GM77 Barcode and QR Code Scanning Module
Compact scanning module reading 1D (EAN, Code 128, etc.) and 2D (QR, Data Matrix, PDF417, Aztec) codes via TTL-232 or USB (HID/virtual serial); 5 V, 640×480 CMOS, 360° reading angle. Auto-sensing trigger; 48.5×27.5×14 mm form factor.
Start wiring
USB · UART · I2C · 3.3 V · Module
Verify supply voltage and logic levels before powering up.
Cameras
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