Hardware engineering from first principles

Guides, teardowns, and technical notes on schematic review, netlist analysis, BOM validation, and EDA workflows. Written by the engineers who build CADY.

Writing Custom DRC Rules for Mixed-Signal Schematics
Rule Authoring
Writing Custom DRC Rules for Mixed-Signal Schematics
Noa Zamir · · 8 min
Automating Schematic Review in a KiCad Workflow
Workflows
Automating Schematic Review in a KiCad Workflow
Gilad Shapira · · 7 min
The Real Cost of a PCB Re-Spin in 2026
Industry
The Real Cost of a PCB Re-Spin in 2026
Gilad Shapira · · 5 min
Inside CADY's Rule Engine: How We Parse and Evaluate Netlists
Engineering
Inside CADY's Rule Engine: How We Parse and Evaluate Netlists
Noa Zamir · · 9 min
Diagnosing Net-No-Driver Errors in Complex Schematics
Connectivity
Diagnosing Net-No-Driver Errors in Complex Schematics
Noa Zamir · · 7 min
Five BOM Errors That Reach Production Every Quarter
BOM
Five BOM Errors That Reach Production Every Quarter
Gilad Shapira · · 5 min
Power Integrity Rules You Should Be Running on Every Schematic
Power Integrity
Power Integrity Rules You Should Be Running on Every Schematic
Noa Zamir · · 8 min
Integrating CADY into an Altium Designer Workflow
Workflows
Integrating CADY into an Altium Designer Workflow
Gilad Shapira · · 7 min
Netlists vs Schematics: What CADY Actually Analyzes
Fundamentals
Netlists vs Schematics: What CADY Actually Analyzes
Noa Zamir · · 6 min
A Taxonomy of PCB Schematic Design Rule Categories
Fundamentals
A Taxonomy of PCB Schematic Design Rule Categories
Gilad Shapira · · 5 min