Ordering a video wall from China: MOQ, deposit, lead time, and the contract
Two quotes for the same wall can differ by 30 percent. The gap sits in four places: the minimum order quantity, the deposit ratio, the clock that starts lead time, and the dead-pixel clause.
Read the note →An interactive touch table is a furniture problem before it is a screen problem
Height, glass, where the PC sits and where the cable exits decide whether visitors touch a table at all.
Read →HDMI, DisplayPort or SDI? How to choose the input before the screen arrives
The screen supports all three. Your source decides which one you should actually use. Four questions and a cable-length table.
Read →Self-service kiosk with a printer, a scanner and a payment terminal
Three failures that appear after the pilot: a browning-out supply, a USB port that will not enumerate, and a paper roll nobody can reach.
Read →Three emails about latency: where 180 ms went in a video wall
A client said the live camera feed felt 'half a second behind'. It was 180 ms. Here is the thread that found it, device by device.
Read →86 inch electronic sand table: twelve GIS layers on one screen
Notes from a planning exhibition review, where the screen was finished on day one and the arguments about layer hierarchy lasted three afternoons.
Read →Planning a curved LED wall: the radius is the easy part
Clients send a sketch with an arc and a radius. What matters is where the seams land and whether the cabinets can actually follow the curve without stepping.
Read →Surveillance video wall layout: 16:9 or 4:3, starting from the cameras
Security walls are usually designed from the room backwards. They work better designed from the camera list forwards, one feed at a time.
Read →The 43 inch rotating display that twisted its own cables
A retail entrance unit that turned between portrait and landscape on a schedule. The first prototype lasted six weeks before the cables failed.
Read →A day at the factory: the three rooms a buyer asked to see
A customer spent a day in Shenzhen, skipped the showroom, and asked for the burn-in room, the calibration bench and the spare parts store.
Read →Cloud signage or a USB stick? The honest comparison for small networks
Cloud platforms are sold as the modern answer. For a chain of four shops, the maths is less obvious. Two deployments, one year apart.
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