The QR/1D/2D/CodeScanner V3.0 is a scanner module for barcode recognition. Key features - Interfaces: UART serial interface for integration with microcontrollers and embedded systems; USB interface for easy plug-and-play connection. - Input options: Keyboard input support for triggering actions or entering data. - Recognition capability: Accurately detects QR codes, 1D barcodes, and 2D barcodes in a variety of lighting and layout conditions. - Integration and compatibility: Designed for embedding into POS terminals, kiosks, handheld devices, and other custom systems; supports common development platforms via UART or USB. - Design and performance: Built as a reliable, embeddable module suitable for applications requiring stable barcode decoding. Use scenarios - Retail point-of-sale: scan product barcodes and QR-based promotions at checkout for fast and accurate transactions. - Warehouse and inventory management: add scanned items to inventory, perform quick stock checks, and improve item tracking. - Kiosks, tickets, and events: scan QR tickets or passes for attendee verification and streamlined entry. This module stays consistent with the original model QR/1D/2D/CodeScanner V3.0, delivering straightforward connectivity, versatile input, and dependable barcode decoding across QR, 1D, and 2D formats.