FIELD NOTES
Get better at hardware test.
Guides, tutorials, and best practices to help you build better hardware tests.
- Test Data & Analytics
Anomaly Detection in Hardware Test Data
Learn how to detect anomalies in hardware test measurements using TofuPilot's analytics and automated limit checking.
- Test Data & Analytics
How to Improve First Pass Yield
Actionable strategies to improve first pass yield (FPY) in electronics manufacturing, with root cause analysis, Pareto charts, limit refinement, and TofuPilot.
- Test Data & Analytics
Use Control Charts for Tests
Learn how to use control charts to monitor test process stability, distinguish control limits from spec limits, and detect out-of-control conditions with.
- Test Data & Analytics
Test Data Management for Electronics
Learn how to structure, store, and query electronics test data with TofuPilot for automatic traceability, yield tracking, and process control.
- Test Data & Analytics
Time-Series Test Data Analysis
Learn how to capture, store, and analyze time-series measurement data from hardware tests using TofuPilot's multi-dimensional arrays.
- Test Data & Analytics
Pareto Analysis for Test Failures
Learn how the 80/20 Pareto principle applies to test failures, how to write tests that produce actionable failure data, and how to use TofuPilot's Pareto chart.
- Test Data & Analytics
How to Reduce Retesting Costs
Learn why retesting wastes 10-30% of test capacity, how to fix root causes with better OpenHTF patterns, and how TofuPilot tracks retest rates.
- Test Data & Analytics
What Is Process Capability (Cp and Cpk)
Understand Cp and Cpk formulas, what different Cpk values mean for your process, and how TofuPilot calculates them from your test data.
- Test Data & Analytics
Track Rolled Throughput Yield
Learn how to measure Rolled Throughput Yield (RTY) across multi-step manufacturing processes and track it in TofuPilot's dashboard.
- Test Data & Analytics
What Is Test Data Management
Learn what test data management is, why spreadsheets fail at scale, and how TofuPilot structures your electronics test data automatically.
- Test Data & Analytics
The Hidden Cost of Retesting in Manufacturing
Learn how retesting inflates costs in manufacturing, identify root causes, and use TofuPilot's unit history to track and reduce retest rates.
- Test Data & Analytics
How to Build Manufacturing Test KPIs
Learn how to structure your OpenHTF tests so TofuPilot automatically generates manufacturing KPI dashboards with FPY, throughput, Cpk, and failure analysis.
