![I plan on building a diy guitar pedal based on this schematic, but I'm not sure what the circled part could be. My electrotechnics profesor told me that I need a Time I plan on building a diy guitar pedal based on this schematic, but I'm not sure what the circled part could be. My electrotechnics profesor told me that I need a Time](https://preview.redd.it/i-plan-on-building-a-diy-guitar-pedal-based-on-this-v0-7z9mlrb0cl2b1.png?width=640&crop=smart&auto=webp&s=63d00155268e6724a59cb44ed52049a0b7330228)
I plan on building a diy guitar pedal based on this schematic, but I'm not sure what the circled part could be. My electrotechnics profesor told me that I need a Time
![Getting Started with Pedal Effect Circuit Design | #MusicMonday « Adafruit Industries – Makers, hackers, artists, designers and engineers! Getting Started with Pedal Effect Circuit Design | #MusicMonday « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2017/07/PedalEffectF1x600.png)
Getting Started with Pedal Effect Circuit Design | #MusicMonday « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![audio - Will this circuit (for a guitar effects pedal) work? - Electrical Engineering Stack Exchange audio - Will this circuit (for a guitar effects pedal) work? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/J6VwO.png)
audio - Will this circuit (for a guitar effects pedal) work? - Electrical Engineering Stack Exchange
![Genialidad o chorrada? El pedal Circuit Fuzz viene con la PCB extraible de un boost DIY - gearnews.es Genialidad o chorrada? El pedal Circuit Fuzz viene con la PCB extraible de un boost DIY - gearnews.es](https://cdn.gearnews.es/wp-content/uploads/2020/03/acorn-amplifiers-circuit-fuzz-boost-pedal-diy-pcb-front.jpg)