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notes to self

a document of a plodding mind

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Tag: digital

Posted on 2020-09-182024-06-19
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200 kHz Arduino Clock Generator

Someone contacted me recently about using an ATMega328 to generate a 200 kHz clock signal for a BBD analog delay chip. I finally had a few minutes today to sitContinue reading200 kHz Arduino Clock Generator

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sqrt() reverb…

abram Posted on 2013-02-172013-02-17

this was the final build before it shipped out. circuit is a simple MOSFET (BS170) driver stage followed by two JFET (J201) recovery stages. i’ve included a sound sample ofContinue readingsqrt() reverb…

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Mellotronium revised…

abram Posted on 2012-02-202012-03-05

here’s an update on the new additions/approach to the Mellotronium. i’m attempting to redo the SD card routines once i get the functionality added. using the SD library just doesn’tContinue readingMellotronium revised…

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Arduino: the 8-bit Mellotronium prototype

abram Posted on 2011-12-052012-03-06

i’ve been pretty Arduino obsessed over the past month. i got in my head this idea about building a midi-controlled digital sampler that uses SD cards for storage after thumbingContinue readingArduino: the 8-bit Mellotronium prototype

about

Abram Morphew is an electrical engineer, bedroom musician, composer, naturalist, and amateur scientist. I play music in the the binary marketing show. This blog is a catalog of stuff that I make or bits of information that I think could prove useful later on when memory fails me.

 

I currently hold an Extra Class Amateur Radio Operator license and transmit on the air as K2NXF.

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