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Barcode Scanning for Small Shops: What You Actually Need

By Quantum Solutions · 2 min read

Short answer: you do not need special software or an expensive system. A basic USB or Bluetooth scanner types the barcode into any search box, and a phone camera can do the same job. What matters is that every product has a unique code stored in your product list.

Key takeaways

  • Most scanners behave like a keyboard that types a code and presses Enter.
  • Every product needs one unique barcode or SKU saved in your system.
  • Your own labels work for items that come without a barcode.
  • Scanning is for speed and accuracy, so start with your fastest-moving products.

Types of scanner

  • Wired USB scanners are cheap, reliable and need no battery. Good at a fixed counter.
  • Bluetooth or wireless scanners let you scan items on a shelf or a large product without moving it.
  • Phone camera scanning needs no extra hardware and is fine for lower volumes or stock counts.

Which barcodes you will see

Packaged goods usually carry a standard retail barcode (EAN-13 or UPC-A, depending on the region). Those numbers are the same in every shop that stocks the product, so you can store them in your product list and they will scan correctly. Your own labels use a code you choose, which only matters inside your shop.

Setting up scanning at the counter

  1. Add each product with its barcode (or your own SKU) in the product list.
  2. Open the billing screen and click the search box.
  3. Scan the item. The scanner types the code and presses Enter.
  4. If the code matches a product exactly, the item is added to the bill.
  5. Scan again to add more, or change the quantity on the bill.

Items without barcodes

Produce, bulk goods and items you repackage need a different approach: print your own labels with a short code, or sell them by name from the product grid. For loose items sold by weight, set the unit to kilogram (or pound) and enter the quantity.

Common problems

  • Scanner types but nothing is added: the code is not saved on any product. Add or fix the barcode.
  • Wrong product appears: two products share a code. Barcodes must be unique.
  • Scans work in a notepad but not the app: click the search box first so it has focus.

How DukaanAI helps

On the web billing screen, scanning or typing an exact barcode or SKU and pressing Enter adds the item to the bill, and the search box also finds products by name. Stock reduces when you charge the sale. The Android app adds camera scanning. See billing and inventory.

Frequently asked questions

Do I need special software for a USB barcode scanner?

Usually not. Most USB and Bluetooth scanners act like a keyboard: they type the barcode number and press Enter. Any billing screen with a search box that accepts a code can use them.

What can I scan if my products have no barcode?

Create your own codes and print labels, or give each product a short SKU and search by it. Loose items such as produce can be sold by name or by a shelf label.

Can I scan with a phone instead of a scanner?

Yes. A phone camera can read most standard barcodes, which is a low-cost way to start before buying a dedicated scanner.

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