Micro QR Codes are a compact version of the traditional QR Code, designed to store less information and fit into smaller spaces.

They are characterized by a single position detection pattern, as opposed to the three found in standard QR Codes, which allows them to be significantly smaller.

Despite their reduced size, Micro QR Codes can still encode various types of data, including numeric, alphanumeric, and binary data. Specifically, they can hold up to 35 numeric digits, 21 alphanumeric characters, or 15 bytes of binary data. This makes them suitable for applications that require a small footprint, such as labeling small items like printed circuit boards and electronic components.

The design of a Micro QR Code includes four key elements: data modules, a finder pattern, a timing pattern, and a quiet zone. The data modules are the black and white dots that represent the encoded information. The finder pattern is a distinctive square that helps scanners identify and orient the code. The timing pattern consists of alternating black and white modules that allow the scanner to determine the size and version of the QR Code. Lastly, the quiet zone is a clear margin around the code that helps distinguish it from surrounding images or text.

Micro QR Codes are utilized in various settings, often where space is at a premium. For instance, they are used on business cards to encode contact information, on product packaging for tracking, and on electronic components for identification purposes.

Their small size and the ability to encode a modest amount of information make them a versatile tool for many industries.