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Low Frequency Oscillator (LFO)
Lowfo is a four channel low frequency oscillator. Each channel is capable of producing square, triangle, ramp, sawtooth, and random waveforms. The frequencies of the oscillators are determined firstly by a rotary controller and secondly by a modulation input. Waveforms are selectable by a small pushbutton located directly above the LED bank. The leftmost and rightmost oscillators can have their periods reset by an external trigger signal located near the top of the module. It is possible to produce a rudimentary envelope using properly timed reset signals with sawtooth and ramp waveforms.
