Raspberry Pi guitar loop switcher
A DIY loop switcher for guitarists offers pro-level pedal control via a Raspberry Pi and a modern touchscreen interface [https://hackster.io/news/meet-the-raspberry-pi-powered-loop-switcher-that-rivals-pro-gear-62d0878a721b].
The project uses a Raspberry Pi 4 Model B to control up to eight effects loops, offering true bypass switching to maintain signal integrity. A 7-inch touchscreen provides a user-friendly interface for selecting and managing different pedal combinations. The creator, Tim Yates, designed the loop switcher to address the limitations of traditional stompboxes and complex pedalboards. He wanted a system that offered flexibility, programmability, and a clean signal path. The system's software is written in Python, leveraging libraries like Pygame for the touchscreen interface and RPi.GPIO for controlling the relays. This allows for easy customization and expansion of features.