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Logic

Index

  1. Antonio Says
  2. Basics
  3. In Practice
  4. Why?

Antonio says:

0.4.0 
	a simple module for boolean logic, Was my gym to learn VCV modules
0.5.0
	streamlined version, and color codes... (white sockets, inputs, black sockets, outputs)

Basics

Type: Utility / Trigger/Gate Control

Size: 5 HP

Description: 2 pairs each of DIGITAL AND, NOT, OR, and XOR Logic Gates.

Digital is important here, because the module will only output a 100% duty cycle pulse wave at +5.00V when the Gate condition is matched.

In Practice

Inputs are considered "ON" when the voltage is equal to or greater than +1.00 V, and ignore negative voltage altogether.

Outputs are either ON at +5V or OFF at 0V.

NOT Gates

IN ON = OUT OFF

IN OFF = OUT ON

AND, OR, & XOR Gates

IN1 + IN2 = AND OR XOR
OFF + OFF --> OFF OFF OFF
OFF + ON --> OFF ON ON
ON + OFF --> OFF ON ON
ON + ON --> ON ON OFF

Why?

There are many reasons to use Logic Gates in your patches, with just one of them being creating different rhythmic patterns.

For example: Say you wanted to set up a 4/4 backbeat-style pattern, where the Kick was on 1, and the Snare was on 2.

You could:

   a) Fire up a sequencer and program it in (taking both screen and processing real estate); OR
   b) use your clock and a couple of Logics to set up the entire pattern.

As seen in the above patch, the output of:

NOT bpm/8 
AND bpm/4
AND bpm/2
AND bpm/1

Gives you a pulse on beat 2 and beat 4.