product detail
YHD-M816DG High Precision 2D Barcode Scanner Module
YHD-M816DG mini barcode scan module measures only 21.6*13*12 mm for easy embedding into compact devices. Plug‑and‑play and driver‑free, it features 800×600 CMOS sensor with fast decoding. Multiple interfaces including TTL, RS232, USB and Micro‑USB are offered. It supports multi‑language output, complete SDK for secondary development and project customization. Widely used for kiosks, lockers, vending machines, access control, logistics, medical and factory assembly applications.
【High-Definition & Ultra-Fast Decoding Performance】--Built with a high-performance CMOS image sensor with 800 (H) × 600 (V) pixel resolution, YHD-M816DG barcode scanner module delivers ultra-fast decoding speed and outstanding recognition efficiency. It ensures stable, accurate and high-speed barcode identification in high-frequency scanning scenarios, effectively improving equipment operation efficiency.
【Easy Embedded Integration】--With an extremely compact structure, YHD-M816DG barcode scanner module can be easily fixed and embedded into all kinds of miniature equipment. It perfectly adapts to space-limited device designs, effectively optimizing the internal structural layout of terminal products without occupying extra installation space.
【Diversified Multi-Interface Compatibility】--Equipped with multiple mainstream output interfaces including TTL, RS232, USB and Micro USB, YHD-M816DG barcode scanner module covers diverse equipment connection and data transmission demands. The rich interface configuration flexibly matches different hardware architectures and terminal equipment, realizing highly compatible system integration.
【Wide Application Scenarios】--YHD-M816DG scanning module is widely applicable for parcel lockers, supermarket storage lockers, ticket machines, self-service vending machines, intelligent express cabinets, self-service kiosks, access control devices, unmanned self-service stores, check-in terminals, bank counter equipment, factory assembly lines, logistics sorting systems, hospital medical terminals, PDAs and other smart embedded devices.







Product Specification
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Product Specification |
YHD-M816DG 2D CMOS Barcode Scanner Module |
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Imaging Sensor |
CMOS |
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Optical Source |
(Aim) green LED, (Illumination)white LED |
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Trigger Mode |
Manual trigger , Auto-Continuous , Auto-Induction |
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Indication |
Buzzer & LED |
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Resolution Ratio |
800×600 CMOS |
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Decoding Speed |
500times/second |
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Interface |
RS232,USB,TTL,Micro USB |
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Resolution |
≥3.3mil |
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Minimum Contrast |
≥20% |
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Decoding Capability |
1D: UPC/EAN,with complementary UPC/EAN,Code128,Code39, Code 39Full ASCII,Coda bar,industrial /Interleaved 2 of 5 Code93,MSI,Code11,ISBN,ISSN,China post,GS1 Databar,Expanded,Plessey,etc. 2D: QR Code、Micro QR、Data Matrix、PDF417、Aztec、Maxicode、etc. |
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Depth of field |
40-360mm Code 128(13MIL) 45-365mm EAN-13 (13MIL) 45-135mm Code 39(5MIL) 40-165mm Data Matrix(10MIL) 50-165mm PDF417(6.67MIL) 20-240mm QR Code(15MIL) |
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Scan Angle |
Roll 360°, Pitch± 55°, Skew ±55° |
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Field of View |
36°(H) X27°(V) |
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Current |
DC 3.3V Working :150mA Stand-by : 70mA |
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Working Voltage |
3.3 V ± 10% |
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Storage Temperature |
-40°C ~ 80°C / -40°to 176°F |
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Working Temperature |
-20°C ~ 60°C / -4°to 140°F |
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Relative Humidity |
5 ~ 95% |
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Weight |
2g (scanner without cable and development board) |
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65g(scanner with cable and with development board) |
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Dimensions |
21.6*13*12 mm (scanner without development board) |
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47*35*15 mm (scanner with development board) |
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Drop test |
1.5m fall to concrete |




