when the testing phase is over). overall, i’d say a success for cheap transformers, Radio Shack parts, and a few pieces taken from a busted computer power supply. audio notes: it was… Continue Reading
No. 5 come alive! abram, August 4, 2010August 8, 2010 like Dr. Frankenstein, it’s about time to bring this little fellow to life… or at least try. the schematic i have is a random luck of the draw internet find, and i have no idea whether or not it will work. however, testing will occur on the work bench soon… Continue Reading
Typical Alkaline Battery Ratings abram, June 29, 2010June 29, 2010 Also posted on the 8088 Networks site. I was using this to create a small external power supply for my Yeasu VX-3R. I used a 9v battery initially and realized that I should use a voltage drop to improve the battery life. Without any sort of voltage drop, the battery… Continue Reading