Wenwei Lin

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Work

Scan-to-report on PDAs

Shop-floor workers scan the code on a work order with a PDA or a phone camera and report their work right at the machine.

When
2023.09 – 2025.12
Context
Black Lake Technologies
My role
Frontend development, product management
Built with
React · TypeScript · Ant Design
120

Background

When a worker finishes a step, they report how much they made. In some factories everyone has a phone and scans with it; others don’t allow phones at work, so workers use a PDA.

What I did

I took over the project when I joined and maintained it from then on. Workers scan the code on a work order with a PDA or a phone camera, and the report form opens; I wrote time-based reporting from scratch.