Reference data, not a guarantee
My Hardware Fixer publishes connector pinouts and power and energy calculators. A wrong pin or an optimistic figure can damage equipment, start a fire, or injure someone, so it is worth being plain about what they are.
Check before you connect or power anything
Pinouts are compiled from public standards and vendor documentation. Connectors, pin 1 conventions and board revisions vary. Confirm every pin against the datasheet for your exact part and revision, and measure it with a meter, before you apply power. Never open mains-powered equipment such as a power supply.
Calculator defaults are typical or manufacturer-rated figures, not measurements of any product. Results are estimates. For a real answer, measure the device you have.
What runs on your device
The tools work in your browser and do not send what you enter to us. That protects your data, but it also means we cannot see or help recover a figure you lose.
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