Labels Milestones
BackSwitch, single pole double throw, separate symbols | | | | | R15, R17, R19 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS) | | | | R31 | 1 | B20k | Potentiometer | | | | | R8, R10, R12 | 3 | 1nF | Film capacitor | | | | | | | R14 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14"/>