Dynamsoft Developer Blog

If you want to build a cross-platform GUI app with Python and Qt, you can either use PyQt or PySide. Both of them are Qt bindings for Python. The main difference is the license: PyQt5 is released under GPL or commercial, whereas PySide2 is released under LGPL. Since PySide2 i ...

I recently purchased a Raspberry Pi 4 (4GB model) and an I2C OLED display module. In this article, I will share how to implement a C/C++ barcode reader project on Raspberry Pi 4 from scratch.Raspberry Pi 4 Specifications Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit ...

LEGO Wedo 2.0 is a good start for learning robotics. I created a simple GUI app controlling the LEGO motor using Python. In this article, I will share my experience in how to select the development environment and how to build the Python app.Learning ResourcesWhen I searched ...

If you want to use Raspberry Pi as an economical way of detecting barcodes, you can take account for Dynamsoft Barcode Reader SDK. As a business software, Dynamsoft Barcode Reader SDK is designed for overcoming a variety of complicated scenarios with sophisticated algorithms ...

Dynamsoft finally released Barcode Reader SDK v5.2 for Raspberry Pi. It is time to make an update. In this post, I will show you how to install the SDK, as well as how to write a simple Raspberry Pi barcode app using C/C++ and Python.InstallationTarballDownload dbr-rpi-5.2.0. ...

For the past week, I was looking for a live streaming solution to broadcast video from a USB webcam that connects to Raspberry Pi. This post will help you set up a live streaming server on Raspberry Pi step by step.Installing FFmpeg on Raspberry PiMy first try was to type in ...

Raspbian is a free operating system based on Debian. It is the recommended operating system for Raspberry Pi. If you do not have a Raspberry Pi, you can experience Raspbian by running the OS image in the emulator - QEMU. In this article, I want to share how to resize the Rasp ...

Raspberry Pi has been widely used in industrial environments. For instance, you can make a barcode scanner with Raspberry Pi and camera. This article will be useful for developers who want to create Node.js barcode reader applications for IoT devices. I will share how to use ...

Dynamic Web TWAIN Linux Edition is a web-based document scanning SDK based on SANE. It consists of a native scanning service, which communicates with the scanner driver, and a JavaScript scanner library. With a few lines of JavaScript code, you can quickly build robust web sc ...

Dynamic Web TWAIN for Raspberry Pi is on Dynamsoft Labs now. No matter whether you are a Dynamic Web TWAIN user or not, if you want to build a document scanning and management system with low cost, you should experience this edition. Build a smart and wireless scanner with a ...

Previously, I wrote an article Raspberry Pi Barcode Scanner with Webcam and Python illustrating how to build a simple barcode scanner using Dynamsoft Barcode Reader SDK and OpenCV from scratch. The method decodeFile() was used for detecting barcodes from an image file. To use ...

For the past few months, I have been learning Raspberry Pi. In this post, I will collect all relevant resources together in order to help readers build barcode applications on Raspberry Pi with Dynamsoft Barcode SDK.What is Raspberry PiWikipedia: The Raspberry Pi is a series ...

Previously, I shared two articles demonstrating how to build a Raspberry Pi barcode scanner in C/C++ with Dynamsoft Barcode Reader SDK, and how to optimize the code with thread. The hardware I used only includes Raspberry Pi 2 and Webcam. Now it is time to have fun with GPIO ...

Although we have successfully ported Dynamsoft Barcode Reader SDK to Raspberry Pi, the performance is not as good as I expected. In my previous article, I demonstrated how to integrate the SDK into a barcode scanner application, in which the detection code works with webcam f ...

Dynamsoft Barcode Reader C++ SDK is available for Windows, Linux, and Mac (iOS and Android editions are coming soon). I have shared an article that illustrates how to build webcam barcode reader in Python. In this tutorial, I’ll use a different C++ API to implement barcode sc ...

Previously, I shared an article describing how to create an online barcode reader using Node.js, which turned Raspberry Pi into a web server. Today, I want to do another experiment – building a  Raspberry Pi barcode scanner with a USB webcam. For taking HD video and photo, yo ...

Node.js is available for all platforms including IoT devices like Raspberry Pi. In this post, I will demonstrate how to quickly create an online barcode reader on Raspberry Pi using Node.js and Dynamsoft Barcode Reader SDK.Node.js for Raspberry PiIf you flashed Rasbian Jessie ...

During Build 2016, Microsoft released a Visual Studio C++ extension for Linux. With the extension, you can use Visual Studio to write C++ code for Linux devices. In this post, let’s take a glimpse of how to install the extension and how to remotely build and debug C/C++ code ...

I have been playing Pi Emulator for a while. It is time to get my hands dirty on the real Pi device. In this post, I would share how to build my first C/C++ barcode reader application on Raspberry Pi.Configure Static IP Address on Raspbian JessieBy default, the Pi system conf ...

If you are still focusing on Windows desktop development, it is time to migrate to IoT and mobile technologies that have a big boost in the near future. In this post, let’s take a glimpse of how to build C/C++ “hello world” program for Raspberry Pi and Android on Windows usin ...

Raspberry Pi 3 has been released for a while. The new RPi device added Bluetooth and Wi-Fi. More and more students and developers tend to study and work using Raspberry Pi, which supported by Windows and Linux. If flashing Windows 10 IoT core on Raspberry Pi, you can build Io ...

Internet of Things (IoT) is the network of devices that embedded with a variety of sensors, network connectivity, and software, which makes physical objects smart, capable of communicating with each other. How to turn things intelligent? We can give physical objects a compute ...