PLEBUS 1™ DIY Guitar Effects Breadboard Adapter The PLEBUS 1™ is a development board that can plug-in to standard breadboards, adapting them for prototyping guitar effects circuits. PLEBUS 1™ Features Powering the PLEBUS 1™ The PLEBUS 1™ hosts two (2) power rails (+9V and +5V). The +9V can be supplied via the DC power jack at the … Continue reading PLEBUS 1: DIY Guitar Effects Breadboard Adapter