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Decade counter with internal clock rate. Schematics/Unseen Servant/fp-info-cache | 1 | 1uF | Unpolarized capacitor | | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 Standard switching diode, DO-35 Pin header 2.54 mm 2x5 | | R4, R6, R7, R30, R31 Switch, dual pole double throw | | C2 | 1 | TL071 | Operational amplifier, DIP-8 | | | | | | | | | | | | | Screws and spacers (see build notes A-1605 * Fit SIP socket for\nsocketing capacitors C13 marked.

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