# 2D SPARKFUN BARCODE SCANNER

**URL:** <https://community.sparkfun.com/t/2d-sparkfun-barcode-scanner/64112>\
**Category:** Other\
**Created:** [March 21, 2025, 3:08pm UTC](https://community.sparkfun.com/t/2d-sparkfun-barcode-scanner/64112 "2025-03-21T15:08:09Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Pamintuan\_Marc\_Anthony](https://yyz1.discourse-cdn.com/sparkfun/user_avatar/community.sparkfun.com/pamintuan_marc_anthony/32/9060_2.png) [@Pamintuan\_Marc\_Anthony](https://community.sparkfun.com/u/Pamintuan_Marc_Anthony)\
**Post date:** [March 21, 2025, 3:08pm UTC](https://community.sparkfun.com/t/2d-sparkfun-barcode-scanner/64112/1 "2025-03-21T15:08:09Z")

</div>

Hello pls help me with the scanner it only prints scanner did not respond and the code even though i already scan the por232 from the manual.

---

<div class="post-metadata">

**Author:** ![TS-Russell](https://yyz1.discourse-cdn.com/sparkfun/user_avatar/community.sparkfun.com/ts-russell/32/6092_2.png) [@TS-Russell](https://community.sparkfun.com/u/TS-Russell)\
**Post date:** [March 21, 2025, 7:49pm UTC](https://community.sparkfun.com/t/2d-sparkfun-barcode-scanner/64112/2 "2025-03-21T19:49:30Z")

</div>

Did you grab the library? [2D Barcode Scanner Breakout Hookup Guide - SparkFun Learn](https://learn.sparkfun.com/tutorials/2d-barcode-scanner-breakout-hookup-guide/de2120-arduino-library)

There are a few troubleshooting steps here as well [2D Barcode Scanner Breakout Hookup Guide - SparkFun Learn](https://learn.sparkfun.com/tutorials/2d-barcode-scanner-breakout-hookup-guide/tr)

Also make sure the usb cable you’re using passes power AND data