Tag: nodedotjs
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Dynamsoft’s Web TWAIN SDK has long been a market leader in web-based document scanning, empowering numerous organizations to develop their own document management systems. The SDK consisted of two main components: a Dynamsoft service for scanner management and a JavaScript library for front-end development. Previously, this service could only be...
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Raspberry Pi is a versatile tool, especially in industrial settings. Imagine transforming it into a barcode scanner using just a camera. This guide is tailored for developers eager to craft Node.js barcode reader apps for IoT gadgets. Dive in to explore the power of Dynamsoft’s barcode SDK for ARM, and...
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Node-RED is a flow-based programming tool built-on Node.js. It provides a browser-based editor that helps users create awesome applications by wiring different nodes. This article shares how to build a barcode QR reading node with Dynamsoft Barcode Reader. Node-RED Installation Install and run Node-RED. Windows npm install -g --unsafe-perm node-red...
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This article aims to build a Node.js module to recognize MRZ from passport, ID card, and travel documents on Windows and Linux. The module is implemented based on Dynamsoft C++ OCR SDK. This article is Part 6 in a 9-Part Series. Part 1 - Passport MRZ Recognition with Dynamsoft C++...
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There are many open source JavaScript barcode and QR code reader libraries, but few of them are suitable for enterprise use. The reason is that they do not have a road map for long-term algorithm updates and maintenance. In addition, the performance of pure JavaScript is not good enough. WebAssembly...
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Last time, I shared an article Document Imaging and Uploading with Dynamic Web TWAIN (DWT) and Node.js, which demonstrated how to deploy a website on the Web server that implemented in node.js with Express. Today, I’ll re-write the sample with Express application generator and the template engine - jade. About...
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A JavaScript barcode SDK can be built in C/C++ for high performance. We can compile C/C++ code to a Node.js addon or WebAssembly. Which one is superior? Let’s try Dynamsoft Barcode Reader SDK to find the answer. What You Should Know Node.js C++ Addon vs. WebAssembly Speed Performance is vital...
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libuv is a cross-platform C library for Node.js asynchronous I/O model. It implements Node.js event loop and uses a thread pool to avoid blocking the Node.js event loop with time-consuming I/O operations. The post shares how to use libuv to optimize Dynamsoft barcode addon for Node.js. Learning Resources Node.js C/C++ Addons...
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If you want to get a Node.js application into a Docker container from scratch, it’s recommended to read the official guide – Dockerizing a Node.js web app. It is useful, but not enough for a complicated case. In this post, I’m going to share what problems I have encountered while...
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Previously, I shared an article How to Make Node Barcode Reader Addon on Linux, which illustrates how to create a node barcode addon by wrapping Dynamsoft Barcode Reader SDK on Linux. Since Node.js was born for developing network programs, let’s take a glimpse of how to create a Web barcode...
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As cloud computing market continues to skyrocket, more and more IT companies tend to release cloud APIs for developers. Most cloud APIs are exposed via REST (Representational state transfer) Web service. In this post, I will illustrate how to create a barcode reader with Node REST Framework Restify and Dynamsoft...
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In this tutorial, I’d like to share how to implement a simple Web application for document imaging and uploading with Dynamic Web TWAIN SDK (DWT) and Node.js. Download and Installation Dynamic Web TWAIN download Node.js download Creating a Web Server with Node.js Run your command line tool to install two...