ObsoleteTechnology

Page and personal memo about electronic music, vintage music electronics, DiY, repairs and other geeky stuff.

If you are here for Synthesizer and Studio electronics repairs and servicing please move on to the Synthesizer and Vintage Studio Electronics Repair Service Page.

News:

How to make Frontpanels using Lazertran decals.

Frontpanel with Lazertran decal

Frontpanel with Lazertran decal

New Project added:

Midi-CV/Gate Converter with additional CC output

CV-Gate Converter

CV-Gate Converter

The key features:

  • Low cost, part costs below 20E  ( actually with the power supply it is more expensive)
  • 8 bit resolution
  • Midi Channel learn function by button press
  • Midi Channel saved to EEprom and loaded at next startup
  • Linear and Logarithmic CV curve  implemented on microcontroller as a lookup table
  • CV mode saved to EEprom and loaded at next startup
  • Gate off via either note-off command(8xh) or by note-on with velocity zero
  • Linear mode range: 8 octaves
  • Logarithmic mode range: 3.octaves
  • Modulation Wheel CC on second DAC output
  • Positive supply voltage only, no bipolar power supply needed

PIC16F628 based Midi-Sync/Sync-Midi Converter

Midi to Sync/ Sync to Midi Converter Schematic

Midi to Sync/ Sync to Midi Converter Schematic

New Veste Release on Swayzak’s new label Serieculture!

Serieculture E.P.1

VARIOUS / 240 VOLTS - 240 Volts presents Serieculture 001 E.P, 240 Volts

4 Tracks from 4 Artists, a quality electronic music crossover 4 track e.p. of deep house and detroit techno with a hint of, dare i say it – “minimalism” !

Serieculture E.P1

Veste : Function Select – CLIP
Blufarm : Inside – CLIP
Ben Vedren : Brick Lane – CLIP
Shockt : Coding Parts – CLIP

Get the full download at the known MP3 download portals like beatport, discogs, finetunes etc.

Please do not steal music!

Roland 80017A VCF/VCA Teardown page added

80017A VCF/VCA inside

80017A VCF/VCA inside

Sequencial Circuits Prophet5 servicing page added

Prophet 5 after service

Prophet 5 after service

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