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Back| A-4755 | | J11 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 R16, R17, R19, R20 **Potentiometer, 9 mm vertical board mount OR: **Potentiometer, 16 mm vertical board mount OR: | | Tayda | A-2939 | | | | C1 | 1 | TL074 | Quad operational amplifier, DIP-14 A-1135 2 8 pin DIP socket A-001 1 14 pin DIP socket A-004 4 Knobs Screws, nuts, and spacers (see [build notes](build.md)) | | | | | | | J2 | 1 | LED | Light emitting diode | | R3, R21 | 2 | 10uF | Polarized capacitor | | | | | L1 | 1 | 100k | Resistor | | | | S1 | 1 | B10k | Potentiometer | | R8, R10, R12 | 3 | A1M | Potentiometer | | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 100V 0.15A standard switching diode, DO-35 2x5 pin shrouded header 2.54 mm spacing 2 pin Molex header 2.54 mm spacing | | 2 ; DRILL file {KiCad 7.0.11-7.0.11~ubuntu22.04.1} date Tue Mar 5 20:19:51 2024 ; FORMAT={-:-/ absolute / inch / decimal} Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel.gbrjob Normal file Unescape // 10 LEDs - one per step // 1 rotary switch.
- 1.824736e-01 4.058065e-03 -9.832024e-01 facet normal 0.952376 -0.288896 0.0975692.
- 5.47638 20 facet normal 0.836797 -0.462425 0.293145 vertex.
- 7.6mm diameter 3.6mm Resistor, Axial_DIN0411 series, Axial, Horizontal.