pedal brainz Pedal Brainz Left Brain Expression Pedal
SKU: 62922023810
pedal brainz

pedal brainz Pedal Brainz Left Brain Expression Pedal

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Description

pedal brainz Pedal Brainz Left Brain Expression PedalMaker: Pedal Brainz Model: Left Brain Condition: New Description: LEFT BRAIN EXPRESSION MODULATOR The Left Brain is a light controlled expression pedal that interfaces with effects offering expression control. Controllable patterns of light result in the virtual turning of knobs when used in conjunction with the available properties of a compatible effect pedal. Over 50 Modez of controllable expression, an expression pattern loop recorder, and a host

Maker: Pedal Brainz

Model: Left Brain

Condition: New

 

Description: 

LEFT BRAIN - EXPRESSION MODULATOR

The Left Brain is a light-controlled expression pedal that interfaces with effects offering expression control.

 

Controllable patterns of light result in the virtual turning of knobs when used in-conjunction with the available properties of a compatible effect pedal.

Over 50 Modez of controllable expression, an expression pattern loop recorder, and a host of other features to harness the potention waiting in your effects pedals.

LEFT BRAIN - CREATIVE EXPRESSION

What if you could get a little more modulation from an effect on the floor, without resorting to yet another giant-sized foot-controllable expression pedal.

 

Tired of repeating patterns of sine/ square/ triangle waves and eager to break the cycle with some constrained randomness?

Check out the documentation for an overview of the different modez, controls, and features.

NEW FEATURES IN VERSION 2

v2 - Arduino Upgrade - The Arduino QTPY replaces the Gemma M0 from v1 for even more creative computer controlled opportunities. With open-source software and full programmability, the Left Brain can be adopted and expanded to allow for any controllable patterns of light you can imagine.

v2 - LED Backlit Knobs - The Left Brain now features addressable LEDs behind each knob in v2. With light no longer confined to the inside of the enclosure, additional feedback can be provided about the different Modez through light. With the newly expanded Arduino capabilities there are now 5 total addressable LEDS (2 internal, 3 external) which can be configured to either modulate the expression or provide illumination through the knobs. Additional consideration has been made to allow for the scaling of the knob lights through software so you can choose how bright they are on the outside. 

v2 - Buttons - Two buttons replace the complicated dance of knob turning from v1 and makes changing between new Modez and Banks of Modez easy. This also means the ability to create utility and special Modez.

 

v2 - Voltage Regulator - Leveraging standard 9v center-negative effect pedal power means stepping down to 5v to power the Arduino and LEDs in the Left Brain. While the voltage divider used in v1 worked great to power the Gemma M0, the addition of LEDs behind the knobs in v2 has increased the need for stable 5v power. The left brain now uses a 1117 5v Voltage Regulator that is surface mounted on the expression board.

 

v2 - Surface Mount Resistors - Each of the models in the Pedal Brainz Series can be easily adapted to provide different resistance to ensure maximum compatibility across the specifications of different effect pedals. This is achieved through a matrix of resistors that can be switched between (10k, 25k, 100k) in-conjunction with the scale knob, bringing flexibility and creativity. While the through hole resistors of v1 allowed for greater modding flexibility, v2 uses tiny surface mount resistors that make production faster.

LEFT BRAINZ

Have you ever wished for a tiny semi-sentient clone of your brain to turn the knobs of effect pedals while floating effortlessly across the fretboard without worry?

Do you like watching patterns of flashing light working in concert with the parameterization of effect properties while jumping off the deep-end of reality?

Harness the fully configurable power of your Left Brain and unlock the creative expression waiting for you with Pedal Brainz.

LEFT BRAIN - CREATIVE EXPRESSION

What if you could get a little more modulation from an effect on the floor, without resorting to yet another giant-sized foot-controllable expression pedal.

 

Tired of repeating patterns of sine/ square/ triangle waves and eager to break the cycle with some constrained randomness?

Check out the documentation for an overview of the different modez, controls, and features.

v2 - Arduino Upgrade - The Arduino QTPY replaces the Gemma M0 from v1 for even more creative computer controlled opportunities. With open-source software and full programmability, the Left Brain can be adopted and expanded to allow for any controllable patterns of light you can imagine.

v2 - LED Backlit Knobs - The Left Brain now features addressable LEDs behind each knob in v2. With light no longer confined to the inside of the enclosure, additional feedback can be provided about the different Modez through light. With the newly expanded Arduino capabilities there are now 5 total addressable LEDS (2 internal, 3 external) which can be configured to either modulate the expression or provide illumination through the knobs. Additional consideration has been made to allow for the scaling of the knob lights through software so you can choose how bright they are on the outside.

v2 - Buttons - Two buttons replace the complicated dance of knob turning from v1 and makes changing between new Modez and Banks of Modez easy. This also means the ability to create utility and special Modez.

