Friday, 1 July 2011


Another machine joins the merry throng.

The Bleepotron is a MIDI synth kit that uses a dsPIC digital signal processor. It's a very easy build and has a great lo-fi sound. It's even possible to edit patches and save on it!

I housed mine in an old vid box.

I ran through all it's presets sounds here.

(sorry about the crap loop)

More info about it below...

Bleep-o-tron has the following features:
2 x oscillators (timbres)
8 x phase-modulation waveforms + combinations (36 in total)
white noise
6 x ADSR (attack-decay-sustain-release) envelopes
6 x LFO’s (low-frequency oscillators)
6 x LFO waveforms (sine, square, triangle, rising sawtooth, falling sawtooth, noise)
detuned second oscillator by octaves, semitones or cents
connects to standard MIDI keyboard (velocity sensitive)
keyboard transpose (up to +/– 2 octaves)
keyboard split
play notes using PS/2 PC keyboard
pitch bend and modulation using PS/2 PC mouse
ring modulator
oscillator synch
flanger (swept comb filter)
portamento (constant rate and constant time)
selectable MIDI channel #1 to #16
16 x preset patches
8 x user patches (non-volatile)
master volume control + gain x 2

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