Labels Milestones
BackR12, R13 | 3 | 100R | Resistor | | | | | | | | | R25, R27, R29 | 3 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 KK254 Molex header | | Tayda | A-1624 or A-2969 | | | U1 | 1 | AudioJack2_SwitchT | Audio Jack, 2 Poles (Mono / TS *(optional) SIP socket, 2.54 mm, 1x10 | | | | R1, R10, R11 | 3 | 100R | Resistor | | | | | | R9 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8"/>