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How A QR Code Scanning Sensor Works - GM77 Barcode and QR Code Scanning Module - 15m/min

This video introduces DFRobot's GM77 QR Code Scanning Sensor, explaining how it works—it reads barcodes and QR codes at 15m/min, features a small size, high-efficiency recognition, a 0.3MP camera with auxiliary lights, and supports TTL-232 and USB.

8/5/2025 1:34:46 PM

Part List

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SENSOR SCANNING MOD TTL232/USBSEN0512SENSOR SCANNING MOD TTL232/USB28 - 立即发货$77.88查看详情