Labels Milestones
BackHorizontal waterproof 6.35mm (1/4 in) Vertical Jack, 2 Poles (Mono / TS) | | | C7, C12, C13 | 1 | Conn_01x10 | Pin header, 2.54 mm, 1x7 | | Q1, Q2, Q3, Q4, Q5 R1, R2, R23, R24 R3, R21, R27, R28 R4, R6, R7, R30, R31 | 5 | 2N3904 | Small Signal NPN Transistor, TO-92"/>