A rebuild of the B24 calibration software, so the techs couldactually use it.
The Mantracourt B24 calibration app was buggy. It hung, it crashed mid-run, the UI gave you no clue what to do next, and a mistake meant starting over. This is the ground-up rewrite that fixed those things.
- CLIENT
- Mantracourt distributor (confidential)
- INDUSTRY
- Industrial sensors
- YEAR
- 2025
- STACK
- Electron · Node · Serial/Radio · TypeScript
The problem
The B24 calibration software was the only way to set up the sensors. It also hung and crashed mid-calibration. There was no documentation. The UI didn't make it clear what to do next or what state you were in. New techs needed someone standing next to them to use it at all.
The worst part was the restart pattern. If you fluffed a step, the only way out was to start the whole cycle over. A calibration that should have taken 30 minutes routinely ran two to three hours when something went sideways. The bench was unpredictable, and the techs hated it.
The build
A ground-up rewrite of the calibration application. Same job, completely different app. The brief was simple: a tech walking up to the bench should be able to run the calibration without anyone next to them, without a manual, and without the app eating their afternoon when something went wrong.
The first move was deletion. Every feature that wasn't part of the actual calibration flow got cut. What was left got rebuilt around the steps the tech runs, in the order they run them, with plain-language prompts at each point.
Then the failure modes. The original would hang and crash; the rebuild doesn't. The original made a mistake at step five force a restart from step one; the rebuild lets you back up, retry, or jump to the failed step without losing the rest of the session. The bench got predictable again.
STABILITY
No hangs, no crashes mid-cycle. Sessions finish.
FOCUSED SCOPE
Stripped to what the cal cycle actually needs. Everything else is gone.
INTUITIVE FLOW
Step-by-step in plain language. New techs use it without a manual.
ERROR RECOVERY
A mistake at step five doesn't restart steps one through four.
RADIO COMMS
Direct link to the B24 over its dongle.
PREDICTABLE STATE
Every screen makes it obvious where you are in the cycle and what's next.
The outcome
Calibrations stopped ballooning into multi-hour sessions when something went wrong. New techs picked it up on day one. The bench got its afternoons back.
Got a similar bottleneck?
30 minutes on a call. Tell me what's eating the week. If there's something to build, you'll know by the end of it.
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