Module

Also known as: cell pixel dot

The smallest unit of a QR code — a single dark or light square. A Version 1 QR code is 21x21 modules (441 total), while a Version 40 is 177x177 (31,329 total). The physical size of a module determines the minimum print resolution required for reliable scanning.

Related Terms

Timing Pattern Quiet Zone Dark Module Data Region Version Module Size Contrast Ratio Coordinate System Rounded Modules

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