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USB PD 3.1 / EPR
EPR Fixed PDOs, AVS, high-voltage operation, negotiation behavior, and interoperability.
USB PD analysis tools in your browser
USB PD EPR 240W Lab
USB Power Delivery / EPR / Protocol Analysis & Tools
Independent research, measurements, hardware experiments, and open-source tools focused on USB Power Delivery — especially USB PD 3.1, EPR, high-power 240W operation, protocol analysis, chargers, cables, and related test equipment.
Current Focus
What USB PD EPR 240W Lab is working on
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240W Power
Chargers, cables, voltage/current behavior, thermal limits, and practical high-power testing.
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Protocol Analysis
USB PD packet capture, decoding, SOP / SOP' investigation, and protocol-level troubleshooting.
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Tools & Hardware
CY4500 / CY4500-EPR tooling, custom scripts, test fixtures, and experimental hardware.
Open-source projects
Available now
cy4500-cli
Command-line tools for working with Infineon CY4500 / CY4500-EPR protocol analyzer workflows.
PD-Interpreter
Take a peek at charging conversations. Try a demo with no hardware, open a PD log, or go live with KM003C.
PowerChecker-KM003C
Explore charger capabilities, compare power changes, and export shareable KM003C reports.
More on GitHub
Browse all public repositories, source code, and project documentation by inuchanbt.
Find me online
Code, updates, videos, and a game
Explore your charger and cable
Read charger voltage and power capabilities with POWER-Z KM003C, then record voltage/current during actual charging. PD-Interpreter presents USB PD messages as conversations.