Labels Milestones
BackBoard (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the https://www.onsemi.com/pub/Collateral/NCP115-D.PDF Panasonic HQFN-16, 4x4x0.85mm (https://industrial.panasonic.com/content/data/SC/ds/ds7/c0/PKG_HQFN016-A-0404XZL_EN.pdf Panasonic HSON-8, 8x8x1.25mm (https://industrial.panasonic.com/content/data/SC/ds/ds7/c0/PKG_HSON008-A-0808XXI_EN.pdf QFN, 12 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/6957fb.pdf#page=36), generated with kicad-footprint-generator Mounting Hardware, inside through hole M3, height 8, Wuerth electronics 9774080243 (https://katalog.we-online.de/em/datasheet/9774080243.pdf), generated with kicad-footprint-generator Soldered wire connection, for 5 times 2.5 mm² wires, reinforced insulation, conductor diameter 2.4mm, outer diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block connector.
- Http://cdn-reichelt.de/documents/datenblatt/F100/402097STEC12E08.PDF Alps rotary encoder, EC12E... With switch, vertical.
- V_margin+12; slider_bottom = v_margin+12; Initial.
- "silk_line_width": 0.15, PCB initial layout, no traces.