2026-03-30
LiDAR mapping a rail siding with a sub-250g drone
What a featherweight platform can — and cannot — resolve, with honest notes on where the point cloud fell apart.
R&D Log
Proof, in public.
Build logs, benchmark write-ups, and field notes. Depth over breadth — real numbers, reproducible methods, honest failure notes.
2026-05-14EDGE
Quantizing a vibration-anomaly model for a $60 edge board
INT8 on a Cortex-M55 without losing the tail of the distribution — and what the quantization-aware retrain actually bought us.
7 min read
2026-04-22ACOUSTICS
What 10,000 synthetic spectrograms taught us about input design
A clean-room study on representation choices for condition monitoring — window length, mel bins, and the cost of getting them wrong.
11 min read
2026-03-30FIELD NOTES
LiDAR mapping a rail siding with a sub-250g drone
What a featherweight platform can — and cannot — resolve, with honest notes on where the point cloud fell apart.
5 min read
2026-03-02EDGE
Operator fusion: hand-writing a kernel the compiler refused to
When the graph optimizer leaves performance on the table, and how to claw it back without a full custom backend.
9 min read
2026-02-08LIDAR
PointPillars on a power budget: pruning for a battery, not a benchmark
Latency, watts, and accuracy form a triangle. Picking the corner that ships.
8 min read