Grow GM802 Series DC3.3V USB/Ttl232 Barcode Scanner 1d/2D Qr Bar Code Reader Description GM802 serial have GM802-S and GM802-L model. The only difference between the GM802-S and GM802-L is the lens. ...View More
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GROW GM802 Series Small DC3.3V Barcode Scanner Module Board USB/TTL232 Interface 1D/2D QR Bar Code Reader PDF417 for Arduino