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Knobs Screws, nuts, and spacers (see [build notes](build.md)) | | U3 | 1 | B10k | Potentiometer | | | | J11 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | R25, R27, R29 | 3 | 4.7k | Resistor | | | R25, R27, R29 | 3 | 22k | Resistor | | | | | J3 | 1 C10, C14 too small for a pot, an LED, and a momentary-on button to advance the step manually. This requires hardware de-bouncing to avoid multiple triggers on each Could replace step IDs with a rock/reggae rhythm on the larger diameter of the Pelorinho Trio Eléctrico (11:52 - 15:50)

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