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Straightforward build: one op-amp, four transistors and some supporting components. ~$6 in parts, depending on PCB with on-board components hard_sync traces added but maybe won't keep a704d3e530 More traces and vias, and net links romps with traces, vias, and net links Schematics/Unseen Servant/fp-info-cache | 1 C10, C14 too small for film; is film needed? - Fix R25/R1 connection - One potentiometer per step, to set output voltages. (10 One SPDT switch to disable reset (run once). Momentary-normal-off pushbutton to.

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