MATRIXSYNTH: Gieskes - LFSR2R Sequencer/Generator


Thursday, October 03, 2024

Gieskes - LFSR2R Sequencer/Generator

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Additional NOISEBUG Listings

"A module that has a few different functions, Sequencer, LFSR Noise generator, Semi random CV generator.

The LFSR2R refers to LFSR + R2R. A LFSR is a Linear Feedback Shift Register, and R/2R is a Resistor Netork that is used to convert digital binary outputs to voltages (DAC, Digital Analog Converter). This is what a Digital to analogue converter mostly uses. I chose this name because it its what is in the module + some more. It was not the goal when i started making this module, but it a nice name.

I developed it because i needed a sequencer that works good for drums, especially with the vu-perc modules. The vu-perc module responds to gate signals, and they hit harder or softer depending if the voltages of the gate signal is higher or lower.

This module has a CV input that can be used to modulate the voltage that comes out of all gate outputs (like the starving binary module). This way the volume of the vu-perc modules can be modulated.

There are two versions one with LED's sticking thru and one with LED's that light from the back. From the back it looks nicer but during day light it will be less visible. Thats why i made two versions T (8 step LED's are THT, they stick tru the top panel) And version S (SMD, the 8 step leds are on the PCB)."

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