All Developer Tutorials — Page 34 of 34

Step-by-step guide to building a Vue.js component-based document scanning app using Dynamic Web TWAIN. Covers SDK initialization, viewer binding, scan panel, webcam capture, and OCR integration.

Learn how to build a cross-platform OpenCV webcam app and stream the live feed to any web browser using Python, Node.js, C#, and Go — with a remote access setup via ngrok.

Learn how to scan nonstandard and damaged 1D barcodes with custom start/stop characters using Dynamsoft Barcode Reader in Python. Includes custom JSON templates for Code 39 variants with HeadModuleRatio and TailModuleRatio.

Learn how to use PowerShell to disable and enable a built-in or USB webcam on Windows 10 and Windows 11 using Get-PnpDevice, Disable-PnpDevice, and Enable-PnpDevice cmdlets — plus how to run .ps1 scripts as administrator from a batch file.

Learn how to use Twacker and Virtual Scanner to verify whether a TWAIN device driver is working correctly — before debugging your own application.