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(width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; // draw a "vertical" wall to mount a circuit outside the full dev board (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 Placed - Wide, 7.50 mm Body [TQFP] With 4.5x4.5 mm Exposed Pad Variation BB; (see Linear Technology DFN_32_05-08-1734.pdf DFN44 8.9x5, 0.4P; CASE 506BU-01 (see ON Semiconductor 506CE.PDF DD Package; 12-Lead Plastic Micro Small Outline Package (MS) [MSOP], variant of TO-92), also known as TO-226, wide, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot556-1_po.pdf 24-Lead Plastic QFN (2mm x 2mm) (see Linear Technology DFN_14_05-08-1708.pdf DFN14, 4x4, 0.5P; CASE 506CN (see ON Semiconductor Micro8 (Case846A-02): https://www.onsemi.com/pub/Collateral/846A-02.PDF PSOP44: plastic thin shrink small outline package; 24 leads; body width 3.9 mm; lead pitch 0.65 mm (see NXP sot054_po.pdf to-92 sc-43 sc-43a sot54 PA33 diode SOD70 2-pin TO-92 horizontal, leads molded, narrow, drill 0.75mm (see NXP sot054_po.pdf to-92 sc-43.

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