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A pushbutton momentary, but roughly same dimensions as toggle switch | | | Tayda | A-1157 or A-2425 | | L1 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14 | | | | U1 | 1 | B10k | **Potentiometer, 16 mm have been tested and there could be other values, ceramic may work, test debouncing. Maybe enlarge footprint if needed. - Resistor footprint could stand to be more robust.

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