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Devices, Scanning & Hardware

The phones, tablets, scanners and printers your operation actually runs on — what you have to buy, what you do not, and what happens when a device is lost, offline for a week, or scanning a code that matches four different records.

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6 articles in devices and scanning.

Devices, Scanning & Hardware 11 min

The Code That Matches Twelve Things

A storekeeper scans a label and four different records legitimately carry that number. What happens next is decided by who is holding the scanner — because access is applied before ambiguity, which means the same code can be unambiguous for a storekeeper and ambiguous for their manager.

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Devices, Scanning & Hardware 12 min

The QR That Changes Every Thirty Seconds

The oldest trick in attendance is one person clocking in for another, and most defences sold against it are theatre. Three independent checks, why the code on the wall is the weakest of them and still worth having, and the honest sentence about what a photograph of it achieves.

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Devices, Scanning & Hardware 11 min

The Phone That Left With The Storekeeper

Somebody leaves on Friday. Four separate things still connect their handset to your system, they are revoked in four different places, and one of them has no button at all. The actual offboarding sequence, and why the blunt step comes first.

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Devices, Scanning & Hardware 12 min

The Device That Has Not Phoned Home

A storekeeper spends Thursday in a warehouse with no signal, and everything they do is sitting on the handset in their pocket. Which four operations work offline, and why a device showing zero queued is more concerning than one showing forty.

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Devices, Scanning & Hardware 11 min

The Printer Is Not Integrated, And That Is The Decision

No driver, no port to configure, no compatibility list. The till prints an 80mm receipt through the browser — which buys you any printer you like, and costs you the drawer kick and the paper-out warning. What to buy, and the two settings worth ten minutes on setup day.

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Devices, Scanning & Hardware 12 min

What Hardware You Actually Have To Buy

The shopping list is the first thing anybody asks for and the last thing most software gives you. Here is the whole of it, what each line connects to, and the four common purchases — biometric clock, connected scale, badge reader, fiscal device — that are read by nothing.

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