Gravity: Ring 2D QR Code Scanner
Compact barcode scanner supporting 1D (Code128, EAN13, etc.) and 2D (QR, Data Matrix, PDF417) codes via UART or I2C, 3.3/5V supply. Depth of field 25–150mm for QR codes.
Start wiring
USB · UART · I2C · 3.3 V · Module
Confirm the data interface matches your host board.
Cameras
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