SEGGER introduces emWeb portable web server

SEGGER's emWeb web server is an easy way to provide a browser interface to any kind of device, service or software module. Written entirely in C, it easily integrates into any existing application on embedded devices, tablets / cell phones or host computers running Windows, Linux or macOS. The advantages of this approach are clear: the device or application can be monitored and controlled in real time from any other device using a browser, no application needs to be provided to the end customer, engineering efforts can be kept to a minimum.

emWeb makes use of HTTP, a widely established standard, as the underlying base for the user interface. This makes it very portable and accessible. The only requirement is a browser, no drivers are needed to support access on any operating system. The user interface can be scaled depending on resources and requirements from traditional basic HTML to sophisticated modern interfaces using Javascript, Ajax, SSE, Websockets and more.

Even devices without traditional interfaces, such as Ethernet or WiFi are able to make use of the universal user interface provided by emWeb. With IP-over-USB technology, SEGGER provides a state-of-the-art solution for USB devices to be configured, accessed, and monitored through a universal browser UI. Design only a single UI that will work on any end user device.

emWeb has a very small memory footprint, which also makes it an ideal fit to be used in embedded devices, even resource constrained single-chip, microcontroller based devices. SEGGER uses this technology in many of its own products, such as the J-Link, the J-Link PC software, the Flasher and Flasher ATE products.


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