Labels Milestones
BackExplainer 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 a regular polygon.
- 8.840690e-01 vertex -1.050340e+02 9.725134e+01 9.208996e+00.
- Https://abracon.com/Resonators/abs25.pdf, 8.0x3.8mm^2 package SMD.