 

v2 - Voltage Regulator - Leveraging standard 9v center-negative effect pedal power means stepping down to 5v to power the Arduino and LEDs in the Left Brain. While the voltage divider used in v1 worked great to power the Gemma M0, the addition of LEDs behind the knobs in v2 has increased the need for stable 5v power. The left brain now uses a 1117 5v Voltage Regulator that is surface mounted on the expression board.

 

v2 - Surface Mount Resistors - Each of the models in the Pedal Brainz Series can be easily adapted to provide different resistance to ensure maximum compatibility across the specifications of different effect pedals. This is achieved through a matrix of resistors that can be switched between (10k, 25k, 100k) in-conjunction with the scale knob, bringing flexibility and creativity. While the through hole resistors of v1 allowed for greater modding flexibility, v2 uses tiny surface mount resistors that make production faster.

LEFT BRAINZ

Have you ever wished for a tiny semi-sentient clone of your brain to turn the knobs of effect pedals while floating effortlessly across the fretboard without worry?

Do you like watching patterns of flashing light working in concert with the parameterization of effect properties while jumping off the deep-end of reality?

Harness the fully configurable power of your Left Brain and unlock the creative expression waiting for you with Pedal Brainz.

HARDWARE FEATURES

3 Control Knobs:
Adjust the properties of light patterns and expression. (See Banks/ Modez below for property details)

2 Buttons:
Single-click to Increase or Decrease Mode number.
Double-click to Increase or Decrease Bank number.
***Bank change always begins with Mode 1 of new Bank***

Expression Type Switch (EXP / EYE):
Choose between manual expression (EXP) or engage the internal photocell (EYE) to add light-based control.

Scale Knob:
Variable control of the Maximum expression value.

Range Switch ( Least | / Less || / Full ||| ):
Adjusts the Maximum range of the Scale Knob.

Tip Direction (TR / RT):
Swaps the direction of expression between Tip-Ring (TR) and Ring-Tip (RT) for greater compatability across effects.

TRS 1/4" Jack:
Requires TRS (Tip, Ring, Sleeve) between Pedal Brain and effect.

DC Jack:
Tip Negative, Sleeve Positive.

USB-C Jack (Internal):
For accessing the internal Adafruit QTPY platform.

MODULATION WAVEFORMS

50 Modez are accessible across 5 Banks featuring an incredible selection of favorites as well as many which have been specially formulated to add unique expression and constrained randomness.

Greatest Hitz: While each mode is unique in this Bank, they cover the basics represented across the other Banks and are the perfect place to begin exploring Expression Modulation.

Shapez: A collection of Modez that fall into the Square and Triangle shaped modulations category, with a few surprises.

Rainbowz: Undulating color sequences with various static and random variations that can be modified.

Naturez: The great outdoors represented though color patterns, spontaneous eruptionz, and wild abandon.

Attractorz: Based on the Strange Attractors branch of mathematics, these modez provide creative, and often, non-repeating and steadily evolving patterns.

MODULATION CONTROLZ

Each Mode comes with a unique set of controls that allow for the fine tuning of modulation. Special focus has been put on creating Modez that are both functional and creative, often bringing the ability to refine or extend randomization to reign in the wild oscillations when called for or let loose with suprose and delight.

Here are some additional features that make the Pedal Brainz Left Brain unique:

External Brightness Control: This Mode sets the Maximum Brightness for the External Controls. If the external lights are too bright, you can turn them down using this Mode without effecting the Expression values.

Light Loopz - Expression Looper Mode: Light Loopz allows for the Recording of a combination of Manual Fade and/ or Momentary Full Brightness that plays back with adjustable Speed and Brightness.

Duration/ Speed Multiplier: This Mode sets a Multiplier Amount that can be used to extend/ slow the duration of the cycling x1, x2, or x3.

Plus a few other hidden features!


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    Exchange/Return Notes
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    • Final sale items are not eligible for returns or exchanges.
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    SKU: 62922023810

