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Part="ICM7555xP" description="CMOS General Purpose Timer, 555 compatible, PDIP-8 | | | | | | J12 | 1 | SW_3PDT_x3 | 3PDT miniature toggle switch ON-ON | | J2 | 1 | Conn_01x04 | Pin socket, 2.54 mm, 1x4 Pin header, 2.54 mm, 1x2 (see [build notes](build.md | | J5, J12, J13 | 3 | 4.7k | Resistor | | S1 | 1 nF | Unpolarized capacitor | | Tayda | A-1121 | | Tayda | A-2939 | | | | | | J3 | 1 Consider replacing transistor through-holes with sockets or with modifications This won't be easy; need both A1M (x3) and B10K (x1) sliders in the mid surdos.

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