Browse Pedals

Standard Vibrato

Pedal Creator

This pedal sketch implements a typical vibrato pedal. It relies on the fx_variable_delay to changes the pitch of the incoming signal using an LFO (low-frequency oscillator).

Standard Tremelo

Pedal Creator

This is an example that shows how to use the fx_amplitude_mod effect to create a tremelo pedal effects. The ADSR envelope standads for attack-decay- sustain-release and controls how quickly a note fades and out. The sketch also demonstrates how to route the new note pedal event to the ADSR envelope so each time you play a new note, the ADSR envelope is applied.

Double looper

Pedal Creator

This effect uses two independent loopers. The duration of the second looper is synchronized to the first. Hold down the left footswitch to record the first loop. Then hold down the right footswitch to record a second layer. Tapping either of the footswitches after the record will clear that loop. The left pot controls loop 1 volume, the right pot controls loop 2 volume and the center pot controls a gentle low-pass filter over the loops.

Multitudes

Pedal Creator

A variable length delay pedal where the feedback path of the main delay ("driver") is routed to a secondary delay ("propagator").

Attack Decay Swell

Pedal Creator

This is an example that shows how to use the fx_adsr_envelope effect to control the attack and decay of a played note. The ADSR envelope standads for attack-decay-sustain-release and controls how quickly a note fades and out. The sketch also demonstrates how to route the new note pedal event to the ADSR envelope so each time you play a new note, the ADSR envelope is applied. By turning attack and release way down, each note sounds like a quick pluck. And increase attack creates a swell effect like an ebow.

Bit and Sample Rate Crusher

Pedal Creator

Uses the BIT_CRUSHER and the SAMPLE_RATE_CRUSHER models in the destructor to both reduce the bit resolution of the audio samples (bit crusher) and reduce the sample rate (sample rate crusher). A sample rate crusher does not use what's called an anti-aliasing filter when it reduces the sample rate and as a result, it produces all sorts of artifacts of the original signal at different frequencies.

Purple Cobra

Pedal Creator

Do not taunt the purple cobra. This is a tightly compressed distortion that runs through a fuzz destructor to create tight notes with lots of colorful harmonics. This effect also uses a pitch shifter. Stepping on the right footswitch mixes in the lower octave

Pentatonic Theramin

Pedal Creator

Creates a Theramin using a Sparkfun distance sensor. When the measured distance from the sensor is less than about 2.5 feet, the tones are mixed in. And when there is nothing in front of the sensor, the tones turn off. This sketch relies on a Sparkfun distance sensor that can be obtained here: https://www.sparkfun.com/products/14722

Typical Ring Modulator

Pedal Creator

The ring modulator effect moves all of the frequencies around creating a very interesting and sometimes unwieldy sound.

Triple Envelope Filter

Pedal Creator

An envelope filter that uses three filters instead of one to create more interesting and exotic tones that mimic the vocal track.

Momentary Delay

Pedal Creator

This is an example that shows how to use the fx_delay effect to create a delay effect that can be activated with momentarily with a footswitch like in dub songs. Regular music and then you hold down the left footswitch and things will be delayed. Release the footswitch but the delays still ring out.

Echo looper

Pedal Creator

This is a basic looper pedal that uses the route_control() function to pass the tapped loop length along to an echo effect. The echo effect is set to 1/4 the lenght of the loop so each time a new loop is set, the echo time is updated to. The looper output also runs through a low-pass filter with a bit of resonance so you can turn the recorded loop into a cool background droning pattern.

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