GROW GM803 Barcode Scanner Module

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June 13, 2025
Category Connection: Barcode Scanner Module
Brief: Discover the GROW GM803 Series Barcode Scanner Module, a compact and affordable solution for 1D/2D QR and bar code reading. With models GM803-S (5-30cm) and GM803-L (7-50cm), this high-performance scanner offers fast decoding for both paper and screen codes. Ideal for Arduino projects, it features USB/TTL232 interfaces and advanced image recognition algorithms.
Related Product Features:
  • High-performance 1D/2D barcode scanner with fast decoding speed for linear and matrix codes.
  • Available in two models: GM803-S (5-30cm reading distance) and GM803-L (7-50cm reading distance).
  • Supports a wide range of 1D codes (EAN-13, UPC-A, Code 128, etc.) and 2D codes (QRCode, DataMatrix, PDF417).
  • Compact size (26*20mm) and lightweight (2g), making it easy to integrate into various applications.
  • Operates at 3.3V with low power consumption (70mA max operating current, ≤6mA standby current).
  • Durable design withstands 1.2m drops on concrete floor and operates in temperatures from -20ºC to 60ºC.
  • Features TTL-232/USB interfaces for seamless connectivity with Arduino and other devices.
  • Includes buzzer and LED indicators for successful read prompts, enhancing user experience.
Faqs:
  • What is the difference between GM803-S and GM803-L models?
    The only difference is the lens. GM803-S has a reading distance of 5-30cm, while GM803-L offers a longer range of 7-50cm.
  • Can the GM803 scanner read codes from screens as well as paper?
    Yes, the GM803 series can read barcodes and QR codes from both paper and screens with high accuracy and speed.
  • What interfaces does the GM803 barcode scanner support?
    The GM803 supports both TTL-232 and USB interfaces, making it compatible with Arduino and other devices requiring these connections.
  • What is the operating voltage and power consumption of the GM803 scanner?
    The GM803 operates at 3.3V with a maximum operating current of 70mA and a standby current of ≤6mA, ensuring low power consumption.
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