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GROW GM812 Barcode Scanner

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June 12, 2025
Category Connection: Barcode Scanner Module
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Tags:
#arduino 2d barcode scanner #bar code reader arduino #qr code reader module
Brief: Discover the GROW GM812 Series Barcode Scanner, a high-performance 1D/2D QR barcode reader with USB/UART interface. Perfect for Arduino and Windows, it offers fast scanning speeds and accurate decoding for various barcode types, including PDF417 and QR codes. Choose between GM812-S (5-30cm) and GM812-L (7-50cm) models based on your reading distance needs.
Related Product Features:
  • High-performance 1D/2D barcode scanner with advanced image recognition algorithm.
  • Two models available: GM812-S (5-30cm reading distance) and GM812-L (7-50cm reading distance).
  • Supports a wide range of 1D barcodes including EAN-13, UPC-A, Code 128, and more.
  • Efficiently reads 2D barcodes like QR Code, Data Matrix, and PDF417.
  • Fast scan speed for linear codes, even on paper or screen.
  • Compact and lightweight design with a diameter of 36mm and weight of 26g.
  • Operates on 5V power with low standby current (≤6mA) and quick startup time (≤250ms).
  • Durable construction withstands 1.2m drops on concrete and operates in temperatures from -20ºC to 60ºC.
Faqs:
  • What is the difference between GM812-S and GM812-L models?
    The only difference is the lens. GM812-S has a reading distance of 5-30cm, while GM812-L offers a longer range of 7-50cm.
  • What types of barcodes can the GROW GM812 scanner read?
    It reads 1D barcodes like EAN-13, UPC-A, Code 128, and 2D barcodes including QR Code, Data Matrix, and PDF417.
  • What interfaces does the GROW GM812 support?
    It supports TTL-232 and USB interfaces, making it compatible with Arduino and Windows systems.
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