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notes to self

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ARDUINO: Setting up a Gentoo development environment…

abram Posted on 2012-03-072012-03-07

if you’re reading this post, most likely you’re having issues with setting up Crossdev as mentioned on the arduino.cc site. i tried countless times to configure my system for AVRContinue readingARDUINO: Setting up a Gentoo development environment…

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SCHEMATIC: TL082 9V Active EQ…

abram Posted on 2012-03-072012-03-07

an experimental EQ circuit based of the TL082 datasheet. i modified it to use a 9V battery, but could probably still use some work in terms of efficiency… as mostContinue readingSCHEMATIC: TL082 9V Active EQ…

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SPICE: ngSpice plot test…

abram Posted on 2012-03-052012-03-05

nothing too special here. i’ve been practicing my SPICE skills and attempting to work with a single-supply active EQ circuit based on the TL082. further research of this chip hasContinue readingSPICE: ngSpice plot test…

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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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mobile APRS setup…

abram Posted on 2012-01-252012-03-06

here’s a picture of my mobile APRS setup in the Jeep. it’s been a fun project from time to time. eventually, i plan on constructing a 2m vertical antenna toContinue readingmobile APRS setup…

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the Stirgiform PT2399 delay…

abram Posted on 2012-01-212012-03-06

two days worth of soldering and layout. it’s a combination of the Magnus Modulus and Rebote delay schematics. i couldn’t get the mixing circuit to really work from the ReboteContinue readingthe Stirgiform PT2399 delay…

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Arduino: LFO Generator

abram Posted on 2012-01-052017-04-11

here’s a treat for anyone that’s into the audio side of arduino. it’s an 8-bit two-timer based LFO Generator using timer 0/2 on an ATMega328p. i’m only using timer0 forContinue readingArduino: LFO Generator

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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

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Arduino: second verse, same as first… sort of

abram Posted on 2011-11-102012-03-06

well, not really. feeble attempt and making some sort of microprocessor controlled tempo clock, but a good exercise in the ATMEGA328s finicky behavior. don’t ask me what that squeal is.Continue readingArduino: second verse, same as first… sort of

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