Writing — 4 essays
Long-form thinking on the projects above — what worked, what broke, and the boring measurements that decided which was which.
Memory ordering, false sharing, and why a 64-byte alignment hint earned a 3.1× throughput win.
PWM, potentiometer feedback, and the ±2 mm tolerance that decides whether a control loop is honest.
GDS PNRs in, structured CRM records out, three to five seconds each. Here is what broke on the way.
A diabetes companion that listens, reads photos of plates, and never assumes the user can see the screen clearly.