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BackHeight=9.5mm tact sw push 6mm smd CK components KSC7 tactile switch D Switch, dual pole double throw, separate symbols K switch dp3t ON-ON-ON D Switch, single pole double throw Precision Timers, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | | | R9, R11, R13 | 3 | 1 | 10nF | Film capacitor | | Tayda | A-559 | | | Tayda | A-826 | | 14 pin DIP socket A-004 4 Knobs Screws, nuts, and spacers (see build notes | C7, C12, C13 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14"/>