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Probably want to socket the timing capacitors. ** Use only four (4) potentiometers, either 9 mm vertical board mount OR: | | | | | | R4, R6, R7, R30, R31 | 1 | 10nF | Unpolarized capacitor | | | | R4, R6, R7 | 3 | 22k | Resistor | | | | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 | 8 pin SIM connector for 2.4mm PCB's with 30 contacts (polarized Highspeed card edge connector for 1.6mm PCB's with 60 contacts (polarized Highspeed card edge connector for 1.6mm PCB's with 20 contacts (polarized Highspeed card edge connector for PCB's with 50 contacts (polarized Highspeed card edge card connector socket for 1.57mm PCBs, vertical, alignment pins (source: https://suddendocs.samtec.com/prints/hsec8-1xxx-xx-xx-dv-x-xx-footprint.pdf Samtec Micro Mate Discrete Wire Terminal Strip, 1.00 mm Pitch, Single Row, Horizontal (Right Angle) (source: https://suddendocs.samtec.com/prints/t1m-single-row-footprint.pdf.

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