OpenWrt for Routers

It is no longer uncommon to improve your router with a custom operating system such as OpenWrt. Learn about routers and why you should get started with OpenWrt.

Photo by Stephen Phillips – Hostreviews.co.uk on Unsplash

What is OpenWrt?

OpenWrt is a free, open-source project for creating custom embedded operating systems for routers. It is open source and based on Linux. The primary benefit offered by OpenWrt is the ability to customise routers to the users’ tastes, usually resulting in superior performance to the router’s stock firmware.

For more information, be sure to visit our previous article on OpenWRT, which also includes the steps to build your very own router.

OpenWrt also shares extensive documentation on their website.

What is a Router?

A router is an embedded device that “routes” or directs traffic between devices in a local network and the internet.

Good routers are important to ensure smooth network traffic even under high loads. They also protect the local network from external cyberthreats, and can even host custom functionality such as additional network services.

In IoT applications, we may use a router to establish a local area network or LAN between multiple devices , so that their data can be accessed from a single access point.

Benefits of OpenWrt

OpenWrt is designed by network professionals and incorporates many recent bufferbloat control algorithms to perform routing. This means that apart from stability, OpenWrt offers reduced latency and increased network throughput. OpenWrt also brings improvements to network security, with frequent updates to close vulnerabilities.

In total, OpenWrt offers more than 3000 packages ready to be installed, easily adding functions to the router, including:

  • Blocking advertisements directly on the router
  • Encrypting your internet connection for greater privacy
  • Setting quotas on download volume or bandwidth
  • Creating a guest network to to allow access to internet but not local devices
  • Establishing the router as a central for home automation

Like other Linux operating systems, OpenWrt is extremely configurable, so you can include only what you want for your router.

OpenWrt Projects You Can Try

There are many things that can be done once OpenWrt is installed on your router. Here are our top picks to kick start your custom router adventure!

Build a Multi-Room Synchronous Audio Player with Snapcast and Mopidy

Snapcast is a multi-room client-server audio player extension. With Snapcast, you can use your existing audio player to play perfectly synced audio across different rooms.

Here’s a fun tutorial by misperry on YouTube that you can follow along with!

You can also see the official tutorial to install Snapcast on OpenWrt for more information.

Block Ads with Adguard Home

It’s easy to block advertisements on our computers with a simple browser extension. However, the same can’t be said for our mobile devices, where support from popular adblocking services may be lacking or troublesome to configure. By installing Adguard Home on your router, you’ll enjoy that ad-free experience while on your home network, no matter which device you use!

Visit the tutorial on OpenWrt forums to get started!

Or, Van Tech Corner on YouTube also has an excellent tutorial.

Access Regional Content with OpenVPN

Have you ever wanted to access some content on the internet, only to realise that it isn’t available in your country? Free yourself from client side content filters and internet censorship by configuring OpenVPN on your router. OpenVPN also encrypts your connection to enforce security and privacy.

Find out how with OpenWrt’s OpenVPN tutorial!

For a visual guide, also see these tutorials by Van Tech Corner:

Routers for OpenWrt Projects

With OpenWrt, you can conveniently transform our home network into something far more useful than simply accessing the internet.

Here are two single board computers (SBCs) to get started building your own custom router.

Most Popular – Raspberry Pi 4 Computer Model B 4GB

The popular Raspberry Pi 4 needs no introduction. You will find that many tutorials online will use the Raspberry Pi as it is both affordable and accessible to many people. With great support from the Raspberry Pi Foundation and the community, you can build your OpenWrt projects with ease and confidence!

Best For Power – ODYSSEY – X86J4105800

Typical routers are run on relatively less powerful SoCs (system on chips). With the Odyssey x86, you will enjoy unparalleled power on your router to maintain high, steady, and smooth network traffic to your home network.

Best for IoT Prototyping – MT7628 Development Board

The MT7628 Development Board is co-designed by Seeed Studio and MediaTek to run natively on OpenWrt. With a small form factor and support for high-level programming languages, the MT7628 is a powerful yet affordable platform for IoT prototyping.

In addition, it offers a software development kit with tools and utilities for tasks such as configuring the development board, updating board firmware, and installing software.

Suitable for Power IoT Applications – WRTnode

WRTnode features a high performance CPU that is also low in power consumption. This affordable and tiny development board can run OpenWRT, allowing you to easily port additional open source Linux software.

Conclusion

There are countless benefits and uses of OpenWrt in routers. If you are still unsure about what you might want to do, we recommend you to visit the OpenWrt Community Builds, Projects & Packages page for more ideas!Otherwise, once you are ready to unlock the potential of OpenWrt for your home network, head over to our OpenWrt installation tutorial.

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