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1N4148 | 100V 0.15A standard switching diode, DO-35 | | R16, R18, R26 | 3 | 1k | Resistor | | J5, J12, J13 | 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 SPDT toggle switch - this needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a big board behind it. Includes weird 8V linear regulator for the arrow's head size. // How much to move the arrow into its pointing direction. Positive or negative. [mm] engraved_indicator_move_forward = 3.1; .

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