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Mm, 1x2 (see [build notes](build.md | | J2 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | C1 | 1 | AudioJack2_SwitchT | Audio Jack, 2 Poles (Mono / TS *(optional) SIP socket, 2.54 mm, 1x10 | | | Tayda | A-2939 | | | Tayda | A-3486 or A-3487\*\*\* | | Tayda | A-3588 | | | | C1 | 1 | 10nF | Film capacitor | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 Standard switching diode, DO-35 2x5 pin shrouded header 2.54 mm spacing | | | | | | | | | C1, C11 | 2 | | | | | Tayda | A-159 | | C9 | 5 | 2N3904 | Small Signal NPN Transistor, TO-92 | | | | R9 | 1 | TL071 | Operational amplifier, DIP-8 | | | R9, R11, R13 | 3 | 100R | Resistor | | | J9 | 3 * https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15R0-103B1/3781301 (red B10K) and https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15O0-105A2/7314942 (orange A1M) The first two groups should be changed to IDC 2×6 connectors. If we expect or plan on developing modules which use the trade names, trademarks.

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