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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 https://www.analog.com/media/en/technical-documentation/data-sheets/199399fc.pdf TO-92 2-pin leads in-line, narrow, oval pads, drill 0.75mm (see NXP sot054_po.pdf TO-92 leads molded, narrow, drill 0.75mm TO-92Flat package, often used for a full bridge rectifier; could use fewer caps that way Latest commits for file Samba_Reggae_1.html Add html test version facet normal -0.0376652 -0.382444 0.923211 vertex 0.0330347 8.99675 3.82299 facet normal -0.392549 -0.734381 0.553705 facet normal -3.551516e-001 -2.892438e-003 9.348043e-001 vertex 4.199100e+000 -2.423207e+000 2.493625e+001 facet normal -5.804319e-01 2.431244e-03 -8.143051e-01 facet normal 0 -0.0928906 0.995676 vertex 1.84182 8.06952 19.9688 facet normal 0.290279 0.956942 -7.53346e-07 facet normal 0.241804 0.796836 0.553699 facet normal 0.0110255 0.0916557 0.99573 facet normal -0.500005 -0.866022 0 facet normal -0.366246 0.925203 0.0993121 facet normal 0.869711 0.0906015 0.485175 facet normal 0.980787 0.19508 0 vertex 1.75581 -8.82707 3.82299 facet normal -3.562743e-001 6.107892e-001 7.071105e-001 vertex 2.607374e+000 -4.475854e+000 2.488700e+001 facet normal -0.111552 -0.367744 0.923212 facet normal -0.995174 0.0974658 0.0113699 facet normal 1.600429e-001 -2.743735e-001 9.482117e-001 vertex 1.414349e+000 -4.059309e+000 2.494118e+001 facet normal -3.025303e-001 5.178213e-001 8.002103e-001 facet normal -0.392551 -0.734383 0.553702 facet normal -1.398071e-01 9.901788e-01 -3.655938e-05 facet normal -0.125325 -0.992116 0 facet normal -0.554793 0.0426235 0.830896 vertex 7.3432 0.499373 6.98393 vertex 7.31983 0.636408 7.07423 facet normal 2.908002e-001 2.368463e-003 9.567809e-001 facet normal 0.904824 -0.425785 0 vertex -10.1521 -0.388301 0 vertex 6.36396 6.36396 0 vertex 8.22545 5.96308 2.19603 vertex 8.22545 -5.96308 0 facet normal 5.477162e-002 -9.389922e-002 9.940739e-001 vertex 1.435524e+000 -4.095611e+000 2.495526e+001 facet normal -0.368125 -0.929776 -0 facet normal -0.0974631 0.98934 0.1082 facet normal -0.000168718 -0.115745 -0.993279 facet normal 0.449684 -0.462456 0.764146 facet normal 0.560089 0.682464 0.46962 facet normal -0.0430222 -0.0702523 0.996601 facet normal -0.0499991 0.0865457 -0.994992 vertex -4.25585 -9.04414 0.0456596.

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