QR code recognition module 3xaa DC-DC Adjustable Buck Converter Module

DC-DC Adjustable Buck Converter Module LM2596S Converting high to low voltage is just as straight-on with this buck converter

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QR code recognition module 3xaa DC-DC Adjustable Buck Converter ModuleThe GM65 QR Code Scanning Recognition Module is a compact scanner module for reading QR codes and barcodes in embedded projects. It is useful for access control, self service machines, inventory systems, ticket scanners, and other code reading applications. It uses a white light source with red light aiming for easier scanning. The module supports wide reading angles, making it easier to scan codes from different positions. Features: Model: GM65