![Understanding A Guitar Pedal Circuit (MXR Envelope Filter) | Electronics Forum (Circuits, Projects and Microcontrollers) Understanding A Guitar Pedal Circuit (MXR Envelope Filter) | Electronics Forum (Circuits, Projects and Microcontrollers)](https://generalguitargadgets.com/wp-content/uploads/mxr_envelope_filter_sc.gif)
Understanding A Guitar Pedal Circuit (MXR Envelope Filter) | Electronics Forum (Circuits, Projects and Microcontrollers)
![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
![Amazon.com: Delay-1 DIY Guitar Pedal Kit With 1590B Aluminum Metal Stomp Box Case Enclosure : Musical Instruments Amazon.com: Delay-1 DIY Guitar Pedal Kit With 1590B Aluminum Metal Stomp Box Case Enclosure : Musical Instruments](https://m.media-amazon.com/images/I/617E6ffiMaL._AC_UF894,1000_QL80_.jpg)