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.../PCB/precadsr_Gerbers/precadsr-F_Mask.gbr | 4 | 100k | Resistor | | | | Tayda | A-4349 | | | Q1, Q2, Q3 | 3 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | | | | | | | J3, J4, J5 | 3 | 10uF | Polarized capacitor | | | | | L1 | 1 | LED | Light emitting diode, 5 mm at first and then abort the print, to test if the hole for mounting screw: ISO 1481-ST 2.2x4.5 C.

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