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Back.ino file uses an arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew). (ShaftLength must be non-zero. NotchedShaft = 0; // 0 if indicator faces notch, 180 if it can fit.
- More experimentation with panel title.
- 21x11 Layout, 0.4mm Pitch, https://pdfserv.maximintegrated.com/package_dwgs/21-100168.PDF XBGA-121.
- 6.3x5.8mm SMD capacitor, aluminum electrolytic.