Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › GuitarPCB Build Support › Easy Order Switching 4PDT (answered) This topic has 1 reply, 2 voices, and was last updated 7 years, 2 months ago by Billy. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts March 26, 2019 at 9:54 pm #5005 AnonymousInactive What Diodes should be used for DA and DB on the Easy Order Switching board (4PDT w/ LED)? March 27, 2019 at 8:23 am #5009 BillyModerator DA and DB are single colour standard LEDs in case you prefer it to or don’t have a common anode bicolour LED Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In