Spacing Pin header 2.54 mm spacing R23, R24, R25, R27 Switch, triple pole double throw | | | | | U2 | 1 | SW_SPDT | Switch, triple pole double throw Precision Timers, 555 compatible, PDIP-8 | | | | | J3, J4, J5 | 3 | 1k | Resistor | | R14, R15, R18 | 3 | 10uF | Polarized capacitor | | R31 | 1 | TL074 | Quad operational amplifier, DIP-14"/> Http://www.keyelco.com/product-pdf.cfm?p=710 AA CR2 A battery. Hardware/PCB/precadsr_Gerbers/precadsr-F_SilkS.gbr Normal file View File Hardware/PCB/precadsr_Gerbers/precadsr-Edge_Cuts.gbr. SMD battery holder Keystone. Review Apply jlcpcb's design rules, small fixes for. New Pull Request
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