EN
GM73 Barcode & QR Code Scanning Module
CODICE MEPA:
0123186136
BRAND:
DFRobot
CODICE PRODUTTORE:
SEN0544
CODICE SKU:
DF-SEN0544
54,46
€
(escl. IVA)
Descrizione completa
Introduction
Enhanced Security: Settings can now be password-protected to prevent unauthorized changes.
Superior Light Tolerance: Adapts to a much wider range of lighting conditions, now supporting 0 to 100,000 Lux.
Advanced Scanning & Data Control: Introduces Host-controlled scanning mode, advanced data editing like character substitution, and flexible configuration for UPC/EAN add-on codes.
Smarter Recognition: Automatically detects and decodes mirrored barcodes without manual setup. It also now supports auto-recognition for Chinese VAT invoices.
Expanded Compatibility: Offers broader multi-language keyboard layouts (including Chinese) and supports Unicode output for more versatile data encoding.
Features
Smart image recognition
Fast capture speed of about 1s
Onboard micro USB and UART for easy integration
Multiple scanning modes: Manual / Continuous / Sensing / Host Mode
Password-protected configuration settings
Excellent light tolerance for various environments
Advanced data editing and flexible add-on code configuration
Multi-language keyboard support
Specification
Image Sensor: 640×480 CMOS
Decoding Speed: ≤1 second
Read Precision (Minimum Bar Width): 6 mil (0.15mm)
Print Contrast: ≥25% (ISO/IEC 15416 compliant)
Scanning Modes: Manual / Continuous / Sensing / Host Mode
Data Editing: Prefix / Suffix / CodeID / Substitution
Security: Password-protected settings (default: 0x86)
1D Barcodes: EAN/UPC, Code 39/93/128, Codabar, etc.
2D Codes: QR, Data Matrix, PDF417, Aztec, Hanxin
Reading Distance:
30-150mm (high contrast)
50-120mm (low contrast/screens)
Scanning Angles:
360° horizontal
±55° pitch/skew
Field of View: 60°(H)×46°(V)
Interfaces: TTL-232 (RS232 compatible), USB 2.0 (Micro-B)
Power: ≤100mA @5V DC
Light Tolerance: 0 - 100,000 Lux
Data Encoding: GBK / UTF-8 / Unicode
Keyboard Layouts: Multi-language (including Chinese)
Temperature:
Operation: -20°C to +50°C
Storage: -40°C to +70°C
Humidity: 5-95% non-condensing
Shipping List
GM73 Barcode & QR Code Scanning Module x1
USB Cable x1
TTL Adapter x1
Applications
Self-service vending machines
Metro gates
Access control systems
Checkout counters
The GM73 code reader module is a high-performance scanner that captures common 1D and 2D codes—like barcodes and QR codes on labels, paper, or screens—with a high speed of about 1 second.
The module delivers superior reading performance by utilizing advanced decoding algorithms based on smart image recognition, allowing it to read all kinds of codes accurately. Users can configure parameters by simply scanning setup codes, which greatly reduces development difficulty. With onboard micro USB and UART, it can be conveniently embedded into various devices.
Version Update (21/7/2025)
This new version of the GM73 module has been significantly upgraded for enhanced performance, security, and flexibility.
30-150mm (high contrast)
50-120mm (low contrast/screens)
360° horizontal
±55° pitch/skew
Operation: -20°C to +50°C
Storage: -40°C to +70°C