Precision ADSR with retriggering and looping modifications * Bourns PTL series, such as: ** Would need another supplier, mouser sells only in 1000+ for these. Latest commits for file PSU/PSU.md //clock rate (rv11 // once/continuous (sw15 // 2 NO Moment switches: // 10 steps (sw1-sw10 // 1 for 5v / 2.5v output mode // 10 steps (sw1-sw10) // 1 rotary switch, 5+ positions.