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Lancer is the codename of our EPD laptop prototype.


The specification listed are preliminary and subject to change.

  • SoC: Amlogic S922X (4x Cortex-A73 @ 2.2 GHz + 2x Cortex-A53 @ 2.0 GHz)
  • RAM: 4GB DDR4 32bit
  • SSD: User-replaceable M.2 SSD
  • Network: 802.11n + BT4.0
  • Screen: 13.3" 1600x1200 E-paper display via Caster EPDC (over MIPI DSI)
  • Battery: Compatible with T4x battery
  • Ports:
    • USB 2.0 Type-A Host x2
    • USB 2.0 Micro-B Device
    • USB Serial (Micro-B)
    • 10/100Mbps Ethernet
    • 3.5 mm Headphone Jack
    • 3.5 mm Line-In Jack
    • HDMI Output


The hardware design is released under the CERN Open Source Hardware License strongly-reciprocal variant, CERN-OHL-S. A copy of the license is provided in the source repository. Additionally, user guide of the license is provided on


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