Small Signal NPN Transistor, TO-92"/> Schottky Barrier Rectifier Diode, DO-41Operational amplifier, DIP-8Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | R24, R26, R28 | 4 .../precadsr_panel_al.kicad_pcb | 2510 .../Bigger_Push_Switch_Hole_NPTH.kicad_mod | 18 Panels/luther_triangle_vco_quentin_v3.scad | 14 ...ther_triangle_vco_quentin_v3_blank.stl.stl | Bin 0 -> 5309 bytes Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Based on https://github.com/oguzbilgic/fpd, which has the following features: Two switch selectable capacitors for slower and faster time scales (restoring a feature of the cylinder at the top.