EarthQuaker Devices Hummingbird V2
Based on the more recent version of Hummingbird using the more common 2N6027 programmable unijunction transistor. Schematic is avaiable HERE.
Repeater
Tools, Tones and Toys for Guitarists
Based on the more recent version of Hummingbird using the more common 2N6027 programmable unijunction transistor. Schematic is avaiable HERE.