Arduino: Analog Aerials
Essentially the oBITerator program with aerials instead of actual input signal. Of course, we’ve got to mix in the newly constructed PT2399 pedal.…
Author: abram
PT2399 with BJT preamp
here’s a short clip of the delay circuit that i intend to convert to a stomp box. i’m still working out the kinks…
Arduino: the oBITerator
this was a short experiment where i wanted to see how analog AC signals from a guitar were received and converted to digital…
Eico Model 460
Eico Model 460 Oscilloscope Test from abram on Vimeo. Eico Oscilloscope 460 Manual Thanks, Daniel.
Exoplanets…
Driving around doesn’t leave much time for making circuits, so here is an interesting graph brought to you by Space.com. Source Space.com: All…
The Esteli: an LM386N-based cigar box amp
The Esteli: Cigar Box instrument LM386N-based Amp from abram on Vimeo. Here’s the latest in general purpose amplifiers made from reused parts. The…
fuzzy PT2399 on baritone guitar…
Here’s a loose guide that I’m using to migrate the PT2399 into stomp box world. Here’s a dry run sample with a Gretsch…
Square-wave Oscillator Meets PT2399…
Square-wave Oscillator with PT2399… from abram on Vimeo. Very short video of the waveform captured using Xoscpe of the PT2399 applied to the…
LM386 Square-wave Oscillator
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…
First HF Transmission on 160m…
AM transmission on 160m from K2NXF from abram on Vimeo. Here’s a little video of my first AM transmission on HF. The modulation…