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+ 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 either internal or external clock signal, start/stop, manual step (sw13) // 1 for run/stop (sw14 // 1 rotary switch to set output voltages. (10) One potentiometer for internal clock rate. Schematics/Unseen Servant/fp-info-cache Normal file View File 3D Printing/Pot_Knobs/FS_PotiKnob_d6D12h9.stl Executable file View File 3D Printing/Tools/jack-wrench.stl Executable file Unescape Fireball/Fireball.kicad_pro Normal file View File Panels/futura medium.

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