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    Karen Brewer
    Birmingham, US
    ★★★★★ 3
    Love the idea!
    Size: 6 Pieces, Size: 6 Pieces
    Love the idea of this product! Arrived 3/25/2026 and started using it the same day. Lab puppies (8 months old) loved it too, until one of the tabs was chewed off 😞 One of the puppies ate something (not this product) last week and was sick & finally threw up the rubber pieces he ate. So they can’t use the toys they love!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 1, 2026
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    Gabby
    Massapequa, US
    ★★★★★ 5
    Get 8 pack for bigger / stronger dogs
    Size: 6 Pieces, Size: 6 Pieces
    This is the best puzzle toy i have found for my GSD mix. All around high quality product 10/10. Thick, durable rubbery material that holds up against a strong chewer. Individual pieces are big and bulky enough that i don’t have to worry about my bigger dog accidentally (or intentionally) swallowing a piece, so i don’t need to supervise. That being said, if you have a bigger dog or a strong chewer, i HIGHLY recommend getting the 8 pack if you actually want to keep them busy for more than 20 mins consistently. Bigger dogs just have more leverage to tug on the pieces because obviously…they are bigger, so its just easier for them. The more pieces you add and more tangled/thicker you can make it, the less leverage they have and the harder it is for them to get a good grip. I have a german shepherd/pitbull mix (big boi, v smart, v strong) and i initially got the 4 pack which, after the first few times, only took him about 5 mins to get all the pieces apart even with level 5 connections. So I ordered an additional 6 pieces (i have a total of 10 pieces now) so i could make it harder for him and it was totally worth it. Now I use 8 pieces with level 5 connections and vital essentials freeze dried beef liver treats inside for my GSD and it consistently takes him 30+ mins to get the whole thing apart. I have timed this lol. I can rebuild the 8 pieces multiple different ways to make it more or less challenging (but i always opt for as difficult as possible to keep him entertained for as long as possible) I use the other two pieces with a level 1 or 2 connection for my other dog- bordercollie mix who is not a very strong chewer, he mostly just rolls it around/ licks it until it finally opens or i help him. Both of my dogs are obsessed with this. And i love watching them try to figure it out.
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    Reviewed in the United States on May 7, 2026
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    Cassandra DeSpain
    Carnegie, US
    ★★★★★ 5
    Awesome Tough Chewer Focus Puzzle
    Size: 8 Pieces, Size: 8 Pieces
    Our 2 yr old busy Mini Goldendoodle (24lbs) looooves this! The material is super tough, yet malleable; he has chewed away and you can’t even tell. We got the 8 pack, worth it! I load them all up with mostly kibble and a treat or two. It took just a short time for him to figure out how to really get it apart. On 1 it came apart really easy for him. We are mostly on 3s, with 2s. When he gets down to only 2 pieces connected it’s usually a 3 and it takes a little longer to get apart due to less leverage. It is mostly easy to use but the higher the plug end is, the more effort it will also take for YOU to get it together. The numbers are a little hard to see, more so on the yellow over the blue. If you use kibble like me, don’t fill it too full as then it won’t connect fully and be prepared for kibble to fly everywhere when they finally get it off. There are holes in the plug part, if you put something in it like peanut butter, remember to poke the holes out! Eew! Other than that they are fairly easy wash out in the sink! Overall, this has become our go to, extended focus, quiet time, [essentially a] slow feeder!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 24, 2026
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    Juno
    Phoenix, US
    ★★★★★ 5
    Great!
    Size: 4 Pieces
    I have a mini Australian Shepherd (37 lbs) and she loves this! She can get level one but has a tougher time with level 2. I have tried 3 but she gives up so she hasn't gotten further than that lol. She is quite stubborn and gives up easy if she can't figure something out and is totally over it. The quality is great as it is thick and not easy to destroy. My fur baby does love it, she seems to think it is fun for at least an hour so it is worth it in my eyes. There are times I have to do something that takes longer and I just can't play with her so this is perfect for her. It was definitely worth the money
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    Reviewed in the United States on July 16, 2025
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    Elle Zena
    Omaha, US
    ★★★★★ 5
    Keeps Aussie Entertained for Hours
    Size: 4 Pieces, Size: 4 Pieces
    This puzzle toy has quickly become one of my dog’s favorite sources of entertainment. It keeps him busy, challenged, and happy. The variety of difficulty levels gives him a challenge, and it is so fun to watch him work through the puzzles. Even when he is just playing with individual pieces, he is entertained. It is also very user-friendly. Setup is simple, and it is not overly complicated for the owner to manage. Cleaning is surprisingly easy, too. The pieces wipe down well, and nothing traps food or slobber, which is a huge win compared to some other toys we have tried. Functionality-wise, it is fantastic. The levels of difficulty actually work as intended, and I like being able to adjust them based on my dog’s mood. It is durable, too. The weight and sturdiness of the pieces keep them from sliding around too much during play, and they are tough enough to withstand my Aussie’s powerful chewing without damage. I also like how it is numbered so you can quickly move onto the next level without too much thought. With that, I have noticed the higher levels are challenging, and my Aussie has yet to get through them all. Eventually he gets bored and stops trying. It is a high-quality, fun, and engaging toy that provides mental stimulation, holds up to rough play, and is easy for me to maintain. Definitely one of the best puzzle toys I have tried!
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    Reviewed in the United States on August 19, 2025

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