Component inventory
A private parts catalogue with quantity, location, filters, import and export.
Project journal
Save goals, notes, status and project checklists locally in the browser.
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Data stays local
The browser stores data on this device. Export a backup before clearing browser storage.
The browser stores data on this device. Export a backup before clearing browser storage.
How to use it
- Add a real entry and check the table.
- Edit or delete an item using its row buttons.
- Download a JSON export regularly as a backup.
Limitations
Data does not sync automatically across devices. Import replaces the current dataset.
Related pages
BOM calculator
Build project bills of materials, calculate cost and export data.
Ohm's law
Calculate voltage, current, resistance and power from two known values.
Series resistors
Add resistor values connected in series and calculate total resistance.