Search for: Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › Topic Tag: brightness Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Apollo Trem & LED Brightness Started by: Anonymous in: GuitarPCB Build Support 3 4 5 years, 4 months ago Anonymous Viewing topic 1 (of 1 total)