The GROW GM78 1D 2D Barcode Scanner Module is a high-performance, compact scanning solution capable of reading both 1D and 2D barcodes with speed and accuracy. Featuring a 640×480 CMOS sensor and advanced image recognition decoding algorithms, it easily scans codes from labels, screens, and paper even under different lighting and temperature conditions. Compatible with USB and UART interfaces, the GM78 is designed for seamless integration into a wide range of applications requiring reliable barcode data capture.
Features:
- Supports 1D and 2D barcode scanning: EAN, UPC, Code 39, Code 128, QR Code, Data Matrix, PDF417, Aztec, Micro QR, and more
- High-resolution scanning with 4mil accuracy
- USB 2.0 and UART interface compatibility for flexible connectivity
- White LED lighting for clear scanning in various ambient light conditions
- Wide scanning angle with 360° intersection angle and ±55° elevation/deflection angles
- High-speed recognition and data upload (up to 9600 bps)
- Buzzer for scan success/failure indication
- Programmable options including macros, preambles, and postambles
- Stable operation across a broad temperature range (-20℃ to +50℃)
- Compact and lightweight design (48 x 27.5 x 14 mm)
Specifications:
- Scan Mode: 640×480 CMOS sensor
- Operating Voltage: DC 5V
- Operating Current: 180mA
- Standby Current: USB: 50mA; TTL: 10mA
- Resolution: 4mil
- Scanning Angle: 360° intersection angle; ±55° elevation and deflection
- Viewing Angle: Horizontal 47°, Vertical 36°
- Depth of Field:
- EAN-13: 50mm-200mm (13 mil)
- Code 39: 40mm-90mm (5 mil)
- QR Code: 25mm-200mm (20 mil)
- Data Matrix: 50mm-90mm (10 mil)
- PDF417: 30mm-130mm (6.67 mil)
- Environmental Light: 0-100,000 LUX
- Operating Temperature: -20℃ to +50℃
- Storage Temperature: -40℃ to +70℃
- Operating Humidity: 5%-95% (non-condensing)
- Dimensions: 48(W) x 27.5(D) x 14(H) mm
- Interface: USB (HID-KBW, Virtual Serial Port), TTL-232 UART
Applications:
- Retail and point of sale barcode scanning
- Inventory management systems
- Warehouse and logistics operations
- Mobile and fixed device barcode capture
- Access control and ticketing
- Manufacturing and production line tracking
- Medical and pharmaceutical product identification
Package Includes:
- 1 x GROW GM78 Barcode Scanner Module
- 1 x 15cm 6-Pin Serial Cable (for UART connection)
Useful Link:

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