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DIY Pi KVM: An easy and cheap KVM over IP for Raspberry Pi

tagsHdmi Over Coaxial

News, tutorials, comments and operating methods related to embedded Linux and Android, Raspberry Pi, Arduino, ESP8266, development board, SBC, TV box, mini PC, etc.

A traditional IP-KVM system may cost you hundreds of dollars. The IP-based DIY Pi KVM is a very simple and fully functional Raspberry Pi-based IP KVM, you can make it yourself. If you don't know what IP-KVM is, it stands for keyboard, video and mouse. It allows you to connect to a computer or server remotely. In this way, you can solve problems such as configuring the BIOS or reinstalling the OS using a virtual CD-ROM or flash drive.

You can see the v2 example implementation in the image above. Pi-KVM v0 and v2 are ready-made images that can be downloaded from Raspberry Pi. You can go to "

"Section (applicable to Raspberry Pi's v0 and v2 platforms). In the image below, you can see the B101 HDMI to CSI bridge connected to the Raspberry Pi.

The team is working hard to launch the v3 board, which is currently available for pre-order.

You need a Raspberry Pi board, MicroSD card, USB-A 3A charger, video capture device and some optional components. There are two versions of Pi-KVM images

: One is for CSI bridge, the other is for HDMI to USB dongle. v2 is the most modern implementation of Raspberry Pi 4 and Zero W, supporting all the functions of Pi-KVM, including mass storage drives. If you are using Raspberry 2 or 3, look for a v0 image that does not have OTG and requires more components for basic implementation. You will find the complete project in the following location

.

The price of parts for DIY Pi KVM over IP is only between $30 and $100, depending on the features required. Even the most expensive configuration is cheaper than the $500 commercial IP-KVM. The team is currently developing its own HAT for v3 firmware. The HAT will have more features, including onboard ATX power control.

You can use boards other than Raspberry Pi, but you must prepare the operating system yourself. For Pi-KVM software, you will need to replace some configuration files (such as UDEV rules). Now you can book

Abhishek Jadhav is an engineering student, RISC-V ambassador, free technical writer, and leader of the open hardware developer community.

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