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June 19, 2025

Introducing CyberT: The BlackBerry-Inspired Handheld Raspberry Pi CM4 Computer with Kali Linux Support

 

Designed by Carbon Computers, the CyberT. is a handheld Linux computer modeled after the BlackBerry style, featuring a 4-inch display and built around the Raspberry Pi Compute Module 4 (CM4). It incorporates a QMK-powered QWERTY keyboard, a touchpad styled after BlackBerry devices, HDMI output, a microSD card slot for storage, and stereo speakers, all within a compact design.

Unlike other devices such as Clockwork’s uConsole, which supports swappable modules and boasts a larger display, the CyberT. is specifically aimed at users focused on cybersecurity and portable development. It distinguishes itself from competitors like the RetroLite CM4 and ReBoi, which are designed for retro gaming, by adopting a cyberdeck style and running Kali Linux or other Linux distributions, including Raspberry Pi OS.

CyberT. Beta Specifications:

  • SoM: Raspberry Pi Compute Module 4 (CM4)
  • Storage: MicroSD card slot for the operating system and data.
  • Display:
    • 4-inch 720×720 RGB TFT display (currently utilizing HDMI output due to driver issues).
  • Camera: Compatible with standard Raspberry Pi camera modules.
  • Audio:
    • Integrated stereo speakers
    • 3.5mm headphone jack
    • Built-in microphone
  • Connectivity: Optional, depending on CM4 variant (Wi-Fi, Bluetooth).
  • USB: USB-C port for charging.
  • User Inputs:
    • Backlit QWERTY keyboard (QMK-compatible, fully programmable)
    • BlackBerry-style touch sensor (functions as a touchpad)
    • Power, volume, and reset buttons.
  • Power Supply:
    • Operates at 5V for the CM4
    • Battery powered with an onboard battery management system (BMS)
    • USB-C charging port.
  • Form Factor: Compact handheld, designed in a cyberdeck style through 3D printing.

Currently, the most significant challenge facing the CyberT. is the non-functional built-in RGB display due to difficulties in developing a stable driver for the ST7701S controller. As a temporary solution, the device relies on HDMI output. The CyberT. is still in beta, with plans for a distinct final production version. Users can learn more from the Carbon Computers announcement and even join the Discord community for real-time updates.

Sample units of the CyberT. Beta are available for purchase at $88.97 on the Tindie store. At present, it only supports the Raspberry Pi CM4, and there are issues with power output compatibility concerning the CM5.

For similar innovations, you might also check out the Auspicious Machine.


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