Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few ...

Use Your Smartphone or Tablet as a Secondary Monitor on Windows Multitasking is pretty easy on Windows, but it gets even better when you have a secondary display to split up your tasks even better.

You can take an old Android tablet and use it as a monitor, and it's surprisingly easy.

spacedesk is a free app that lets you use an Android tablet as a second display for your Windows PC. Learn how to set up and use it.

While you can connect a Raspberry Pi to a full-sized monitor, if you feel like packing light, you might try setting up your iPhone as the Pi's display.

We show you how to configure your Samsung phone or tablet to run like a desktop PC on your monitor or TV, complete with a mouse and keyboard.

Dell’s new P2424HT 24 Touch USB-C Hub Monitor is a 23.8-inch 1080p monitor that can transform into a touchscreen tablet thanks to its articulating stand. Also Ethernet.

A feature in iPadOS 17 enables iPads to work with USB-C capture cards. Here's how to use the feature to make your large-screen iPad work as an external monitor for your Nintendo Switch.