I did this one a long time ago. Meant for a 1590B, but you can fit it in most enclosure sizes with a bit of cleverness. https://oshpark.com/shared_projects/yQKC4dyx Brilliant!!!! :applause: Tks a lot mmolteratx!! Yea, no problem. Here's the schem. Am I safe to assume this uses a latching stomp swit...