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BackBuild notes) 1 SIP socket, 2.54 mm, 1x7 Pin socket, 2.54 mm, 1x7 | | | | | | | | | | | | | | D1, D2, D3, D4, D5, D8, D9, D10 | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 | | | | | | | | U3 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8"/>