Pi-Cast KVM: A Portable KVM Built with a Raspberry Pi CM4 Module

Pi-Cast KVM: A Portable KVM Built with a Raspberry Pi CM4 Module

Powered by PYKVM, Pi-Cast KVM is a Raspberry Pi CM4-based KVM (Keyboard, Video, Mouse) solution that enables users to control and manage multiple devices remotely regardless of operating systems.

The device can also control connected devices remotely, through the web browser interface the only requirement is that the HDMI and USB should be connected to the KVM. It also has low-level device access, meaning you can configure the BIOS and UEFI settings even if there is no operating system, you can also power on/off and diagnose the target device only through web browser access.

Pi-Cast offers five different versions, including a base model. The upgraded versions come with one of three expansion modules: the Ethernet/ATX/Console HAT, the USB 3.0 & M.2 B-key module, or the dual-ATX multiport switch. These enhanced versions are housed in a custom enclosure that includes the Pi-Cast KVM board. Furthermore, two additional models combine USB 3.0 & M.2 B-key functionality with the Ethernet/ATX/Console and dual-ATX variants.

The Pi-Cast KVM base model is equipped with the following specifications:

  • Support Board: Compatible with CM4 (and 4B or Zero 2W with an adapter).
  • Supported Resolution: Up to 1920×1080 resolution at 60Hz.
  • Video Input: 1x HDMI input utilizing the MIPI CSI-2 interface on the Raspberry Pi CM4.
  • Video Output: Dual HDMI outputs.
  • Storage: Includes an SD card slot (for CM4 Lite).
  • Networking: USB 3.0 Gigabit Ethernet for high-speed connectivity.
  • USB Ports: USB 2.0 Type-C serves as both client and host, along with a USB Device Emulation Port for keyboards, mice, and mass storage.
  • LED Indicators: Features indicators for CM4 activity, CM4 power, and Ethernet activity.
  • Miscellaneous Features: 40-pin GPIO header, real-time clock, boot button, OLED display, DIP Config Switch, 5V PWM fan connector, and an external antenna mount on the enclosure.
  • Power Supply: Utilizes USB Type-C for efficient power delivery.
  • Dimensions: Compact size measuring 86 x 56 x 15 mm.
  • Weight: To be determined (TBD).

The developers of this KVM made the project completely open-sourced, so the hardware and the software will be available on their GitHub repository. But when writing this article, only the hardware schematic is available in a PDF format.

The base model of the Pi-Cast KVM is priced at $199 with free worldwide shipping. The device will come preassembled with an RPI-CM4 module fan, enclosure, and every other necessary accessory. If you are interested in this project you can find more details about the device on the Crowd Supply page.

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About Debashis Das

Tech Content Creator | Hardware Design Engineer | IoT Enthusiast | Digital Storyteller | Video Creator | From crafting digital dialogues at Semicon Media to orchestrating online engagement at Electronics-lab.com, my journey is about making tech talk interesting and accessible. In the quiet corners of the day, I advocate for easier tech education, one tutorial at a time. Let's connect and keep the digital dialogue going!

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