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Discuss Tutorial: 2D Barcode Scanner Breakout Hookup Guide - SparkFun Learn

https://learn.sparkfun.com/tutorials/2d-barcode-scanner-breakout-hookup-guide/discuss

“We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page. When I follow the instructions in this guide to connect the scanner board to the 3.3v power output of an ESP32 devkit v1, the scanner is...” (from the page’s text)

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