this is where I regret not having updated that particular page in a longer time. While the goals remain the same, we have almost finished a complete redesign of the project.
Here are some updates: https://mntre.com/media/news_md/2019-05-20-reintroducing-ref...
In the flesh:
https://mastodon.social/@mntmn/102903623346043604
https://mastodon.social/@mntmn/102872674526072643
https://mastodon.social/@mntmn/102720152037379092
There are many work-in-progress pictures when you go to https://mastodon.social/web/accounts/35156/media
If you prefer Twitter, I also post a lot of updates about the project there (@mntmn).
Updated technical specs:
CPU: NXP/Freescale i.MX8M with 4x ARM Cortex-A53 cores (1.5GHz), 1x Cortex-M4F core
RAM: 4GB LPDDR4 memory
GPU: Vivante GC7000Lite GPU with
Display: Full HD (1920x1080 pixels) 12.5" IPS eDP display. Optional HDMI port
USB: 3x USB 3.0 external, 2x USB 2.0 internal (for input devices)
Networking: Gigabit Ethernet port. Optional miniPCIe WiFi card
Storage: Internal M.2 socket for NVMe SSD. Full size SD Card slot
PCIe: 1 miniPCIe port
Keyboard: Slim Mechanical USB Keyboard with Kailh Choc Brown Switches, FOSS Firmware
Trackball (Option): Reform Optical USB Trackball with 5 Mechanical Switches (Kailh Choc Brown), FOSS Firmware
Trackpad (Option): Reform Capacitive USB Trackpad Enclosure: Modular case from CNC milled, black anodized aluminum 6061 and semi-transparent acrylic (bottom cover, bezel)
Sound: Wolfson ADC/DAC (WM8731), Stereo Speakers, 3.5" headset/microphone jack (no internal microphone) Camera: No camera
Battery: Safe LiFePO4 battery technology. Owner serviceable 8x 18650 cells totalling 12Ah/3.2V. Estimated 5h battery life.
System Controller: NXP LPC11U24 ARM Cortex-M0 chip with FOSS Firmware and hackable expansion port Manual: Printed Operator Manual incl. system schematics and full parts list
Sources: KiCAD sources for motherboard, keyboard, trackball, trackpad, STEP/STL/FreeCAD files for case parts, C sources for all firmware (input devices and system controller), build scripts for boot & system image
OS: Preloaded with Debian GNU/Linux 10, Linux 5.x mainline kernel
Weight: ±1.5kg (TBD)