Notes
Field notes and small experiments for exploring signals, circuits, and radio.
Sampling & aliasing
See how changing the waveform and sample rate affects what you can reconstruct from its samples.
4-variable Karnaugh map
Fill a K-map with 0, 1, or don’t-care cells to see the simplified Boolean expression and its groups.
LTI systems, impulse response, and convolution
A short field note on analog and digital LTI systems, impulse response, and convolution, with visual explanations.
24 hours in the soil
A running plot of the basil plant’s latest soil and environmental readings, with each hourly report saved by the bridge.



