Labels Milestones
BackR18 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | | | | S2 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 | | Tayda | A-1138 | | | | U3 | 1 | 1 | AudioJack2_SwitchT | Audio Jack, 2 Poles (Mono / TS *(optional) SIP socket, 2.54 mm, 1x2 (see [build notes](build.md)) | | | U3 | 1 | 1uF | Film capacitor | | | | | R25, R27, R29 .
- Square 2.0mm side length test point THT pad.
- 19mm supercapacitor Tantalum Capacitor.
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