Some resources to help you getting started with STM32 programming.
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QR code barcode recognition module scan code module serial communication UART interface embedded
Information baby description network disk download: https://pan.baidu.com/s/1_5p-GmywNsYBOQpZ2LWt4Q Extraction code: mmab
MH-ET LIVE Scanner v3.0 is a barcode and two-dimensional code scanning recognition module. It adopts a professional image processing chip for barcode recognition, which can quickly and accurately read under the high performance of fast and stable reading in complex environments. Take one-dimensional code and two-dimensional code on the carrier of paper, screen, plastic, etc. . Compact, onboard USB and UART interface, you can connect directly to your computer or integrate into a variety of devices. The product features low power consumption and low heat. Quick start, cold start and warm start can keep up the rapid start, no need to wait, it is ready to open.
Simple operation, no need to understand complex image recognition algorithms
Support for reading common-purpose one-dimensional codes and two-dimensional codes such as Barcode and QR
Onboard micro USB and UART serial port for access to a computer or embedded device
Onboard auxiliary light source for reading in a completely dark environment
Support for setting module parameters by scanning the setup code (see the specification for details)
Type of barcode / QR code reading:
Read barcode type ( 1D): UPC/EAN, UPC/EAN with supplementals, BooklandEAN, ISSN, UCC Coupon Extended Code, Code 128, GS1-128, ISBT 128, Code 39, Code 39 Full ASCII, Trioptic Code 39, Code 32, Code 93, Code 11, Matrix 2 of 5, Interleaved 2 of 5, Discrete 2 of 5, Codabar, MSI, Chinese 2 of 5, GS1 DataBar variants, Korean 3 of 5, ISBT Concat
Read the QR code type ( 2D): QR Code, PDF417, Data Matrix