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Back How to apply smooth = 20; // tweak on this and/or Hagiwo's quantizer, if going digital ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc ** 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 sufficiently detailed for a single 1 mm² wires, basic insulation, conductor diameter 2.4mm, see , script-generated with , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 804-101, 45Degree (cable under 45degree), 9 pins, pitch 10.2mm, size 25.4x8.3mm^2, drill diamater 1.2mm, pad diameter 2.2mm, see http://www.mouser.com/ds/2/324/ItemDetail_1725656-920552.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix PT-1,5-12-3.5-H pitch 3.5mm size 17.5x7.6mm^2 drill 1.2mm pad 2.3mm terminal block RND 205-00300 pitch 10mm Varistor, diameter 21.5mm, width 5.8mm, pitch 10mm Varistor, diameter 21.5mm, width 5.6mm, pitch 10mm Varistor, diameter 15.5mm, width 5mm, pitch 7.5mm Varistor, diameter 21.5mm, width 6.3mm, pitch 10mm Mallory low-profile piezo buzzer, https://www.mspindy.com/specifications/AST12140MLQ.pdf Buzzer, D12.2mm height 6.5mm, https://product.tdk.com/info/en/catalog/datasheets/piezoelectronic_buzzer_ps_en.pdf piezo buzzer self drive oscillator magnetic transducer buzzer, 5V, SPL of 100 dB at 10 cm, https://www.cuidevices.com/product/resource/pdf/cmt-8504-100-smt-tr.pdf Buzzer, Elektromagnetic Beeper, Summer, 3-28V-DC, https://www.kynix.com/uploadfiles/pdf/AI-4228-TWT-R.pdf Star Micronics HMB-06 HMB-12 Speaker, 30mW, 300-7000Hz, IP67 face, 12x6x2,25mm, https://www.cuidevices.com/product/resource/cmr-12062s-67.pdf.

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