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BackScrew terminal, single row, 01x03 D 2x5 pin shrouded header 2.54 mm spacing | | | | | S3 | 1 | 10 nF | Unpolarized capacitor | | | U2 | 1 | LED | Light emitting diode Push button switch OFF-(ON) | Dailywell | PAS6B3M1CESA3-5 or PAS6B3M1CESA2-5 | Tayda | A-3486 or A-3487\*\*\* | | | J7, J8, J9 | 1 | 10nF | Ceramic capacitor | | | | | J12 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14 Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14"/>